| Line | 
           Label | 
           Object Class | 
           Period Type | 
           Balance | 
           Report ElementName | 
        
        
           | 1 | 
           152200 - Statement - Statement of Cash Flows | 
           [Network] | 
           *  | 
           *  | 
           http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | 
        
        
           | 2 | 
           Statement of Cash Flows [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:StatementOfCashFlowsAbstract | 
        
        
           | 3 | 
           Statement [Table] | 
           Table  | 
            | 
            | 
           us-gaap:StatementTable | 
        
        
           | 4 | 
           Scenario [Axis] | 
           Axis  | 
            | 
            | 
           us-gaap:StatementScenarioAxis | 
        
        
           | 5 | 
           Scenario, Unspecified [Domain] | 
           Member  | 
            | 
            | 
           us-gaap:ScenarioUnspecifiedDomain | 
        
        
           | 6 | 
           Scenario, Previously Reported [Member] | 
           Member  | 
            | 
            | 
           us-gaap:ScenarioPreviouslyReportedMember | 
        
        
           | 7 | 
           Restatement Adjustment [Member] | 
           Member  | 
            | 
            | 
           us-gaap:RestatementAdjustmentMember | 
        
        
           | 8 | 
           Statement [Line Items] | 
           LineItems  | 
            | 
            | 
           us-gaap:StatementLineItems | 
        
        
           | 9 | 
           Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract | 
        
        
           | 10 | 
           Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffectAbstract | 
        
        
           | 11 | 
           Net Cash Provided by (Used in) Operating Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract | 
        
        
           | 12 | 
           Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract | 
        
        
           | 13 | 
           Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetIncomeLossAttributableToReportingEntityAbstract | 
        
        
           | 14 | 
           Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest | 
        
        
           | 15 | 
           Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems | 
        
        
           | 16 | 
           Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:ProfitLoss | 
        
        
           | 17 | 
           Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract | 
        
        
           | 18 | 
           Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax | 
        
        
           | 19 | 
           Discontinued Operation, Tax Effect of Discontinued Operation | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation | 
        
        
           | 20 | 
           Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax | 
        
        
           | 21 | 
           Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract | 
        
        
           | 22 | 
           Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract | 
        
        
           | 23 | 
           Depreciation, Depletion and Amortization [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:DepreciationAndAmortizationAbstract | 
        
        
           | 24 | 
           Depreciation [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:DepreciationAbstract | 
        
        
           | 25 | 
           Cost of Goods Sold, Depreciation | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CostOfGoodsSoldDepreciation | 
        
        
           | 26 | 
           Cost of Services, Depreciation | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CostOfServicesDepreciation | 
        
        
           | 27 | 
           Depreciation, Nonproduction | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DepreciationNonproduction | 
        
        
           | 28 | 
           Depreciation, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:Depreciation | 
        
        
           | 29 | 
           Amortization [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:AdjustmentForAmortizationAbstract | 
        
        
           | 30 | 
           Cost of Goods Sold, Amortization | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CostOfGoodsSoldAmortization | 
        
        
           | 31 | 
           Cost of Services, Amortization | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CostOfServicesAmortization | 
        
        
           | 32 | 
           Amortization of Intangible Assets | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfIntangibleAssets | 
        
        
           | 33 | 
           Amortization of Acquisition Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfAcquisitionCosts | 
        
        
           | 34 | 
           Amortization of Deferred Sales Commissions | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfDeferredSalesCommissions | 
        
        
           | 35 | 
           Amortization of Leased Asset | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfLeasedAsset | 
        
        
           | 36 | 
           Amortization of Deferred Leasing Fees | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfDeferredLeasingFees | 
        
        
           | 37 | 
           Amortization of Power Contracts Emission Credits | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfPowerContractsEmissionCredits | 
        
        
           | 38 | 
           Amortization of Nuclear Fuel Lease | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfNuclearFuelLease | 
        
        
           | 39 | 
           Amortization of Regulatory Asset | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfRegulatoryAsset | 
        
        
           | 40 | 
           Amortization of Advance Royalty | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfAdvanceRoyalty | 
        
        
           | 41 | 
           Amortization of Deferred Property Taxes | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfDeferredPropertyTaxes | 
        
        
           | 42 | 
           Amortization of Rate Deferral | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfRateDeferral | 
        
        
           | 43 | 
           Amortization of Deferred Hedge Gains | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfDeferredHedgeGains | 
        
        
           | 44 | 
           Amortization and Depreciation of Decontaminating and Decommissioning Assets | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationAndDepreciationOfDecontaminatingAndDecommissioningAssets | 
        
        
           | 45 | 
           Amortization of Other Deferred Charges | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherAmortizationOfDeferredCharges | 
        
        
           | 46 | 
           Amortization of Debt Issuance Costs and Discounts [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:AmortizationOfFinancingCostsAndDiscountsAbstract | 
        
        
           | 47 | 
           Amortization of Debt Discount (Premium) | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfDebtDiscountPremium | 
        
        
           | 48 | 
           Amortization of Debt Issuance Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfFinancingCosts | 
        
        
           | 49 | 
           Amortization of Debt Issuance Costs and Discounts, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AmortizationOfFinancingCostsAndDiscounts | 
        
        
           | 50 | 
           Amortization, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AdjustmentForAmortization | 
        
        
           | 51 | 
           Other Depreciation and Amortization | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherDepreciationAndAmortization | 
        
        
           | 52 | 
           Depletion [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:DepletionAbstract | 
        
        
           | 53 | 
           Cost of Goods Sold, Depletion | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CostOfGoodsSoldDepletion | 
        
        
           | 54 | 
           Depletion of Oil and Gas Properties | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DepletionOfOilAndGasProperties | 
        
        
           | 55 | 
           Depletion, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:Depletion | 
        
        
           | 56 | 
           Depreciation, Depletion and Amortization, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DepreciationDepletionAndAmortization | 
        
        
           | 57 | 
           Accretion Expense, Including Asset Retirement Obligations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:AccretionExpenseIncludingAssetRetirementObligationsAbstract | 
        
        
           | 58 | 
           Asset Retirement Obligation, Accretion Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AssetRetirementObligationAccretionExpense | 
        
        
           | 59 | 
           Accretion Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AccretionExpense | 
        
        
           | 60 | 
           Accretion Expense, Including Asset Retirement Obligations, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AccretionExpenseIncludingAssetRetirementObligations | 
        
        
           | 61 | 
           Paid-in-Kind Interest | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:PaidInKindInterest | 
        
        
           | 62 | 
           Recognition of Deferred Revenue | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RecognitionOfDeferredRevenue | 
        
        
           | 63 | 
           Provision for Doubtful Accounts | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProvisionForDoubtfulAccounts | 
        
        
           | 64 | 
           Product Warranty Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProductWarrantyExpense | 
        
        
           | 65 | 
           Inventory Write-down | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:InventoryWriteDown | 
        
        
           | 66 | 
           Inventory, LIFO Reserve, Effect on Income, Net [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:InventoryLIFOReserveEffectOnIncomeNetAbstract | 
        
        
           | 67 | 
           Inventory, LIFO Reserve, Period Charge | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:InventoryLIFOReservePeriodCharge | 
        
        
           | 68 | 
           Effect of LIFO Inventory Liquidation on Income | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:EffectOfLIFOInventoryLiquidationOnIncome | 
        
        
           | 69 | 
           Inventory, LIFO Reserve, Effect on Income, Net, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:InventoryLIFOReserveEffectOnIncomeNet | 
        
        
           | 70 | 
           Provision for Loan, Lease, and Other Losses [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProvisionForLoanLeaseAndOtherLossesAbstract | 
        
        
           | 71 | 
           Provision for Loan and Lease Losses | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProvisionForLoanAndLeaseLosses | 
        
        
           | 72 | 
           Provision for Other Credit Losses | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProvisionForOtherCreditLosses | 
        
        
           | 73 | 
           Provision for Other Losses | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProvisionForOtherLosses | 
        
        
           | 74 | 
           Provision for Loan, Lease, and Other Losses, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProvisionForLoanLeaseAndOtherLosses | 
        
        
           | 75 | 
           Employee Benefits and Share-based Compensation, Noncash [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:EmployeeBenefitsAndShareBasedCompensationAbstract | 
        
        
           | 76 | 
           Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncashAbstract | 
        
        
           | 77 | 
           Pension Expense (Reversal of Expense), Noncash | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:PensionExpenseReversalOfExpenseNoncash | 
        
        
           | 78 | 
           Other Postretirement Benefits Expense (Reversal of Expense), Noncash | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherPostretirementBenefitsExpenseReversalOfExpenseNoncash | 
        
        
           | 79 | 
           Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash | 
        
        
           | 80 | 
           Share-based Compensation [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ShareBasedCompensationAbstract | 
        
        
           | 81 | 
           Stock or Unit Option Plan Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:StockOptionPlanExpense | 
        
        
           | 82 | 
           Restricted Stock or Unit Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:RestrictedStockExpense | 
        
        
           | 83 | 
           Share-based Compensation, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ShareBasedCompensation | 
        
        
           | 84 | 
           Employee Benefits and Share-based Compensation, Noncash, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EmployeeBenefitsAndShareBasedCompensationNoncash | 
        
        
           | 85 | 
           Excess Tax Benefit from Share-based Compensation, Operating Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | 
        
        
           | 86 | 
           Issuance of Stock and Warrants for Services or Claims | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IssuanceOfStockAndWarrantsForServicesOrClaims | 
        
        
           | 87 | 
           Adjustment of Warrants Granted for Services | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AdjustmentOfWarrantsGrantedForServices | 
        
        
           | 88 | 
           Fair Value Adjustment of Warrants | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:FairValueAdjustmentOfWarrants | 
        
        
           | 89 | 
           Research and Development in Process | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ResearchAndDevelopmentInProcess | 
        
        
           | 90 | 
           Noncash Merger Related Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NoncashMergerRelatedCosts | 
        
        
           | 91 | 
           Recapitalization Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:RecapitalizationCosts | 
        
        
           | 92 | 
           Foreign Currency Transaction Gain (Loss), before Tax [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ForeignCurrencyTransactionGainLossBeforeTaxAbstract | 
        
        
           | 93 | 
           Foreign Currency Transaction Gain, before Tax | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:ForeignCurrencyTransactionGainBeforeTax | 
        
        
           | 94 | 
           Foreign Currency Transaction Loss, before Tax | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ForeignCurrencyTransactionLossBeforeTax | 
        
        
           | 95 | 
           Foreign Currency Transaction Gain (Loss), before Tax, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:ForeignCurrencyTransactionGainLossBeforeTax | 
        
        
           | 96 | 
           Restructuring Costs and Asset Impairment Charges [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract | 
        
        
           | 97 | 
           Restructuring Costs [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RestructuringCostsAbstract | 
        
        
           | 98 | 
           Restructuring Charges [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RestructuringChargesAbstract | 
        
        
           | 99 | 
           Business Exit Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:BusinessExitCosts1 | 
        
        
           | 100 | 
           Severance Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:SeveranceCosts1 | 
        
        
           | 101 | 
           Other Restructuring Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherRestructuringCosts | 
        
        
           | 102 | 
           Restructuring Charges, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:RestructuringCharges | 
        
        
           | 103 | 
           Payments for Restructuring | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRestructuring | 
        
