Table: Component of Other Income, Nonoperating [Table]

Line Label Object Class Period Type Balance Name
1 Component of Other Income, Nonoperating [Table] [Table]

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 us-gaap:ComponentOfOtherIncomeNonoperatingTable
2 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
3 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
4 Component of Other Income, Nonoperating [Axis] [Axis]

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 us-gaap:ComponentOfOtherIncomeNonoperatingAxis
5 Component of Other Income, Nonoperating, Name [Domain] [Domain]

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 us-gaap:ComponentOfOtherIncomeNonoperatingNameDomain
6 Interest and Dividend Income [Member] [Member]

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 us-gaap:InterestAndDividendIncomeMember
7 Interest Income [Member] [Member]

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 us-gaap:InterestIncomeMember
8 Other Interest Income [Member] [Member]

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 us-gaap:OtherInterestIncomeMember
9 Dividend Income [Member] [Member]

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 us-gaap:DividendIncomeMember
10 Gain (Loss) on Investments [Member] [Member]

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 us-gaap:GainLossOnInvestmentsMember
11 Realized Gain (Loss) on Sale of Investments [Member] [Member]

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 us-gaap:RealizedGainLossOnSaleOfInvestmentsMember
12 Unrealized Gain (Loss or Write-down) [Member] [Member]

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 us-gaap:UnrealizedGainLossOrWriteDownMember
13 Income (Loss) from Equity Method Investments, Net of Distributions [Member] [Member]

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 us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDistributionsMember
14 Income (Loss) from Equity Real Estate Partnerships [Member] [Member]

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 us-gaap:IncomeLossFromEquityRealEstatePartnershipsMember
15 Noncontrolling Interest and Earnings Losses Equity Investments [Member] [Member]

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 us-gaap:MinorityInterestAndEarningsLossesEquityInvestmentsMember
16 Gain (Loss) on Disposition of Assets [Member] [Member]

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 us-gaap:GainLossOnDispositionOfAssetsMember
17 Gain (Loss) on Disposition of Property [Member] [Member]

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 us-gaap:GainLossOnDispositionOfPropertyMember
18 Gain (Loss) on Sale of Oil and Gas Properties [Member] [Member]

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 us-gaap:GainLossOnSaleOfOilAndGasPropertiesMember
19 Gain (Loss) on Disposition of Other Assets [Member] [Member]

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 us-gaap:GainLossOnDispositionOfOtherAssetsMember
20 Gain (Loss) on Sale of Interest in Projects [Member] [Member]

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 us-gaap:GainLossOnSaleOfInterestInProjectsMember
21 Gain (Loss) on Condemnation, Net of Tax [Member] [Member]

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 us-gaap:GainLossOnCondemnationNetOfTaxMember
22 Gain (Loss) on Derivatives [Member] [Member]

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 us-gaap:GainLossOnDerivativesMember
23 Gain (Loss) from Price Risk Management Activity [Member] [Member]

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 us-gaap:GainLossFromPriceRiskManagementActivityMember
24 Gain (Loss) on Oil and Gas Hedging Activity [Member] [Member]

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 us-gaap:GainLossOnOilAndGasHedgingActivityMember
25 Gain (Loss) on Settlement of Derivative Instrument [Member] [Member]

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 us-gaap:GainLossOnSettlementOfDerivativeInstrumentMember
26 Fair Value Adjustments on Hedges and Derivative Contracts [Member] [Member]

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 us-gaap:FairValueAdjustmentsOnHedgesAndDerivativeContractsMember
27 Gains (Losses) on Sales of Assets [Member] [Member]

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 us-gaap:GainsLossesOnSalesOfAssetsMember
28 Gain (Loss) on Sale of Leased Assets, Net, Operating Leases [Member] [Member]

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 us-gaap:GainLossOnSaleOfLeasedAssetsNetOperatingLeasesMember
29 Gain (Loss) on Sale of Loans Receivable [Member] [Member]

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 us-gaap:GainLossOnSaleOfLoansReceivableMember
30 Gain (Loss) on Sale of Trade Receivables [Member] [Member]

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 us-gaap:GainLossOnSaleOfTradeReceivablesMember
31 Phase-in Plan Net Change in Amount of Costs Deferred for Rate-making Purposes [Member] [Member]

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 us-gaap:PhaseInPlanNetChangeInAmountOfCostsDeferredForRateMakingPurposesMember
32 Refunds Received Related to Revenue from Different Year [Member] [Member]

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 us-gaap:RefundsReceivedRelatedToRevenueFromDifferentYearMember
33 Allowance for Cost of Equity Funds Used During Construction [Member] [Member]

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 us-gaap:AllowanceForCostOfEquityFundsUsedDuringConstructionMember
34 Component of Other Income, Nonoperating [Line Items] [Line Items]

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 us-gaap:ComponentOfOtherIncomeNonoperatingLineItems
35 Schedule of Other Nonoperating Income, by Component [Table Text Block] [Concept] Text Block (HTML) For Period

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 us-gaap:ScheduleOfOtherNonoperatingIncomeByComponentTextBlock
36 Component of Other Income, Nonoperating [Hierarchy] [Abstract]

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 added:ComponentOtherIncomeNonoperatingHierarchy
37 Other Nonoperating Income [Concept] Monetary For Period Credit us-gaap:OtherNonoperatingIncome