Table: Other Liabilities Disclosures [Table]

Line Label Object Class Period Type Balance Name
1 Other Liabilities Disclosures [Table] [Table]

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added:OtherLiabilitiesDisclosuresTable
2 Legal Entity [Axis] [Axis]

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

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dei:EntityDomain
4 Other Liabilities Disclosures [Line Items] [Line Items]

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added:OtherLiabilitiesDisclosuresLineItems
5 Schedule of Other Assets and Other Liabilities [Table Text Block] [Concept] Text Block (HTML) For Period

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us-gaap:ScheduleOfOtherAssetsAndOtherLiabilitiesTableTextBlock
6 Other Liabilities Disclosure [Text Block] [Concept] Text Block (HTML) For Period

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us-gaap:OtherLiabilitiesDisclosureTextBlock
7 Other Liabilities, Current [Hierarchy] [Abstract]

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us-gaap:OtherLiabilitiesCurrentAbstract
8 Restructuring Reserve, Current [Concept] Monetary As Of Credit us-gaap:RestructuringReserveCurrent
9 Deposit Liability, Current [Concept] Monetary As Of Credit us-gaap:DepositLiabilityCurrent
10 Refundable Gas Costs [Concept] Monetary As Of Credit us-gaap:RefundableGasCosts
11 Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current [Concept] Monetary As Of Credit us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent
12 Other Sundry Liabilities, Current [Concept] Monetary As Of Credit us-gaap:OtherSundryLiabilitiesCurrent
13 Other Liabilities, Current [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesCurrent
14 Warrants and Rights Outstanding [Concept] Monetary As Of Credit us-gaap:WarrantsAndRightsOutstanding
15 Customer Advances and Deposits, Current [Roll Up] [Abstract]

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us-gaap:CustomerAdvancesAndDepositsCurrentAbstract
16 Customer Advances, Current [Concept] Monetary As Of Credit us-gaap:CustomerAdvancesCurrent
17 Customer Deposits, Current [Concept] Monetary As Of Credit us-gaap:CustomerDepositsCurrent
18 Customer Advances and Deposits, Current, Total [Concept] Monetary As Of Credit us-gaap:CustomerAdvancesAndDepositsCurrent
19 Other Liabilities, Noncurrent [Hierarchy] [Abstract]

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us-gaap:OtherLiabilitiesNoncurrentAbstract
20 Contributions in Aid of Construction [Concept] Monetary As Of Credit us-gaap:ContributionsInAidOfConstruction
21 Liability Above Market for Nonutility Generator Contracts, Noncurrent [Concept] Monetary As Of Credit us-gaap:LiabilityAboveMarketForNonutilityGeneratorContractsNoncurrent
22 Other Sundry Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherSundryLiabilitiesNoncurrent
23 Deferred Tax and Other Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent
24 Other Liabilities and Deferred Revenue, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesAndDeferredRevenueNoncurrent
25 Other Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesNoncurrent
26 Other Liabilities, Unclassified [Hierarchy] [Abstract]

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us-gaap:OtherLiabilitiesUnclassifiedAbstract
27 Estimated Litigation Liability [Concept] Monetary As Of Credit us-gaap:LitigationReserve
28 Guaranty Liabilities [Concept] Monetary As Of Credit us-gaap:GuarantyLiabilities
29 Letters of Credit Outstanding, Amount [Concept] Monetary As Of Credit us-gaap:LettersOfCreditOutstandingAmount
30 Restructuring Reserve [Concept] Monetary As Of Credit us-gaap:RestructuringReserve
31 Off-market Lease, Unfavorable [Concept] Monetary As Of Credit us-gaap:OffMarketLeaseUnfavorable
32 Financial Services Liabilities [Concept] Monetary As Of Credit us-gaap:FinancialServicesLiabilities
33 Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount [Concept] Monetary As Of Credit us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsAmount
34 Municipal Investment Agreements [Concept] Monetary As Of Credit us-gaap:MunicipalInvestmentAgreements
35 Other Sundry Liabilities [Concept] Monetary As Of Credit us-gaap:OtherSundryLiabilities
36 Other Liabilities [Concept] Monetary As Of Credit us-gaap:OtherLiabilities
37 Deferred Revenue and Credits [Roll Up] [Abstract]