        
           | 104 | 
           Restructuring Costs, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:RestructuringCosts | 
        
        
           | 105 | 
           Asset Impairment Charges [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:AssetImpairmentChargesAbstract | 
        
        
           | 106 | 
           Impairment of Long-Lived Assets to be Disposed of | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf | 
        
        
           | 107 | 
           Impairment of Long-Lived Assets Held-for-use | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfLongLivedAssetsHeldForUse | 
        
        
           | 108 | 
           Impairment of Intangible Assets, Finite-lived | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfIntangibleAssetsFinitelived | 
        
        
           | 109 | 
           Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 
        
        
           | 110 | 
           Goodwill, Impairment Loss | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:GoodwillImpairmentLoss | 
        
        
           | 111 | 
           Impairment of Oil and Gas Properties | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfOilAndGasProperties | 
        
        
           | 112 | 
           Exploration Abandonment and Impairment Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ExplorationAbandonmentAndImpairmentExpense | 
        
        
           | 113 | 
           Impairment of Retained Interest | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfRetainedInterest | 
        
        
           | 114 | 
           Impairment of Real Estate | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfRealEstate | 
        
        
           | 115 | 
           Impairment Losses Related to Real Estate Partnerships | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships | 
        
        
           | 116 | 
           Impairment of Ongoing Project | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfOngoingProject | 
        
        
           | 117 | 
           Impairment of Leasehold | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ImpairmentOfLeasehold | 
        
        
           | 118 | 
           Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown | 
        
        
           | 119 | 
           Other Asset Impairment Charges | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherAssetImpairmentCharges | 
        
        
           | 120 | 
           Asset Impairment Charges, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AssetImpairmentCharges | 
        
        
           | 121 | 
           Restructuring Costs and Asset Impairment Charges, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:RestructuringCostsAndAssetImpairmentCharges | 
        
        
           | 122 | 
           Noncash Project Abandonment Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NoncashProjectAbandonmentCosts | 
        
        
           | 123 | 
           Environmental Expense and Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:EnvironmentalExpenseAndLiabilitiesAbstract | 
        
        
           | 124 | 
           Environmental Remediation Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EnvironmentalRemediationExpense | 
        
        
           | 125 | 
           Payments for Environmental Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForEnvironmentalLiabilities | 
        
        
           | 126 | 
           Other Increase (Decrease) in Environmental Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherIncreaseDecreaseInEnvironmentalLiabilities | 
        
        
           | 127 | 
           Environmental Expense and Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EnvironmentalExpenseAndLiabilities | 
        
        
           | 128 | 
           Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal | 
        
        
           | 129 | 
           Gain (Loss) on Sale of Project | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfProject | 
        
        
           | 130 | 
           Gain (Loss) on Disposition of Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:GainLossOnDispositionOfAssetsAbstract | 
        
        
           | 131 | 
           Gain (Loss) on Disposition of Property Plant Equipment [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:GainLossOnSaleOfPropertyPlantEquipmentAbstract | 
        
        
           | 132 | 
           Gain (Loss) on Disposition of Oil and Gas and Timber Property | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfProperty | 
        
        
           | 133 | 
           Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnDispositionOfAssets | 
        
        
           | 134 | 
           Gain (Loss) on Disposition of Property Plant Equipment, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfPropertyPlantEquipment | 
        
        
           | 135 | 
           Gain (Loss) on Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:GainLossOnInvestmentsAbstract | 
        
        
           | 136 | 
           Gain (Loss) on Sale of Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:GainLossOnSaleOfInvestmentsAbstract | 
        
        
           | 137 | 
           Gain (Loss) on Sale of Equity Investments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfEquityInvestments | 
        
        
           | 138 | 
           Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:GainOrLossOnSaleOfStockInSubsidiaryOrEquityMethodInvesteeAbstract | 
        
        
           | 139 | 
           Equity Method Investment, Realized Gain (Loss) on Disposal | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposal | 
        
        
           | 140 | 
           Gain (Loss) on Disposition of Stock in Subsidiary | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainOrLossOnSaleOfStockInSubsidiary | 
        
        
           | 141 | 
           Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee | 
        
        
           | 142 | 
           Gain (Loss) on Sale of Debt Investments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfDebtInvestments | 
        
        
           | 143 | 
           Gain (Loss) on Sale of Properties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfProperties | 
        
        
           | 144 | 
           Gain (Loss) on Sale of Derivatives | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfDerivatives | 
        
        
           | 145 | 
           Gain (Loss) on Sale of Commodity Contracts | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfCommodityContracts | 
        
        
           | 146 | 
           Gain (Loss) on Sale of Other Investments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfOtherInvestments | 
        
        
           | 147 | 
           Gain (Loss) on Sale of Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfInvestments | 
        
        
           | 148 | 
           Unrealized Gain (Loss) on Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:UnrealizedGainLossOnInvestmentsAbstract | 
        
        
           | 149 | 
           Unrealized Gain (Loss) on Securities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:UnrealizedGainLossOnSecurities | 
        
        
           | 150 | 
           Unrealized Gain (Loss) on Derivatives and Commodity Contracts | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts | 
        
        
           | 151 | 
           Unrealized Gain (Loss) on Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:UnrealizedGainLossOnInvestments | 
        
        
           | 152 | 
           Gain (Loss) on Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnInvestments | 
        
        
           | 153 | 
           Gain (Loss) on Disposition of Intangible Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnDispositionOfIntangibleAssets | 
        
        
           | 154 | 
           Gain (Loss) on Disposition of Business | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfBusiness | 
        
        
           | 155 | 
           Gain (Loss) on Disposition of Other Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfOtherAssets | 
        
        
           | 156 | 
           Gain (Loss) on Disposition of Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnDispositionOfAssets1 | 
        
        
           | 157 | 
           Gain (Loss) on Sales of Loans, Net | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSalesOfLoansNet | 
        
        
           | 158 | 
           Public Utilities, Allowance for Funds Used During Construction, Additions | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions | 
        
        
           | 159 | 
           Gain (Loss) on Investments, Excluding Other than Temporary Impairments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairmentsAbstract | 
        
        
           | 160 | 
           Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairmentsAbstract | 
        
        
           | 161 | 
           Marketable Securities, Unrealized Gain (Loss), Excluding Other than Temporary Impairments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairmentsAbstract | 
        
        
           | 162 | 
           Trading Securities, Change in Unrealized Holding Gain (Loss) | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss | 
        
        
           | 163 | 
           Available-for-sale Securities, Transfers to Trading, Gains (Losses), Excluding Other than Temporary Impairments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:AvailableforsaleSecuritiesTransfersToTradingGainsLossesExcludingOtherThanTemporaryImpairments | 
        
        
           | 164 | 
           Held-to-maturity Securities, Transferred to Trading Securities, Unrealized Gain (Loss), Excluding Other than Temporary Impairments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:HeldtomaturitySecuritiesTransferredToTradingSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 165 | 
           Marketable Securities, Unrealized Gain (Loss), Excluding Other than Temporary Impairments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 166 | 
           Marketable Securities, Realized Gain (Loss), Excluding Other than Temporary Impairments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairmentsAbstract | 
        
        
           | 167 | 
           Trading Securities, Realized Gain (Loss) | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:TradingSecuritiesRealizedGainLoss | 
        
        
           | 168 | 
           Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 169 | 
           Held-to-maturity Securities, Sold Security, Realized Gain (Loss), Excluding Other than Temporary Impairments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 170 | 
           Marketable Securities, Realized Gain (Loss), Excluding Other than Temporary Impairments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 171 | 
           Marketable Securities, Gain (Loss), Excluding Other than Temporary Impairments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 172 | 
           Cost-method Investments, Realized Gain (Loss), Excluding Other than Temporary Impairments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:CostmethodInvestmentsRealizedGainLossExcludingOtherThanTemporaryImpairments | 
        
        
           | 173 | 
           Gain (Loss) on Investments, Excluding Other than Temporary Impairments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments | 
        
        
           | 174 | 
           Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet | 
        
        
           | 175 | 
           Gain (Loss) on Extinguishment of Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainsLossesOnExtinguishmentOfDebt | 
        
        
           | 176 | 
           Income (Loss) from Equity Method Investments, Net of Dividends or Distributions [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributionsAbstract | 
        
        
           | 177 | 
           Income (Loss) from Equity Method Investments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncomeLossFromEquityMethodInvestments | 
        
        
           | 178 | 
           Proceeds from Equity Method Investment, Distribution | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EquityMethodInvestmentDividendsOrDistributions | 
        
        
           | 179 | 
           Income (Loss) from Equity Method Investments, Net of Dividends or Distributions, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions | 
        
        
           | 180 | 
           Leveraged Leases, Income (Loss) | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:LeveragedLeasesIncomeStatementNetIncomeFromLeveragedLeases | 
        
        
           | 181 | 
           Gain (Loss) on Sale of Previously Unissued Stock by Subsidiary or Equity Investee, Nonoperating Income | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnSaleOfPreviouslyUnissuedStockBySubsidiaryOrEquityInvesteeNonoperatingIncome | 
        
        
           | 182 | 
           Deferred Income Taxes and Tax Credits [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:DeferredIncomeTaxesAndTaxCreditsAbstract | 
        
        
           | 183 | 
           Deferred Income Tax Expense (Benefit) | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DeferredIncomeTaxExpenseBenefit | 
        
        
           | 184 | 
           Income Tax Credits and Adjustments | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncomeTaxCreditsAndAdjustments | 
        
        
           | 185 | 
           Investment Tax Credit | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:InvestmentTaxCredit | 
        
        
           | 186 | 
           Deferred Tax Expense from Stock Options Exercised | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DeferredTaxExpenseFromStockOptionsExercised | 
        
        
           | 187 | 
           Other Noncash Income Tax Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherNoncashIncomeTaxExpense | 
        
        
           | 188 | 
           Deferred Income Taxes and Tax Credits, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DeferredIncomeTaxesAndTaxCredits | 
        
        
           | 189 | 
           Deferred Purchased Power Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:DeferredPurchasedPowerCosts | 
        
        
           | 190 | 
           Carrying Costs, Property and Exploration Rights | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CarryingCostsPropertyAndExplorationRights | 
        
        
           | 191 | 
           Storm Damage Provision | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:StormDamageProvision | 
        
        
           | 192 | 
           Gain (Loss) on Contract Termination | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnContractTermination | 
        
        
           | 193 | 
           Gain (Loss) on Condemnation | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:GainLossOnCondemnation | 
        
        
           | 194 | 
           Reclamation and Mine Shutdown Provision | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ReclamationAndMineShutdownProvision | 
        
        
           | 195 | 
           Reimbursement from Limited Partnership Investment | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ReimbursementFromLimitedPartnershipInvestment | 
        
        
           | 196 | 
           Noncash Contribution Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NoncashContributionExpense | 
        
        
           | 197 | 
           Other Noncash Income (Expense) [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:OtherNoncashIncomeExpenseAbstract | 
        
        
           | 198 | 
           Other Noncash Income | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:OtherNoncashIncome | 
        
        
           | 199 | 
           Other Noncash Expense | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherNoncashExpense | 
        
        
           | 200 | 
           Other Noncash Income (Expense), Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:OtherNoncashIncomeExpense | 
        
        
           | 201 | 
           Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1 | 
        
        
           | 202 | 
           Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 | 
        
        
           | 203 | 
           Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities | 
        
        
           | 204 | 
           Increase (Decrease) in Operating Capital [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOperatingCapitalAbstract | 
        
        
           | 205 | 
           Increase (Decrease) in Operating Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOperatingAssetsAbstract | 
        
        
           | 206 | 
           Increase (Decrease) in Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInReceivablesAbstract | 
        
        
           | 207 | 
           Increase (Decrease) in Accounts and Notes Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable | 
        
        
           | 208 | 
           Increase (Decrease) in Accounts Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccountsReceivable | 
        
        
           | 209 | 
           Increase (Decrease) in Accounts and Other Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables | 
        
        
           | 210 | 
           Increase (Decrease) in Notes Receivable, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInNotesReceivableCurrent | 
        
        
           | 211 | 
           Increase (Decrease) in Long-term Receivables, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInLongTermReceivablesCurrent | 
        
        
           | 212 | 
           Increase (Decrease) in Leasing Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInLeasingReceivables | 
        
        
           | 213 | 
           Increase (Decrease) in Contract Receivables, Net | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInContractReceivablesNet | 
        
        
           | 214 | 
           Increase (Decrease) in Unbilled Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInUnbilledReceivables | 
        
        
           | 215 | 
           Increase (Decrease) in Income Taxes Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInIncomeTaxesReceivable | 
        
        
           | 216 | 
           Increase (Decrease) in Interests Continued to be Held by Transferor, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInInterestsContinuedToBeHeldByTransferorCurrent | 
        
        
           | 217 | 
           Increase (Decrease) in Accrued Interest Receivable, Net | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet | 
        
        
           | 218 | 
           Increase (Decrease) in Due from Related Parties, Current [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrentAbstract | 
        
        
           | 219 | 
           Increase (Decrease) in Accounts Receivable, Related Parties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccountsReceivableRelatedParties | 
        
        
           | 220 | 
           Increase (Decrease) in Notes Receivable, Related Parties, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInNotesReceivableRelatedPartiesCurrent | 
        
        
           | 221 | 
           Increase (Decrease) in Due from Employee, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDueFromEmployeeCurrent | 
        
        
           | 222 | 
           Increase (Decrease) in Due from Officers and Stockholders, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDueFromOfficersAndStockholdersCurrent | 
        
        
           | 223 | 
           Increase (Decrease) in Due from Affiliates, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDueFromAffiliatesCurrent | 
        
        
           | 224 | 
           Increase (Decrease) in Due from Other Related Parties, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDueFromOtherRelatedPartiesCurrent | 
        
        
           | 225 | 
           Increase (Decrease) in Due from Related Parties, Current, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDueFromRelatedPartiesCurrent | 
        
        
           | 226 | 
           Increase (Decrease) in Finance Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInFinanceReceivables | 
        
        
           | 227 | 
           Increase (Decrease) in Insurance Settlements Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInInsuranceSettlementsReceivable | 
        
        
           | 228 | 
           Increase (Decrease) in Accounts Receivable from Securitization | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccountsReceivableFromSecuritization | 
        
        
           | 229 | 
           Increase (Decrease) in Other Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherReceivables | 
        
        
           | 230 | 
           Increase (Decrease) in Receivables, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInReceivables | 
        
        
           | 231 | 
           Increase (Decrease) in Cost in Excess of Billing on Uncompleted Contract | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInCostInExcessOfBillingOnUncompletedContract | 
        
        
           | 232 | 
           Increase (Decrease) in Inventories [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInInventoriesAbstract | 
        
        
           | 233 | 
           Increase (Decrease) in Fuel Inventories [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInFuelInventoriesAbstract | 
        
        
           | 234 | 
           Increase (Decrease) in Fossil Fuel Inventories [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInFossilFuelInventoriesAbstract | 
        
        
           | 235 | 
           Increase (Decrease) in Coal Inventories | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInCoalInventories | 
        
        
           | 236 | 
           Increase (Decrease) in Other Fossil Fuel Inventories | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherFossilFuelInventories | 
        
        
           | 237 | 
           Increase (Decrease) in Fossil Fuel Inventories, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInFossilFuelInventories | 
        
        
           | 238 | 
           Increase (Decrease) in Fuel Inventories, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInFuelInventories | 
        
        
           | 239 | 
           Increase (Decrease) in Finished Goods and Work in Process Inventories | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInFinishedGoodsAndWorkInProcessInventories | 
        
        
           | 240 | 
           Increase (Decrease) in Inventory for Long-term Contracts or Programs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInInventoryForLongTermContractsOrPrograms | 
        
        
           | 241 | 
           Increase (Decrease) in Raw Materials, Packaging Materials and Supplies Inventories | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories | 
        
        
           | 242 | 
           Increase (Decrease) in Retail Related Inventories | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInRetailRelatedInventories | 
        
        
           | 243 | 
           Increase (Decrease) in Inventories, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInInventories | 
        
        
           | 244 | 
           Increase (Decrease) in Materials and Supplies | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInMaterialsAndSupplies | 
        
        
           | 245 | 
           Increase (Decrease) in Trading Securities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInTradingSecurities | 
        
        
           | 246 | 
           Increase (Decrease) in Mortgage Loans Held-for-sale [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInMortgageLoansHeldForSaleAbstract | 
        
        
           | 247 | 
           Proceeds from Sale of Mortgage Loans Held-for-sale | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale | 
        
        
           | 248 | 
           Proceeds from Collection of Mortgage Loans Held-for-sale | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfMortgageLoansHeldForSale | 
        
        
           | 249 | 
           Payments for Origination of Mortgage Loans Held-for-sale | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForOriginationOfMortgageLoansHeldForSale | 
        
        
           | 250 | 
           Increase (Decrease) in Mortgage Loans Held-for-sale, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInMortgageLoansHeldForSale | 
        
        
           | 251 | 
           Increase (Decrease) in Prepaid Expense and Other Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssetsAbstract | 
        
        
           | 252 | 
           Increase (Decrease) in Prepaid Expense | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidExpense | 
        
        
           | 253 | 
           Increase (Decrease) in Prepaid Royalties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidRoyalties | 
        
        
           | 254 | 
           Increase (Decrease) in Prepaid Insurance | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidInsurance | 
        
        
           | 255 | 
           Increase (Decrease) in Prepaid Rent | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidRent | 
        
        
           | 256 | 
           Increase (Decrease) in Prepaid Advertising | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidAdvertising | 
        
        
           | 257 | 
           Increase (Decrease) in Prepaid Supplies | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidSupplies | 
        
        
           | 258 | 
           Increase (Decrease) in Prepaid Interest | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidInterest | 
        
        
           | 259 | 
           Increase (Decrease) in Prepaid Taxes | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidTaxes | 
        
        
           | 260 | 
           Increase (Decrease) in Prepaid Expenses, Other | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidExpensesOther | 
        
        
           | 261 | 
           Increase (Decrease) in Assets Held-for-sale | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAssetsHeldForSale | 
        
        
           | 262 | 
           Increase (Decrease) in Financial Instruments Used in Operating Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivitiesAbstract | 
        
        
           | 263 | 
           Increase (Decrease) in Risk Management Assets and Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInRiskManagementAssetsAndLiabilities | 
        
        
           | 264 | 
           Increase (Decrease) in Other Financial Instruments Used in Operating Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherFinancialInstrumentsUsedInOperatingActivities | 
        
        
           | 265 | 
           Increase (Decrease) in Financial Instruments Used in Operating Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities | 
        
        
           | 266 | 
           Increase (Decrease) in Intangible Assets, Current | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInIntangibleAssetsCurrent | 
        
        
           | 267 | 
           Increase (Decrease) in Deposit Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInDepositOtherAssetsAbstract | 
        
        
           | 268 | 
           Increase (Decrease) in Deposits Outstanding | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDepositsOutstanding | 
        
        
           | 269 | 
           Increase (Decrease) in Margin Deposits Outstanding | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInMarginDepositsOutstanding | 
        
        
           | 270 | 
           Increase (Decrease) in Deposit Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDepositOtherAssets | 
        
        
           | 271 | 
           Increase (Decrease) in Deferred Income Taxes | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDeferredIncomeTaxes | 
        
        
           | 272 | 
           Increase (Decrease) in Deferred Fuel Costs [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInDeferredFuelCostsAbstract | 
        
        
           | 273 | 
           Increase (Decrease) in Deferred Gas Cost | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDeferredGasCost | 
        
        
           | 274 | 
           Increase (Decrease) in Deferred Electric Cost | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDeferredElectricCost | 
        
        
           | 275 | 
           Increase (Decrease) in Deferred Fuel Costs, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDeferredFuelCosts | 
        
        
           | 276 | 
           Increase (Decrease) in Deferred Charges | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDeferredCharges | 
        
        
           | 277 | 
           Increase (Decrease) in Deferred Leasing Fees | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDeferredLeasingFees | 
        
        
           | 278 | 
           Increase (Decrease) in Prepaid Expense and Other Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 
        
        
           | 279 | 
           Increase (Decrease) in Derivative Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDerivativeAssets | 
        
        
           | 280 | 
           Increase (Decrease) in Recoverable Property Damage Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInRecoverablePropertyDamageCosts | 
        
        
           | 281 | 
           Increase (Decrease) in Accrued Cost of Oil and Gas Reclamation | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAccruedCostOfOilAndGasReclamation | 
        
        
           | 282 | 
           Increase (Decrease) in Energy Trading Activity | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInEnergyTradingActivity | 
        
        
           | 283 | 
           Increase (Decrease) in Recoverable Refundable Gas Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInRecoverableRefundableGasCosts | 
        
        
           | 284 | 
           Increase (Decrease) in Unproved Oil and Gas Property | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInUnprovedOilAndGasProperty | 
        
        
           | 285 | 
           Increase (Decrease) in Gas Balancing Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInGasImbalanceReceivable | 
        
        
           | 286 | 
           Increase (Decrease) in Other Regulatory Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherRegulatoryAssets | 
        
        
           | 287 | 
           Increase (Decrease) in Balancing Account, Utility | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInBalancingAccountUtility | 
        
        
           | 288 | 
           Increase (Decrease) in Allowance for Equity Funds Used During Construction | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction | 
        
        
           | 289 | 
           Increase (Decrease) in Other Operating Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOtherOperatingAssetsAbstract | 
        
        
           | 290 | 
           Increase (Decrease) in Other Current Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherCurrentAssets | 
        
        
           | 291 | 
           Increase (Decrease) in Other Noncurrent Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherNoncurrentAssets | 
        
        
           | 292 | 
           Increase (Decrease) in Other Operating Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherOperatingAssets | 
        
        
           | 293 | 
           Increase (Decrease) in Operating Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOperatingAssets | 
        
        
           | 294 | 
           Increase (Decrease) in Operating Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOperatingLiabilitiesAbstract | 
        
        
           | 295 | 
           Increase (Decrease) in Accounts Payable and Accrued Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesAbstract | 
        
        
           | 296 | 
           Increase (Decrease) in Accounts Payable [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInAccountsPayableAbstract | 
        
        
           | 297 | 
           Increase (Decrease) in Accounts Payable, Trade | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccountsPayableTrade | 
        
        
           | 298 | 
           Increase (Decrease) in Notes Payable, Current | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInNotesPayableCurrent | 
        