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us-gaap:DeferredRevenueAndCreditsAbstract
38 Deferred Revenue [Concept] Monetary As Of Credit us-gaap:DeferredRevenue
39 Deferred Revenue, Leases, Net [Concept] Monetary As Of Credit us-gaap:DeferredRevenueLeasesNet
40 Deferred Gain on Sale of Property [Concept] Monetary As Of Credit us-gaap:DeferredGainOnSaleOfProperty
41 Deferred Rent Credit [Concept] Monetary As Of Credit us-gaap:DeferredRentCredit
42 Incentive from Lessor [Concept] Monetary As Of Credit us-gaap:IncentiveFromLessor
43 Advance Rent [Concept] Monetary As Of Credit us-gaap:AdvanceRent
44 Deferred Leasing Commissions [Concept] Monetary As Of Credit us-gaap:DeferredLeasingCommissions
45 Deferred Long-term Liability Charges [Concept] Monetary As Of Credit us-gaap:DeferredLongTermLiabilityCharges
46 Deferred Revenue and Credits, Total [Concept] Monetary As Of Credit us-gaap:DeferredRevenueAndCredits
47 Other Liabilities [Roll Up] [Abstract]

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us-gaap:OtherLiabilitiesAbstract
48 Other Liabilities, Current [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesCurrent
49 Other Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesNoncurrent
50 Other Liabilities, Total [Concept] Monetary As Of Credit us-gaap:OtherLiabilities
51 Other Sundry Liabilities [Roll Up] [Abstract]

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us-gaap:OtherSundryLiabilitiesAbstract
52 Other Sundry Liabilities, Current [Concept] Monetary As Of Credit us-gaap:OtherSundryLiabilitiesCurrent
53 Other Sundry Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherSundryLiabilitiesNoncurrent
54 Other Sundry Liabilities, Total [Concept] Monetary As Of Credit us-gaap:OtherSundryLiabilities
55 Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities, Noncurrent [Roll Up] [Abstract]

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us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansNoncurrentLiabilitiesAbstract
56 Defined Benefit Pension Plan, Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
57 Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
58 Other Postretirement Benefits Payable, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherPostretirementBenefitsPayableNoncurrent
59 Postemployment Benefits Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:PostemploymentBenefitsLiabilityNoncurrent
60 Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent
61 Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities [Roll Up] [Abstract]

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us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesAbstract
62 Defined Benefit Pension Plan, Liabilities [Concept] Monetary As Of Credit us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities
63 Other Postretirement Defined Benefit Plan, Liabilities [Concept] Monetary As Of Credit us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent
64 Other Postretirement Benefits Payable [Concept] Monetary As Of Credit us-gaap:OtherPostretirementBenefitsPayableCurrentAndNoncurrent
65 Postemployment Benefits Liability [Concept] Monetary As Of Credit us-gaap:PostemploymentBenefitsLiabilityCurrentAndNoncurrent
66 Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities, Total [Concept] Monetary As Of Credit us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent
67 Deferred Income Taxes [Hierarchy] [Abstract]

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us-gaap:DeferredIncomeTaxesAbstract
68 Deferred Income Taxes and Other Tax Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent
69 Deferred Income Taxes and Other Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent
70 Deferred Credits and Other Liabilities [Hierarchy] [Abstract]

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us-gaap:DeferredCreditsAndOtherLiabilitiesAbstract
71 Deferred Credits and Other Liabilities, Current [Concept] Monetary As Of Credit us-gaap:DeferredCreditsAndOtherLiabilitiesCurrent
72 Deferred Credits and Other Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredCreditsAndOtherLiabilitiesNoncurrent
73 Deferred Credits and Other Liabilities [Concept] Monetary As Of Credit us-gaap:DeferredCreditsAndOtherLiabilities