        
           | 299 | 
           Increase (Decrease) in Due to Related Parties, Current [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrentAbstract | 
        
        
           | 300 | 
           Increase (Decrease) in Accounts Payable, Related Parties | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccountsPayableRelatedParties | 
        
        
           | 301 | 
           Increase (Decrease) in Notes Payable, Related Parties, Current | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInNotesPayableRelatedPartiesCurrent | 
        
        
           | 302 | 
           Increase (Decrease) in Due to Officers and Stockholders, Current | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDueToOfficersAndStockholdersCurrent | 
        
        
           | 303 | 
           Increase (Decrease) in Due to Employees, Current | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDueToEmployeesCurrent | 
        
        
           | 304 | 
           Increase (Decrease) in Due to Affiliates, Current | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDueToAffiliatesCurrent | 
        
        
           | 305 | 
           Increase (Decrease) in Due to Other Related Parties, Current | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDueToOtherRelatedPartiesCurrent | 
        
        
           | 306 | 
           Increase (Decrease) in Due to Related Parties, Current, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDueToRelatedPartiesCurrent | 
        
        
           | 307 | 
           Increase (Decrease) in Royalties Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInRoyaltiesPayable | 
        
        
           | 308 | 
           Increase (Decrease) in Retainage Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInRetainagePayable | 
        
        
           | 309 | 
           Increase (Decrease) in Construction Payables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInConstructionPayables | 
        
        
           | 310 | 
           Increase (Decrease) in Other Accounts Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherAccountsPayable | 
        
        
           | 311 | 
           Increase (Decrease) in Accounts Payable, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccountsPayable | 
        
        
           | 312 | 
           Increase (Decrease) in Accrued Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInAccruedLiabilitiesAbstract | 
        
        
           | 313 | 
           Increase (Decrease) in Interest Payable, Net | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInInterestPayableNet | 
        
        
           | 314 | 
           Increase (Decrease) in Employee Related Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilitiesAbstract | 
        
        
           | 315 | 
           Increase (Decrease) in Accrued Salaries | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccruedSalaries | 
        
        
           | 316 | 
           Increase (Decrease) in Workers' Compensation Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInWorkersCompensationLiabilities | 
        
        
           | 317 | 
           Increase (Decrease) in Postemployment Obligations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInPostemploymentObligations | 
        
        
           | 318 | 
           Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInPensionAndPostretirementObligationsAbstract | 
        
        
           | 319 | 
           Increase (Decrease) in Obligation, Pension Benefits | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInPensionPlanObligations | 
        
        
           | 320 | 
           Increase (Decrease) in Obligation, Other Postretirement Benefits | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInPostretirementObligations | 
        
        
           | 321 | 
           Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations | 
        
        
           | 322 | 
           Increase (Decrease) in Pneumoconiosis Benefit Obligations Noncurrent | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInPneumoconiosisBenefitObligationsNoncurrent | 
        
        
           | 323 | 
           Increase (Decrease) in Other Employee-Related Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherEmployeeRelatedLiabilities | 
        
        
           | 324 | 
           Increase (Decrease) in Employee Related Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities | 
        
        
           | 325 | 
           Increase (Decrease) in Other Accrued Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherAccruedLiabilities | 
        
        
           | 326 | 
           Increase (Decrease) in Accrued Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccruedLiabilities | 
        
        
           | 327 | 
           Increase (Decrease) in Other Accounts Payable and Accrued Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities | 
        
        
           | 328 | 
           Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities | 
        
        
           | 329 | 
           Increase (Decrease) in Deferred Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInDeferredLiabilitiesAbstract | 
        
        
           | 330 | 
           Increase (Decrease) in Customer Loyalty Program Liability | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInCustomerLoyaltyProgramLiability | 
        
        
           | 331 | 
           Increase (Decrease) in Deferred Compensation | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDeferredCompensation | 
        
        
           | 332 | 
           Increase (Decrease) in Other Deferred Liability | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherDeferredLiability | 
        
        
           | 333 | 
           Increase (Decrease) in Deferred Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDeferredLiabilities | 
        
        
           | 334 | 
           Increase (Decrease) in Billing in Excess of Cost of Earnings | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInBillingInExcessOfCostOfEarnings | 
        
        
           | 335 | 
           Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDepositsAbstract | 
        
        
           | 336 | 
           Increase (Decrease) in Deferred Revenue | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDeferredRevenue | 
        
        
           | 337 | 
           Increase (Decrease) in Customer Advances and Deposits [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInCustomerAdvancesAndDepositsAbstract | 
        
        
           | 338 | 
           Increase (Decrease) in Customer Advances | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInCustomerAdvances | 
        
        
           | 339 | 
           Increase (Decrease) in Customer Deposits | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInCustomerDeposits | 
        
        
           | 340 | 
           Increase (Decrease) in Customer Advances and Deposits, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInCustomerAdvancesAndDeposits | 
        
        
           | 341 | 
           Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits | 
        
        
           | 342 | 
           Increase (Decrease) in Gift Card Liability | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInGiftCardLiability | 
        
        
           | 343 | 
           Increase (Decrease) in Derivative Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInDerivativeLiabilities | 
        
        
           | 344 | 
           Increase (Decrease) in Accrued Taxes Payable [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInAccruedTaxesPayableAbstract | 
        
        
           | 345 | 
           Increase (Decrease) in Income Taxes Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable | 
        
        
           | 346 | 
           Increase (Decrease) in Property and Other Taxes Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable | 
        
        
           | 347 | 
           Increase (Decrease) in Accrued Taxes Payable, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAccruedTaxesPayable | 
        
        
           | 348 | 
           Increase (Decrease) in Self Insurance Reserve | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInSelfInsuranceReserve | 
        
        
           | 349 | 
           Increase (Decrease) in Restructuring Reserve | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInRestructuringReserve | 
        
        
           | 350 | 
           Increase (Decrease) in Asset Retirement Obligations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInAssetRetirementObligations | 
        
        
           | 351 | 
           Increase (Decrease) in Production Participation Plan Liability | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInProductionParticipationPlanLiability | 
        
        
           | 352 | 
           Increase (Decrease) in Regulatory Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInRegulatoryLiabilities | 
        
        
           | 353 | 
           Increase (Decrease) in Regulatory Clause Revenue | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue | 
        
        
           | 354 | 
           Increase (Decrease) in Outstanding Checks, Operating Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOutstandingChecksOperatingActivities | 
        
        
           | 355 | 
           Increase (Decrease) in Option Premium Contracts Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOptionPremiumContractsPayable | 
        
        
           | 356 | 
           Increase (Decrease) in Other Operating Liabilities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOtherOperatingLiabilitiesAbstract | 
        
        
           | 357 | 
           Increase (Decrease) in Other Current Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherCurrentLiabilities | 
        
        
           | 358 | 
           Increase (Decrease) in Other Noncurrent Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities | 
        
        
           | 359 | 
           Increase (Decrease) in Other Operating Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOtherOperatingLiabilities | 
        
        
           | 360 | 
           Increase (Decrease) in Operating Liabilities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOperatingLiabilities | 
        
        
           | 361 | 
           Increase (Decrease) in Commodity Contract Assets and Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInCommodityContractAssetsAndLiabilities | 
        
        
           | 362 | 
           Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable | 
        
        
           | 363 | 
           Increase (Decrease) in over (under) Energy Recovery [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOverUnderEnergyRecoveryAbstract | 
        
        
           | 364 | 
           Increase (Decrease) in over Energy Recovery | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOverEnergyRecovery | 
        
        
           | 365 | 
           Increase (Decrease) in under Energy Recovery | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInUnderEnergyRecovery | 
        
        
           | 366 | 
           Increase (Decrease) in over (under) Energy Recovery, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOverUnderEnergyRecovery | 
        
        
           | 367 | 
           Increase (Decrease) in Regulatory Assets and Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInRegulatoryAssetsAndLiabilities | 
        
        
           | 368 | 
           Increase (Decrease) in Derivative Assets and Liabilities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInDerivativeAssetsAndLiabilities | 
        
        
           | 369 | 
           Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract | 
        
        
           | 370 | 
           Increase (Decrease) in Other Current Assets and Liabilities, Net | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet | 
        
        
           | 371 | 
           Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet | 
        
        
           | 372 | 
           Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet | 
        
        
           | 373 | 
           Increase (Decrease) in Operating Capital, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:IncreaseDecreaseInOperatingCapital | 
        
        
           | 374 | 
           Other Operating Activities, Cash Flow Statement | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:OtherOperatingActivitiesCashFlowStatement | 
        
        
           | 375 | 
           Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities | 
        
        
           | 376 | 
           Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total | 
           Concept  (Monetary) | 
           For Period | 
            | 
           us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 
        
        
           | 377 | 
           Cash Provided by (Used in) Operating Activities, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | 
        
        
           | 378 | 
           Net Cash Provided by (Used in) Operating Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
            | 
           us-gaap:NetCashProvidedByUsedInOperatingActivities | 
        
        
           | 379 | 
           Net Cash Provided by (Used in) Investing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract | 
        
        
           | 380 | 
           Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract | 
        
        
           | 381 | 
           Payments for (Proceeds from) Productive Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromProductiveAssetsAbstract | 
        
        
           | 382 | 
           Payments to Acquire Productive Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireProductiveAssetsAbstract | 
        
        
           | 383 | 
           Payments to Acquire Property, Plant, and Equipment [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquirePropertyPlantAndEquipmentAbstract | 
        
        
           | 384 | 
           Payments to Acquire Land Held-for-use | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireLandHeldForUse | 
        
        
           | 385 | 
           Payments to Acquire Buildings | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireBuildings | 
        
        
           | 386 | 
           Payments for Capital Improvements | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForCapitalImprovements | 
        
        
           | 387 | 
           Payments to Acquire Machinery and Equipment | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireMachineryAndEquipment | 
        
        
           | 388 | 
           Payments to Acquire Furniture and Fixtures | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireFurnitureAndFixtures | 
        
        
           | 389 | 
           Payments to Acquire Oil and Gas Property and Equipment [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireOilAndGasPropertyAndEquipmentAbstract | 
        
        
           | 390 | 
           Payments to Acquire Oil and Gas Property | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOilAndGasProperty | 
        
        
           | 391 | 
           Payments to Acquire Oil and Gas Equipment | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOilAndGasEquipment | 
        
        
           | 392 | 
           Payments to Acquire Oil and Gas Property and Equipment, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOilAndGasPropertyAndEquipment | 
        
        
           | 393 | 
           Payments to Explore and Develop Oil and Gas Properties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties | 
        
        
           | 394 | 
           Payments to Acquire Mining Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireMiningAssets | 
        
        
           | 395 | 
           Payments to Acquire Timberlands | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireTimberlands | 
        
        
           | 396 | 
           Payments to Acquire Water and Waste Water Systems [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireWaterAndWasteWaterSystemsAbstract | 
        
        
           | 397 | 
           Payments to Acquire Water Systems | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireWaterSystems | 
        
        
           | 398 | 
           Payments to Acquire Waste Water Systems | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireWasteWaterSystems | 
        
        
           | 399 | 
           Payments to Acquire Water and Waste Water Systems, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireWaterAndWasteWaterSystems | 
        
        
           | 400 | 
           Payments to Acquire Other Property, Plant, and Equipment | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment | 
        
        
           | 401 | 
           Payments to Acquire Property, Plant, and Equipment, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquirePropertyPlantAndEquipment | 
        
        
           | 402 | 
           Payments for Software [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForSoftwareAbstract | 
        
        
           | 403 | 
           Payments to Acquire Software | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireSoftware | 
        
        
           | 404 | 
           Payments to Develop Software | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToDevelopSoftware | 
        
        
           | 405 | 
           Payments for Software, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForSoftware | 
        
        
           | 406 | 
           Payments to Acquire Intangible Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireIntangibleAssets | 
        
        
           | 407 | 
           Payments to Acquire Mineral Rights | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireMineralRights | 
        
        
           | 408 | 
           Payments to Acquire Equipment on Lease | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireEquipmentOnLease | 
        
        
           | 409 | 
           Payments to Acquire Other Productive Assets | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOtherProductiveAssets | 
        
        
           | 410 | 
           Payments to Acquire Productive Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireProductiveAssets | 
        
        
           | 411 | 
           Proceeds from Sale of Productive Assets [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleOfProductiveAssetsAbstract | 
        
        
           | 412 | 
           Proceeds from Sale of Property, Plant, and Equipment [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipmentAbstract | 
        
        
           | 413 | 
           Proceeds from Sale of Land Held-for-use | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfLandHeldForUse | 
        
        
           | 414 | 
           Proceeds from Sale of Buildings | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfBuildings | 
        
        
           | 415 | 
           Proceeds from Sale of Machinery and Equipment | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfMachineryAndEquipment | 
        
        
           | 416 | 
           Proceeds from Sale of Furniture and Fixtures | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfFurnitureAndFixtures | 
        
        
           | 417 | 
           Proceeds from Sale of Oil and Gas Property and Equipment | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfOilAndGasPropertyAndEquipment | 
        
        
           | 418 | 
           Proceeds from Sale of Water Systems | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfWaterSystems | 
        
        
           | 419 | 
           Proceeds from Sale of Other Property, Plant, and Equipment | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfOtherPropertyPlantAndEquipment | 
        
        
           | 420 | 
           Proceeds from Sale of Property, Plant, and Equipment, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment | 
        
        
           | 421 | 
           Proceeds from Sale of Intangible Assets | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfIntangibleAssets | 
        
        
           | 422 | 
           Proceeds from Sale of Other Productive Assets | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfOtherProductiveAssets | 
        
        
           | 423 | 
           Proceeds from Sale of Productive Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfProductiveAssets | 
        
        
           | 424 | 
           Payments for (Proceeds from) Productive Assets, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromProductiveAssets | 
        
        
           | 425 | 
           Payments for (Proceeds from) Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromInvestmentsAbstract | 
        
        
           | 426 | 
           Payments to Acquire Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireInvestmentsAbstract | 
        
        
           | 427 | 
           Payments to Acquire Marketable Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireMarketableSecuritiesAbstract | 
        
        
           | 428 | 
           Payments to Acquire Available-for-sale Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesAbstract | 
        
        
           | 429 | 
           Payments to Acquire Available-for-sale Securities, Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt | 
        
        
           | 430 | 
           Payments to Acquire Available-for-sale Securities, Equity | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity | 
        
        
           | 431 | 
           Payments to Acquire Available-for-sale Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireAvailableForSaleSecurities | 
        
        
           | 432 | 
           Payments to Acquire Held-to-maturity Securities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireHeldToMaturitySecurities | 
        
        
           | 433 | 
           Payments to Acquire Marketable Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireMarketableSecurities | 
        
        
           | 434 | 
           Payments to Acquire Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireReceivablesAbstract | 
        
        
           | 435 | 
           Payments to Acquire Notes Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireNotesReceivable | 
        
        
           | 436 | 
           Payments to Acquire Lease Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireLeaseReceivables | 
        
        
           | 437 | 
           Payments to Acquire Loans Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireLoansReceivable | 
        
        
           | 438 | 
           Payments to Acquire Finance Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireFinanceReceivables | 
        
        
           | 439 | 
           Payments to Acquire Retained Interest in Securitized Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireRetainedInterestInSecuritizedReceivables | 
        
        
           | 440 | 
           Payments for Advance to Affiliate | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForAdvanceToAffiliate | 
        
        
           | 441 | 
           Payments to Acquire Other Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOtherReceivables | 
        
        
           | 442 | 
           Payments to Acquire Receivables, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireReceivables | 
        
        
           | 443 | 
           Payments to Acquire Restricted Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireRestrictedInvestmentsAbstract | 
        
        
           | 444 | 
           Payments to Acquire Restricted Certificates of Deposit | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireRestrictedCertificatesOfDeposit | 
        
        
           | 445 | 
           Payments to Acquire Restricted Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireRestrictedInvestments | 
        
        
           | 446 | 
           Payments to Acquire Projects | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireProjects | 
        
        
           | 447 | 
           Payments to Acquire Investments to be Held in Decommissioning Trust Fund | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToInvestInDecommissioningFund | 
        
        
           | 448 | 
           Payments to Acquire Other Investments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireOtherInvestments | 
        
        
           | 449 | 
           Payments to Acquire Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireInvestments | 
        
        
           | 450 | 
           Proceeds from Sale, Maturity and Collection of Investments [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract | 
        
        
           | 451 | 
           Proceeds from Sale and Maturity of Marketable Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecuritiesAbstract | 
        
        
           | 452 | 
           Proceeds from Sale and Maturity of Available-for-sale Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecuritiesAbstract | 
        
        
           | 453 | 
           Proceeds from Sale of Available-for-sale Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesAbstract | 
        
        
           | 454 | 
           Proceeds from Sale of Available-for-sale Securities, Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt | 
        
        
           | 455 | 
           Proceeds from Sale of Available-for-sale Securities, Equity | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity | 
        
        
           | 456 | 
           Proceeds from Sale of Available-for-sale Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities | 
        
        
           | 457 | 
           Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities | 
        
        
           | 458 | 
           Proceeds from Sale and Maturity of Available-for-sale Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities | 
        
        
           | 459 | 
           Proceeds from Sale and Maturity of Held-to-maturity Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecuritiesAbstract | 
        
        
           | 460 | 
           Proceeds from Sale of Held-to-maturity Securities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities | 
        
        
           | 461 | 
           Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities | 
        
        
           | 462 | 
           Proceeds from Sale and Maturity of Held-to-maturity Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities | 
        
        
           | 463 | 
           Proceeds from Sale and Maturity of Marketable Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities | 
        
        
           | 464 | 
           Proceeds from Sale and Collection of Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndCollectionOfReceivablesAbstract | 
        
        
           | 465 | 
           Proceeds from Sale and Collection of Notes Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndCollectionOfNotesReceivablesAbstract | 
        
        
           | 466 | 
           Proceeds from Sale of Notes Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfNotesReceivable | 
        
        
           | 467 | 
           Proceeds from Collection of Notes Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfNotesReceivable | 
        
        
           | 468 | 
           Proceeds from Sale and Collection of Notes Receivable, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndCollectionOfNotesReceivable | 
        
        
           | 469 | 
           Proceeds from Sale and Collection of Lease Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndCollectionOfLeaseReceivablesAbstract | 
        
        
           | 470 | 
           Proceeds from Sale of Lease Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfLeaseReceivables | 
        
        
           | 471 | 
           Proceeds from Collection of Lease Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfLeaseReceivables | 
        
        
           | 472 | 
           Proceeds from Sale and Collection of Lease Receivables, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndCollectionOfLeaseReceivables | 
        
        
           | 473 | 
           Proceeds from Sale and Collection of Loans Receivable [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndCollectionOfLoansReceivableAbstract | 
        
        
           | 474 | 
           Proceeds from Sale of Loans Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfLoansReceivable | 
        
        
           | 475 | 
           Proceeds from Collection of Loans Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfLoansReceivable | 
        
        
           | 476 | 
           Proceeds from Sale and Collection of Loans Receivable, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndCollectionOfLoansReceivable | 
        
        
           | 477 | 
           Proceeds from Sale and Collection of Finance Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndCollectionOfFinanceReceivablesAbstract | 
        
        
           | 478 | 
           Proceeds from Sale of Finance Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfFinanceReceivables | 
        
        
           | 479 | 
           Proceeds from Collection of Finance Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfFinanceReceivables | 
        
        
           | 480 | 
           Proceeds from Sale and Collection of Finance Receivables, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndCollectionOfFinanceReceivables | 
        
        
           | 481 | 
           Proceeds from Collection of Retained Interest in Securitized Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables | 
        
        
           | 482 | 
           Proceeds from Collection of Advance to Affiliate | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfAdvanceToAffiliate | 
        
        
           | 483 | 
           Proceeds from Sale and Collection of Other Receivables [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromSaleAndCollectionOfOtherReceivablesAbstract | 
        
        
           | 484 | 
           Proceeds from Sale of Other Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfOtherReceivables | 
        
        
           | 485 | 
           Proceeds from Collection of Other Receivables | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfOtherReceivables | 
        
        
           | 486 | 
           Proceeds from Sale and Collection of Other Receivables, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndCollectionOfOtherReceivables | 
        
        
           | 487 | 
           Proceeds from Sale and Collection of Receivables, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndCollectionOfReceivables | 
        
        
           | 488 | 
           Proceeds from Sale of Restricted Investments | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfRestrictedInvestments | 
        
        
           | 489 | 
           Proceeds from Sale of Insurance Investments | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfInsuranceInvestments | 
        
        
           | 490 | 
           Proceeds from Sale of Investment Projects | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfInvestmentProjects | 
        
        
           | 491 | 
           Proceeds from Sale of Donor Restricted Assets | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfDonorRestrictedAssets | 
        
        
           | 492 | 
           Proceeds from Decommissioning Trust Fund Assets | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDecommissioningFund | 
        
        
           | 493 | 
           Proceeds from Sale and Maturity of Other Investments | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments | 
        
        
           | 494 | 
           Proceeds from Sale, Maturity and Collection of Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments | 
        
        
           | 495 | 
           Payments for (Proceeds from) Loans Receivable, Alternative [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromLoansReceivableAlternativeAbstract | 
        
        
           | 496 | 
           Payments to Acquire Loans Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireLoansReceivable | 
        
        
           | 497 | 
           Proceeds from Sale of Loans Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfLoansReceivable | 
        
        
           | 498 | 
           Proceeds from Collection of Loans Receivable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfLoansReceivable | 
        
        
           | 499 | 
           Payments for (Proceeds from) Loans Receivable, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromLoansReceivable | 
        
        
           | 500 | 
           Payments for (Proceeds from) Investments, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromInvestments | 
        
        
           | 501 | 
           Payments for (Proceeds from) Businesses and Interest in Affiliates [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromBusinessesAndInterestInAffiliatesAbstract | 
        
        
           | 502 | 
           Payments to Acquire Businesses and Interest in Affiliates [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireBusinessesAndInterestInAffiliatesAbstract | 
        
        
           | 503 | 
           Payments to Acquire Businesses, Net of Cash Acquired [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquiredAbstract | 
        
        
           | 504 | 
           Payments to Acquire Businesses, Gross | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireBusinessesGross | 
        
        
           | 505 | 
           Payments to Acquire in Process Research and Development | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireInProcessResearchAndDevelopment | 
        
        
           | 506 | 
           Payments for (Proceeds from) Previous Acquisition [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromPreviousAcquisitionAbstract | 
        
        
           | 507 | 
           Proceeds from Previous Acquisition | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPreviousAcquisition | 
        
        
           | 508 | 
           Payments for Previous Acquisition | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForPreviousAcquisition | 
        
        
           | 509 | 
           Payments for (Proceeds from) Previous Acquisition, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromPreviousAcquisition | 
        
        
           | 510 | 
           Other Payments to Acquire Businesses | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:OtherPaymentsToAcquireBusinesses | 
        
        
           | 511 | 
           Cash Acquired from Acquisition | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashAcquiredFromAcquisition | 
        
        
           | 512 | 
           Payments to Acquire Businesses, Net of Cash Acquired, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired | 
        
        
           | 513 | 
           Payments to Acquire Interest in Subsidiaries and Affiliates [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliatesAbstract | 
        
        
           | 514 | 
           Payments to Acquire Additional Interest in Subsidiaries | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries | 
        
        
           | 515 | 
           Payments to Acquire Equity Method Investments | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireEquityMethodInvestments | 
        
        
           | 516 | 
           Payments to Acquire Interest in Joint Venture | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireInterestInJointVenture | 
        
        
           | 517 | 
           Payments to Acquire Interest in Subsidiaries and Affiliates, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates | 
        
        
           | 518 | 
           Payments to Acquire Businesses and Interest in Affiliates, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireBusinessesAndInterestInAffiliates | 
        
        
           | 519 | 
           Proceeds from Divestiture of Businesses and Interests in Affiliates [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliatesAbstract | 
        
        
           | 520 | 
           Proceeds from Divestiture of Businesses, Net of Cash Divested [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAbstract | 
        
        
           | 521 | 
           Proceeds from Divestiture of Businesses | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDivestitureOfBusinesses | 
        
        
           | 522 | 
           Cash Divested from Deconsolidation | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:CashDivestedFromDeconsolidation | 
        
        
           | 523 | 
           Proceeds from Divestiture of Businesses, Net of Cash Divested, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDivestitureOfBusinessesNetOfCashDivested | 
        
        
           | 524 | 
           Proceeds from Divestiture of Interest in Subsidiaries and Affiliates [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | 
        
        
           | 525 | 
           Proceeds from Divestiture of Interest in Consolidated Subsidiaries | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries | 
        
        
           | 526 | 
           Proceeds from Sale of Equity Method Investments | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfEquityMethodInvestments | 
        
        
           | 527 | 
           Proceeds from Divestiture of Interest in Joint Venture | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDivestitureOfInterestInJointVenture | 
        
        
           | 528 | 
           Proceeds from Divestiture of Interest in Subsidiaries and Affiliates, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates | 
        
        
           | 529 | 
           Proceeds from Divestiture of Businesses and Interests in Affiliates, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates | 
        
        
           | 530 | 
           Payments for (Proceeds from) Businesses and Interest in Affiliates, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromBusinessesAndInterestInAffiliates | 
        
        
           | 531 | 
           Payments for (Proceeds from) Life Insurance Policies [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromLifeInsurancePoliciesAbstract | 
        
        
           | 532 | 
           Payment to Acquire Life Insurance Policy, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireLifeInsurancePolicies | 
        
        
           | 533 | 
           Proceeds from Life Insurance Policy | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromLifeInsurancePolicies | 
        
        
           | 534 | 
           Payments for (Proceeds from) Life Insurance Policies, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromLifeInsurancePolicies | 
        
        
           | 535 | 
           Payments for (Proceeds from) Removal Costs [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromRemovalCostsAbstract | 
        
        
           | 536 | 
           Proceeds from Removal Costs | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRemovalCosts | 
        
        
           | 537 | 
           Payments for Removal Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRemovalCosts | 
        
        
           | 538 | 
           Payments for (Proceeds from) Removal Costs, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromRemovalCosts | 
        
        
           | 539 | 
           Payments for (Proceeds from) Nuclear Fuel [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromNuclearFuelAbstract | 
        
        
           | 540 | 
           Proceeds from Nuclear Fuel | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromNuclearFuel | 
        
        
           | 541 | 
           Payments for Nuclear Fuel | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForNuclearFuel | 
        
        
           | 542 | 
           Payments for (Proceeds from) Nuclear Fuel, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromNuclearFuel | 
        
        
           | 543 | 
           Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromCollectionOfPaymentsToFundLongtermLoansToRelatedPartiesAbstract | 
        
        
           | 544 | 
           Proceeds from Collection of Long-term Loans to Related Parties | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromCollectionOfLongtermLoansToRelatedParties | 
        
        
           | 545 | 
           Payments to Fund Long-term Loans to Related Parties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToFundLongtermLoansToRelatedParties | 
        
        
           | 546 | 
           Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPaymentsForLongTermLoansForRelatedParties | 
        
        
           | 547 | 
           Payments for (Proceeds from) Hedge, Investing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromHedgeInvestingActivitiesAbstract | 
        
        
           | 548 | 
           Payments for Hedge, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForHedgeInvestingActivities | 
        
        
           | 549 | 
           Proceeds from Hedge, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromHedgeInvestingActivities | 
        
        
           | 550 | 
           Payments for (Proceeds from) Hedge, Investing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromHedgeInvestingActivities | 
        
        
           | 551 | 
           Payments for (Proceeds from) Derivative Instrument, Investing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromDerivativeInstrumentInvestingActivitiesAbstract | 
        
        
           | 552 | 
           Payments for Derivative Instrument, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForDerivativeInstrumentInvestingActivities | 
        
        
           | 553 | 
           Proceeds from Derivative Instrument, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDerivativeInstrumentInvestingActivities | 
        
        
           | 554 | 
           Payments for (Proceeds from) Derivative Instrument, Investing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromDerivativeInstrumentInvestingActivities | 
        
        
           | 555 | 
           Proceeds from Equity Method Investment, Distribution, Return of Capital | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital | 
        
        
           | 556 | 
           Payments for Investment in Restricted Cash from Pollution Control Bond | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForInvestmentInRestrictedCashFromPollutionControlBond | 
        
        
           | 557 | 
           Proceeds from Distribution of Restricted Cash from Pollution Control Bond | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDistributionOfRestrictedCashFromPollutionControlBond | 
        
        
           | 558 | 
           Proceeds from Advances for Construction | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromAdvancesForConstruction | 
        
        
           | 559 | 
           Repayments of Advances for Construction | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfAdvancesForConstruction | 
        
        
           | 560 | 
           Proceeds from Contribution in Aid of Construction | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromContributionInAidOfConstruction | 
        
        
           | 561 | 
           Allowance for Funds Used During Construction, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities | 
        
        
           | 562 | 
           Payments to Acquire Royalty Interests in Mining Properties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireRoyaltyInterestsInMiningProperties | 
        
        
           | 563 | 
           Proceeds from Insurance Settlement, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromInsuranceSettlementInvestingActivities | 
        
        
           | 564 | 
           Payments to Acquire Management Contract Rights | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToAcquireManagementContractRights | 
        
        
           | 565 | 
           Proceeds from Sale of Other Assets, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfOtherAssetsInvestingActivities | 
        
        
           | 566 | 
           Payments for (Proceeds from) Other Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromOtherInvestingActivities | 
        
        
           | 567 | 
           Origination of Notes Receivable from Related Parties | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:OriginationOfNotesReceivableFromRelatedParties | 
        
        
           | 568 | 
           Repayment of Notes Receivable from Related Parties | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:RepaymentOfNotesReceivableFromRelatedParties | 
        
        
           | 569 | 
           Payment for Contingent Consideration Liability, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentForContingentConsiderationLiabilityInvestingActivities | 
        
        
           | 570 | 
           Sale Leaseback Transaction, Net Proceeds, Investing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:SaleLeasebackTransactionNetProceedsInvestingActivitiesAbstract | 
        
        
           | 571 | 
           Sale Leaseback Transaction, Gross Proceeds, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:SaleLeasebackTransactionGrossProceedsInvestingActivities | 
        
        
           | 572 | 
           Sale Leaseback Transaction, Transaction Costs, Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:SaleLeasebackTransactionTransactionCostsInvestingActivities | 
        
        
           | 573 | 
           Sale Leaseback Transaction, Net Proceeds, Investing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:SaleLeasebackTransactionNetProceedsInvestingActivities | 
        
        
           | 574 | 
           Net Cash Provided by (Used in) Investing Activities, Continuing Operations, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | 
        
        
           | 575 | 
           Cash Provided by (Used in) Investing Activities, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations | 
        
        
           | 576 | 
           Net Cash Provided by (Used in) Investing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInInvestingActivities | 
        
        
           | 577 | 
           Net Cash Provided by (Used in) Financing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract | 
        
        
           | 578 | 
           Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract | 
        
        
           | 579 | 
           Proceeds from (Repayments of) Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepaymentsOfDebtAbstract | 
        
        
           | 580 | 
           Proceeds from (Repayments of) Short-term Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepaymentsOfShortTermDebtAbstract | 
        
        
           | 581 | 
           Proceeds from (Repayments of) Bank Overdrafts | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfBankOverdrafts | 
        
        
           | 582 | 
           Increase (Decrease) in Book Overdrafts | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInBookOverdrafts | 
        
        
           | 583 | 
           Payments for (Proceeds from) Deposit on Loan | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromDepositOnLoan | 
        
        
           | 584 | 
           Increase (Decrease) in Outstanding Checks, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:IncreaseDecreaseInOutstandingChecksFinancingActivities | 
        
        
           | 585 | 
           Proceeds from (Repayments of) Lines of Credit | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfLinesOfCredit | 
        
        
           | 586 | 
           Proceeds from (Repayments of) Commercial Paper | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfCommercialPaper | 
        
        
           | 587 | 
           Proceeds from Short-term Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromShortTermDebtAbstract | 
        
        
           | 588 | 
           Proceeds from Lines of Credit | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromLinesOfCredit | 
        
        
           | 589 | 
           Proceeds from Bank Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromBankDebt | 
        
        
           | 590 | 
           Proceeds from Issuance of Commercial Paper | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfCommercialPaper | 
        
        
           | 591 | 
           Proceeds from Subordinated Short-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSubordinatedShortTermDebt | 
        
        
           | 592 | 
           Proceeds from Notes Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromNotesPayable | 
        
        
           | 593 | 
           Proceeds from Construction Loans Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromConstructionLoansPayable | 
        
        
           | 594 | 
           Proceeds from Other Short-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromOtherShortTermDebt | 
        
        
           | 595 | 
           Proceeds from Short-term Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromShortTermDebt | 
        
        
           | 596 | 
           Repayments of Short-term Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RepaymentsOfShortTermDebtAbstract | 
        
        
           | 597 | 
           Repayments of Lines of Credit | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfLinesOfCredit | 
        
        
           | 598 | 
           Repayments of Bank Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfBankDebt | 
        
        
           | 599 | 
           Repayments of Commercial Paper | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfCommercialPaper | 
        
        
           | 600 | 
           Repayments of Subordinated Short-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfSubordinatedShortTermDebt | 
        
        
           | 601 | 
           Repayments of Notes Payable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfNotesPayable | 
        
        
           | 602 | 
           Repayments of Construction Loans Payable | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfConstructionLoansPayable | 
        
        
           | 603 | 
           Repayments of Other Short-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfOtherShortTermDebt | 
        
        
           | 604 | 
           Repayments of Short-term Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfShortTermDebt | 
        
        
           | 605 | 
           Proceeds from (Repayments of) Short-term Debt, Maturing in Three Months or Less, Alternative [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLessAlternativeAbstract | 
        
        
           | 606 | 
           Proceeds from Short-term Debt, Maturing in Three Months or Less | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromShortTermDebtMaturingInThreeMonthsOrLess | 
        
        
           | 607 | 
           Repayments of Short-term Debt, Maturing in Three Months or Less | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess | 
        
        
           | 608 | 
           Proceeds from (Repayments of) Short-term Debt, Maturing in Three Months or Less, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess | 
        
        
           | 609 | 
           Proceeds from (Repayments of) Short-term Debt, Maturing in More than Three Months, Alternative [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonthsAlternativeAbstract | 
        
        
           | 610 | 
           Proceeds from Short-term Debt, Maturing in More than Three Months | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths | 
        
        
           | 611 | 
           Repayments of Short-term Debt, Maturing in More than Three Months | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths | 
        
        
           | 612 | 
           Proceeds from (Repayments of) Short-term Debt, Maturing in More than Three Months, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths | 
        
        
           | 613 | 
           Proceeds from (Repayments of) Short-term Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfShortTermDebt | 
        
        
           | 614 | 
           Proceeds from (Repayments of) Long-term Debt and Capital Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecuritiesAbstract | 
        
        
           | 615 | 
           Proceeds from Issuance of Long-term Debt and Capital Securities, Net [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNetAbstract | 
        
        
           | 616 | 
           Proceeds from Issuance of Long-term Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromIssuanceOfLongTermDebtAbstract | 
        
        
           | 617 | 
           Proceeds from Long-term Lines of Credit | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromLongTermLinesOfCredit | 
        
        
           | 618 | 
           Proceeds from Issuance of Medium-term Notes | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfMediumTermNotes | 
        
        
           | 619 | 
           Proceeds from Issuance of Senior Long-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt | 
        
        
           | 620 | 
           Proceeds from Issuance of Subordinated Long-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfSubordinatedLongTermDebt | 
        
        
           | 621 | 
           Proceeds from Convertible Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromConvertibleDebt | 
        
        
           | 622 | 
           Proceeds from Related Party Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRelatedPartyDebt | 
        
        
           | 623 | 
           Proceeds from Issuance of Secured Tax Exempt Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfSecuredTaxExemptDebt | 
        
        
           | 624 | 
           Proceeds from Issuance of Secured Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfSecuredDebt | 
        
        
           | 625 | 
           Proceeds from Issuance of Unsecured Tax Exempt Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfUnsecuredTaxExemptDebt | 
        
        
           | 626 | 
           Proceeds from Issuance of Unsecured Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfUnsecuredDebt | 
        
        
           | 627 | 
           Proceeds from Issuance of First Mortgage Bond | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfFirstMortgageBond | 
        
        
           | 628 | 
           Proceeds from Pollution Control Bond | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPollutionControlBond | 
        
        
           | 629 | 
           Proceeds from Issuance of Financial Services Obligations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfFinancialServicesObligations | 
        
        
           | 630 | 
           Proceeds from Issuance of Other Long-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt | 
        
        
           | 631 | 
           Proceeds from Issuance of Long-term Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfLongTermDebt | 
        
        
           | 632 | 
           Proceeds from Long-term Capital Lease Obligations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromLongTermCapitalLeaseObligations | 
        
        
           | 633 | 
           Proceeds from Issuance of Mandatory Redeemable Capital Securities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfMandatoryRedeemableCapitalSecurities | 
        
        
           | 634 | 
           Proceeds from Issuance of Long-term Debt and Capital Securities, Net, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet | 
        
        
           | 635 | 
           Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RepaymentsOfLongTermDebtAndCapitalSecuritiesAbstract | 
        
        
           | 636 | 
           Repayments of Long-term Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RepaymentsOfLongTermDebtAbstract | 
        
        
           | 637 | 
           Repayments of Long-term Lines of Credit | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfLongTermLinesOfCredit | 
        
        
           | 638 | 
           Repayments of Medium-term Notes | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfMediumTermNotes | 
        
        
           | 639 | 
           Repayments of Senior Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RepaymentsOfSeniorDebtAbstract | 
        
        
           | 640 | 
           Maturities of Senior Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:MaturitiesOfSeniorDebt | 
        
        
           | 641 | 
           Early Repayment of Senior Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:EarlyRepaymentOfSeniorDebt | 
        
        
           | 642 | 
           Repayments of Senior Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfSeniorDebt | 
        
        
           | 643 | 
           Repayments of Subordinated Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:RepaymentsOfSubordinatedDebtAbstract | 
        
        
           | 644 | 
           Maturities of Subordinated Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:MaturitiesOfSubordinatedDebt | 
        
        
           | 645 | 
           Early Repayment of Subordinated Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:EarlyRepaymentOfSubordinatedDebt | 
        
        
           | 646 | 
           Repayments of Subordinated Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfSubordinatedDebt | 
        
        
           | 647 | 
           Repayments of Convertible Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfConvertibleDebt | 
        
        
           | 648 | 
           Repayments of Related Party Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfRelatedPartyDebt | 
        
        
           | 649 | 
           Repayments of Assumed Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfAssumedDebt | 
        
        
           | 650 | 
           Repayments of Unsecured Tax Exempt Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfUnsecuredTaxExemptDebt | 
        
        
           | 651 | 
           Repayments of Secured Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfSecuredDebt | 
        
        
           | 652 | 
           Repayments of Unsecured Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfUnsecuredDebt | 
        
        
           | 653 | 
           Repayments of First Mortgage Bond | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfFirstMortgageBond | 
        
        
           | 654 | 
           Repayments of Pollution Control Bond | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfPollutionControlBond | 
        
        
           | 655 | 
           Repayments of Other Long-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfOtherLongTermDebt | 
        
        
           | 656 | 
           Repayments of Long-term Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfLongTermDebt | 
        
        
           | 657 | 
           Repayments of Long-term Capital Lease Obligations | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfLongTermCapitalLeaseObligations | 
        
        
           | 658 | 
           Repayments of Mandatory Redeemable Capital Securities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfMandatoryRedeemableCapitalSecurities | 
        
        
           | 659 | 
           Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities | 
        
        
           | 660 | 
           Proceeds from (Repayments of) Secured Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfSecuredDebt | 
        
        
           | 661 | 
           Proceeds from (Repayments of) Notes Payable | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfNotesPayable | 
        
        
           | 662 | 
           Proceeds from (Repayments of) First Mortgage Bond | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfFirstMortgageBond | 
        
        
           | 663 | 
           Proceeds from (Repayments of) Pollution Control Bond | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfPollutionControlBond | 
        
        
           | 664 | 
           Proceeds from (Repayments of) Related Party Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfRelatedPartyDebt | 
        
        
           | 665 | 
           Proceeds from (Repayments of) Other Long-term Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfOtherLongTermDebt | 
        
        
           | 666 | 
           Proceeds from (Repayments of) Long-term Debt and Capital Securities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities | 
        
        
           | 667 | 
           Proceeds from (Repayments of) Other Debt [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepaymentsOfOtherDebtAbstract | 
        
        
           | 668 | 
           Proceeds from Other Debt | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromOtherDebt | 
        
        
           | 669 | 
           Repayments of Other Debt | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfOtherDebt | 
        
        
           | 670 | 
           Proceeds from (Repayments of) Other Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfOtherDebt | 
        
        
           | 671 | 
           Proceeds from (Payments for) Deposits Applied to Debt Retirements [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromPaymentsForDepositsAppliedToDebtRetirementsAbstract | 
        
        
           | 672 | 
           Proceeds from Deposits Applied to Debt Retirements | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDepositsAppliedToDebtRetirements | 
        
        
           | 673 | 
           Payments for Deposits Applied to Debt Retirements | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForDepositsAppliedToDebtRetirements | 
        
        
           | 674 | 
           Proceeds from (Payments for) Deposits Applied to Debt Retirements, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPaymentsForDepositsAppliedToDebtRetirements | 
        
        
           | 675 | 
           Repayments of Long-term Loans from Vendors | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:RepaymentsOfLongtermLoansFromVendors | 
        
        
           | 676 | 
           Proceeds from (Repayments of) Debt, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentsOfDebt | 
        
        
           | 677 | 
           Payment of Financing and Stock Issuance Costs [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentOfFinancingAndStockIssuanceCostsAbstract | 
        
        
           | 678 | 
           Payments of Financing Costs [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsOfFinancingCostsAbstract | 
        
        
           | 679 | 
           Payments of Debt Issuance Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDebtIssuanceCosts | 
        
        
           | 680 | 
           Payments of Loan Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfLoanCosts | 
        
        
           | 681 | 
           Payments of Financing Costs, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfFinancingCosts | 
        
        
           | 682 | 
           Payments of Stock Issuance Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfStockIssuanceCosts | 
        
        
           | 683 | 
           Payment of Financing and Stock Issuance Costs, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentOfFinancingAndStockIssuanceCosts | 
        
        
           | 684 | 
           Payments for (Proceeds from) Hedge, Financing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromHedgeFinancingActivitiesAbstract | 
        
        
           | 685 | 
           Payments for Hedge, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForHedgeFinancingActivities | 
        
        
           | 686 | 
           Proceeds from Hedge, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromHedgeFinancingActivities | 
        
        
           | 687 | 
           Payments for (Proceeds from) Hedge, Financing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromHedgeFinancingActivities | 
        
        
           | 688 | 
           Payments for (Proceeds from) Derivative Instrument, Financing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForProceedsFromDerivativeInstrumentFinancingActivitiesAbstract | 
        
        
           | 689 | 
           Payments for Derivative Instrument, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForDerivativeInstrumentFinancingActivities | 
        
        
           | 690 | 
           Proceeds from Derivative Instrument, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromDerivativeInstrumentFinancingActivities | 
        
        
           | 691 | 
           Payments for (Proceeds from) Derivative Instrument, Financing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForProceedsFromDerivativeInstrumentFinancingActivities | 
        
        
           | 692 | 
           Proceeds from (Payments to) Noncontrolling Interests [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromPaymentsToMinorityShareholdersAbstract | 
        
        
           | 693 | 
           Proceeds from Noncontrolling Interests | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromMinorityShareholders | 
        
        
           | 694 | 
           Payments to Noncontrolling Interests | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsToMinorityShareholders | 
        
        
           | 695 | 
           Proceeds from (Payments to) Noncontrolling Interests, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPaymentsToMinorityShareholders | 
        
        
           | 696 | 
           Payments for Repurchase of Redeemable Noncontrolling Interest | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest | 
        
        
           | 697 | 
           Proceeds from (Repurchase of) Redeemable Preferred Stock [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepurchaseOfRedeemablePreferredStockAbstract | 
        
        
           | 698 | 
           Proceeds from Issuance of Redeemable Preferred Stock | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfRedeemablePreferredStock | 
        
        
           | 699 | 
           Proceeds from Issuance of Redeemable Convertible Preferred Stock | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfRedeemableConvertiblePreferredStock | 
        
        
           | 700 | 
           Payments for Repurchase of Redeemable Preferred Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfRedeemablePreferredStock | 
        
        
           | 701 | 
           Payments for Repurchase of Redeemable Convertible Preferred Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock | 
        
        
           | 702 | 
           Proceeds from (Repurchase of) Redeemable Preferred Stock, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepurchaseOfRedeemablePreferredStock | 
        
        
           | 703 | 
           Proceeds from (Repurchase of) Equity [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromRepurchaseOfEquityAbstract | 
        
        
           | 704 | 
           Proceeds from Issuance or Sale of Equity [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromIssuanceOrSaleOfEquityAbstract | 
        
        
           | 705 | 
           Proceeds from Issuance of Common Stock | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfCommonStock | 
        
        
           | 706 | 
           Proceeds from Sale of Treasury Stock | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfTreasuryStock | 
        
        
           | 707 | 
           Proceeds from Issuance of Preferred Stock and Preference Stock | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock | 
        
        
           | 708 | 
           Proceeds from Issuance of Convertible Preferred Stock | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfConvertiblePreferredStock | 
        
        
           | 709 | 
           Proceeds from Issuance of Private Placement | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfPrivatePlacement | 
        
        
           | 710 | 
           Proceeds from Issuance Initial Public Offering | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceInitialPublicOffering | 
        
        
           | 711 | 
           Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptionsAbstract | 
        
        
           | 712 | 
           Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans | 
        
        
           | 713 | 
           Proceeds from Stock Options Exercised | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromStockOptionsExercised | 
        
        
           | 714 | 
           Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 
        
        
           | 715 | 
           Proceeds from Stock Plans | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromStockPlans | 
        
        
           | 716 | 
           Proceeds from Issuance of Warrants | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfWarrants | 
        
        
           | 717 | 
           Proceeds from Warrant Exercises | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromWarrantExercises | 
        
        
           | 718 | 
           Proceeds from Issuance of Common Limited Partners Units | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfCommonLimitedPartnersUnits | 
        
        
           | 719 | 
           Proceeds from Issuance of Preferred Limited Partners Units | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOfPreferredLimitedPartnersUnits | 
        
        
           | 720 | 
           Proceeds from Sale of Interest in Partnership Unit | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfInterestInPartnershipUnit | 
        
        
           | 721 | 
           Proceeds from Sale of Interest in Corporate Unit | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromSaleOfInterestInCorporateUnit | 
        
        
           | 722 | 
           Proceeds from Contributed Capital | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromContributedCapital | 
        
        
           | 723 | 
           Proceeds from Other Equity | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromOtherEquity | 
        
        
           | 724 | 
           Proceeds from Issuance or Sale of Equity, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromIssuanceOrSaleOfEquity | 
        
        
           | 725 | 
           Payments for Repurchase of Equity [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsForRepurchaseOfEquityAbstract | 
        
        
           | 726 | 
           Payments for Repurchase of Common Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfCommonStock | 
        
        
           | 727 | 
           Payments for Repurchase of Preferred Stock and Preference Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock | 
        
        
           | 728 | 
           Payments for Repurchase of Convertible Preferred Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfConvertiblePreferredStock | 
        
        
           | 729 | 
           Payments for Repurchase of Private Placement | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfPrivatePlacement | 
        
        
           | 730 | 
           Payments for Repurchase of Initial Public Offering | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfInitialPublicOffering | 
        
        
           | 731 | 
           Payments for Repurchase of Warrants | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfWarrants | 
        
        
           | 732 | 
           Payments for Repurchase of Other Equity | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfOtherEquity | 
        
        
           | 733 | 
           Payments for Repurchase of Equity, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsForRepurchaseOfEquity | 
        
        
           | 734 | 
           Proceeds from (Repurchase of) Equity, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepurchaseOfEquity | 
        
        
           | 735 | 
           Payments of Dividends [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsOfDividendsAbstract | 
        
        
           | 736 | 
           Payments of Ordinary Dividends [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:PaymentsOfOrdinaryDividendsAbstract | 
        
        
           | 737 | 
           Payments of Ordinary Dividends, Common Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDividendsCommonStock | 
        
        
           | 738 | 
           Payments of Ordinary Dividends, Preferred Stock and Preference Stock | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock | 
        
        
           | 739 | 
           Payments of Ordinary Dividends, Noncontrolling Interest | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDividendsMinorityInterest | 
        
        
           | 740 | 
           Payments of Ordinary Dividends, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfOrdinaryDividends | 
        
        
           | 741 | 
           Payments of Capital Distribution | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfCapitalDistribution | 
        
        
           | 742 | 
           Payments of Dividends, Total | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDividends | 
        
        
           | 743 | 
           Sale Leaseback Transaction, Net Proceeds, Financing Activities [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:SaleLeasebackTransactionNetProceedsFinancingActivitiesAbstract | 
        
        
           | 744 | 
           Sale Leaseback Transaction, Gross Proceeds, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:SaleLeasebackTransactionGrossProceedsFinancingActivities | 
        
        
           | 745 | 
           Sale Leaseback Transaction, Transaction Costs, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:SaleLeasebackTransactionTransactionCostsFinancingActivities | 
        
        
           | 746 | 
           Sale Leaseback Transaction, Net Proceeds, Financing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:SaleLeasebackTransactionNetProceedsFinancingActivities | 
        
        
           | 747 | 
           Origination of Loans to Employee Stock Ownership Plans | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:OriginationOfLoansToEmployeeStockOwnershipPlans | 
        
        
           | 748 | 
           Proceeds from Repayment of Loans by Employee Stock Ownership Plans | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromRepaymentOfLoansByEmployeeStockOwnershipPlans | 
        
        
           | 749 | 
           Payments of Debt Restructuring Costs | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDebtRestructuringCosts | 
        
        
           | 750 | 
           Payment for Debt Extinguishment or Debt Prepayment Cost | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDebtExtinguishmentCosts | 
        
        
           | 751 | 
           Excess Tax Benefit from Share-based Compensation, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 
        
        
           | 752 | 
           Payments Related to Tax Withholding for Share-based Compensation | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation | 
        
        
           | 753 | 
           Payments of Distributions to Affiliates | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfDistributionsToAffiliates | 
        
        
           | 754 | 
           Proceeds from Contributions from Affiliates | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromContributionsFromAffiliates | 
        
        
           | 755 | 
           Proceeds from Contributions from Parent | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromContributionsFromParent | 
        
        
           | 756 | 
           Proceeds from Partnership Contribution | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPartnershipContribution | 
        
        
           | 757 | 
           Payments of Merger Related Costs, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentsOfMergerRelatedCostsFinancingActivities | 
        
        
           | 758 | 
           Payment for Contingent Consideration Liability, Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Credit | 
           us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities | 
        
        
           | 759 | 
           Proceeds from (Payments for) Other Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:ProceedsFromPaymentsForOtherFinancingActivities | 
        
        
           | 760 | 
           Net Cash Provided by (Used in) Financing Activities, Continuing Operations, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 
        
        
           | 761 | 
           Cash Provided by (Used in) Financing Activities, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations | 
        
        
           | 762 | 
           Net Cash Provided by (Used in) Financing Activities, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInFinancingActivities | 
        
        
           | 763 | 
           Net Cash Provided by (Used in) Discontinued Operations and Continuing Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInDiscontinuedOperationsAndContinuingOperationsAbstract | 
        
        
           | 764 | 
           Net Cash Provided by (Used in) Continuing Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInContinuingOperationsAbstract | 
        
        
           | 765 | 
           Net Cash Provided by (Used in) Operating Activities, Continuing Operations | 
           Concept  (Monetary) | 
           For Period | 
            | 
           us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 
        
        
           | 766 | 
           Net Cash Provided by (Used in) Investing Activities, Continuing Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | 
        
        
           | 767 | 
           Net Cash Provided by (Used in) Financing Activities, Continuing Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 
        
        
           | 768 | 
           Net Cash Provided by (Used in) Continuing Operations, Total | 
           Concept  (Monetary) | 
           For Period | 
            | 
           us-gaap:NetCashProvidedByUsedInContinuingOperations | 
        
        
           | 769 | 
           Net Cash Provided by (Used in) Discontinued Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:NetCashProvidedByUsedInDiscontinuedOperationsAbstract | 
        
        
           | 770 | 
           Cash Provided by (Used in) Operating Activities, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations | 
        
        
           | 771 | 
           Cash Provided by (Used in) Investing Activities, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations | 
        
        
           | 772 | 
           Cash Provided by (Used in) Financing Activities, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations | 
        
        
           | 773 | 
           Net Cash Provided by (Used in) Discontinued Operations, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInDiscontinuedOperations | 
        
        
           | 774 | 
           Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect | 
        
        
           | 775 | 
           Effect of Exchange Rate on Cash and Cash Equivalents [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:EffectOfExchangeRateOnCashAndCashEquivalentsAbstract | 
        
        
           | 776 | 
           Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations | 
        
        
           | 777 | 
           Effect of Exchange Rate on Cash and Cash Equivalents, Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations | 
        
        
           | 778 | 
           Effect of Exchange Rate on Cash and Cash Equivalents, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents | 
        
        
           | 779 | 
           Cash and Cash Equivalents, Period Increase (Decrease), Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease | 
        
        
           | 780 | 
           Cash and Cash Equivalents, at Carrying Value, Beginning Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashAndCashEquivalentsAtCarryingValue | 
        
        
           | 781 | 
           Cash and Cash Equivalents, at Carrying Value, Ending Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashAndCashEquivalentsAtCarryingValue | 
        
        
           | 782 | 
           Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Beginning Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations | 
        
        
           | 783 | 
           Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Ending Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations | 
        
        
           | 784 | 
           Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperationsAbstract | 
        
        
           | 785 | 
           Cash and Cash Equivalents, at Carrying Value | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashAndCashEquivalentsAtCarryingValue | 
        
        
           | 786 | 
           Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents | 
        
        
           | 787 | 
           Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Total | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations | 
        
        
           | 788 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectAbstract | 
        
        
           | 789 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffectAbstract | 
        
        
           | 790 | 
           Net Cash Provided by (Used in) Operating Activities | 
           Concept  (Monetary) | 
           For Period | 
            | 
           us-gaap:NetCashProvidedByUsedInOperatingActivities | 
        
        
           | 791 | 
           Net Cash Provided by (Used in) Investing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInInvestingActivities | 
        
        
           | 792 | 
           Net Cash Provided by (Used in) Financing Activities | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:NetCashProvidedByUsedInFinancingActivities | 
        
        
           | 793 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect | 
        
        
           | 794 | 
           Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperationsAbstract | 
        
        
           | 795 | 
           Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 
        
        
           | 796 | 
           Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations | 
        
        
           | 797 | 
           Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations | 
        
        
           | 798 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total | 
           Concept  (Monetary) | 
           For Period | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect | 
        
        
           | 799 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Beginning Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations | 
        
        
           | 800 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Ending Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations | 
        
        
           | 801 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 
        
        
           | 802 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 
        
        
           | 803 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] | 
           Abstract  | 
            | 
            | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperationsAbstract | 
        
        
           | 804 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | 
        
        
           | 805 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations | 
        
        
           | 806 | 
           Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total | 
           Concept  (Monetary) | 
           As Of | 
           Debit | 
           us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations |