Table: Balance Sheet, Classified [Table]

Line Label Object Class Period Type Balance Name
1 Balance Sheet, Classified [Table] [Table]

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

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

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 dei:EntityDomain
4 Balance Sheet, Classified [Line Items] [Line Items]

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 added:BalanceSheetClassifiedLineItems
5 Assets [Roll Up] [Abstract]

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 us-gaap:AssetsAbstract
6 Assets, Current [Roll Up] [Abstract]

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 us-gaap:AssetsCurrentAbstract
7 Cash, Cash Equivalents, and Short-term Investments [Roll Up] [Abstract]

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 us-gaap:CashCashEquivalentsAndShortTermInvestmentsAbstract
8 Cash and Cash Equivalents, at Carrying Value [Roll Up] [Abstract]

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 us-gaap:CashAndCashEquivalentsAtCarryingValueAbstract
9 Cash [Concept] Monetary As Of Debit us-gaap:Cash
10 Cash Equivalents, at Carrying Value [Concept] Monetary As Of Debit us-gaap:CashEquivalentsAtCarryingValue
11 Cash and Cash Equivalents, at Carrying Value, Total [Concept] Monetary As Of Debit us-gaap:CashAndCashEquivalentsAtCarryingValue
12 Restricted Cash and Investments, Current [Roll Up] [Abstract]

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 us-gaap:RestrictedCashAndInvestmentsCurrentAbstract
13 Restricted Cash and Cash Equivalents, Current [Concept] Monetary As Of Debit us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
14 Marketable Securities, Restricted, Current [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesRestrictedCurrent
15 Restricted Investments, Current [Concept] Monetary As Of Debit us-gaap:RestrictedInvestmentsCurrent
16 Other Restricted Assets, Current [Concept] Monetary As Of Debit us-gaap:OtherRestrictedAssetsCurrent
17 Restricted Cash and Investments, Current, Total [Concept] Monetary As Of Debit us-gaap:RestrictedCashAndInvestmentsCurrent
18 Short-term Investments [Roll Up] [Abstract]

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 us-gaap:ShortTermInvestmentsAbstract
19 Marketable Securities, Current [Roll Up] [Abstract]

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 us-gaap:MarketableSecuritiesCurrentAbstract
20 Trading Securities, Current [Roll Up] [Abstract]

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 us-gaap:TradingSecuritiesCurrentAbstract
21 Trading Securities, Debt, Current [Concept] Monetary As Of Debit us-gaap:TradingSecuritiesDebtCurrent
22 Trading Securities, Equity, Current [Concept] Monetary As Of Debit us-gaap:TradingSecuritiesEquityCurrent
23 Trading Securities, Current, Total [Concept] Monetary As Of Debit us-gaap:TradingSecuritiesCurrent
24 Available-for-sale Securities, Current [Roll Up] [Abstract]

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 us-gaap:AvailableForSaleSecuritiesCurrentAbstract
25 Available-for-sale Securities, Debt Securities, Current [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
26 Available-for-sale Securities, Equity Securities, Current [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent
27 Available-for-sale Securities, Current, Total [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesCurrent
28 Held-to-maturity Securities, Current [Concept] Monetary As Of Debit us-gaap:HeldToMaturitySecuritiesCurrent
29 Other Marketable Securities, Current [Concept] Monetary As Of Debit us-gaap:OtherMarketableSecuritiesCurrent
30 Marketable Securities, Current, Total [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesCurrent
31 Marketable Securities, Current, Alternative [Roll Up] [Abstract]

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 us-gaap:MarketableSecuritiesCurrentAlternativeAbstract
32 Marketable Securities, Fixed Maturities, Current, Alternative [Roll Up] [Abstract]

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 us-gaap:MarketableSecuritiesFixedMaturitiesCurrentAlternativeAbstract
33 Trading Securities, Debt, Current [Concept] Monetary As Of Debit us-gaap:TradingSecuritiesDebtCurrent
34 Available-for-sale Securities, Debt Securities, Current [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
35 Marketable Securities, Fixed Maturities, Current, Total [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesFixedMaturitiesCurrent
36 Marketable Securities, Equity Securities, Current, Alternative [Roll Up] [Abstract]

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 us-gaap:MarketableSecuritiesEquitySecuritiesCurrentAlternativeAbstract
37 Trading Securities, Equity, Current [Concept] Monetary As Of Debit us-gaap:TradingSecuritiesEquityCurrent
38 Available-for-sale Securities, Equity Securities, Current [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent
39 Marketable Securities, Equity Securities, Current, Total [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesEquitySecuritiesCurrent
40 Held-to-maturity Securities, Current [Concept] Monetary As Of Debit us-gaap:HeldToMaturitySecuritiesCurrent
41 Other Marketable Securities, Current [Concept] Monetary As Of Debit us-gaap:OtherMarketableSecuritiesCurrent
42 Marketable Securities, Current, Total [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesCurrent
43 Other Short-term Investments [Concept] Monetary As Of Debit us-gaap:OtherShortTermInvestments
44 Short-term Investments, Total [Concept] Monetary As Of Debit us-gaap:ShortTermInvestments
45 Cash, Cash Equivalents, and Short-term Investments, Total [Concept] Monetary As Of Debit us-gaap:CashCashEquivalentsAndShortTermInvestments
46 Receivables, Net, Current [Roll Up] [Abstract]

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*

 us-gaap:ReceivablesNetCurrentAbstract
47 Accounts, Notes, Loans and Financing Receivable, Net, Current [Roll Up] [Abstract]

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 us-gaap:AccountsNotesAndLoansReceivableNetCurrentAbstract
48 Accounts Receivable, Net, Current [Roll Up] [Abstract]

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 us-gaap:AccountsReceivableNetCurrentAbstract
49 Accounts Receivable, Gross, Current [Concept] Monetary As Of Debit us-gaap:AccountsReceivableGrossCurrent
50 Allowance for Doubtful Accounts Receivable, Current [Concept] Monetary As Of Credit us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
51 Accounts Receivable, Net, Current, Total [Concept] Monetary As Of Debit us-gaap:AccountsReceivableNetCurrent
52 Notes, Loans and Financing Receivable, Net, Current [Roll Up] [Abstract]

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 us-gaap:NotesAndLoansReceivableNetCurrentAbstract
53 Notes, Loans and Financing Receivable, Gross, Current [Concept] Monetary As Of Debit us-gaap:NotesAndLoansReceivableGrossCurrent
54 Allowance for Notes, Loans and Financing Receivable, Current [Concept] Monetary As Of Credit us-gaap:AllowanceForNotesAndLoansReceivableCurrent
55 Notes, Loans and Financing Receivable, Net, Current, Total [Concept] Monetary As Of Debit us-gaap:NotesAndLoansReceivableNetCurrent
56 Accounts, Notes, Loans and Financing Receivable, Net, Current, Total [Concept] Monetary As Of Debit us-gaap:AccountsNotesAndLoansReceivableNetCurrent
57 Unbilled Receivables, Current [Concept] Monetary As Of Debit us-gaap:UnbilledReceivablesCurrent
58 Due from Related Parties, Current [Concept] Monetary As Of Debit us-gaap:DueFromRelatedPartiesCurrent
59 Receivables, Long-term Contracts or Programs [Concept] Monetary As Of Debit us-gaap:ReceivablesLongTermContractsOrPrograms
60 Accounts Receivable from Securitization [Concept] Monetary As Of Debit us-gaap:AccountsReceivableFromSecuritization
61 Accounts and Other Receivables, Net, Current [Concept] Monetary As Of Debit us-gaap:AccountsAndOtherReceivablesNetCurrent
62 Receivables, Net, Current, Total [Concept] Monetary As Of Debit us-gaap:ReceivablesNetCurrent
63 Inventory, Net [Roll Up] [Abstract]

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 us-gaap:InventoryNetAbstract
64 Inventory, Finished Goods [Concept] Monetary As Of Debit us-gaap:InventoryFinishedGoods
65 Inventory for Long-term Contracts or Programs [Concept] Monetary As Of Debit us-gaap:InventoryForLongTermContractsOrPrograms
66 Inventory, Work in Process [Concept] Monetary As Of Debit us-gaap:InventoryWorkInProcess
67 Inventory, Raw Materials [Concept] Monetary As Of Debit us-gaap:InventoryRawMaterials
68 Other Inventory, Supplies [Concept] Monetary As Of Debit us-gaap:OtherInventorySupplies
69 Other Inventory [Concept] Monetary As Of Debit us-gaap:OtherInventory
70 Inventory Valuation Reserves [Concept] Monetary As Of Credit us-gaap:InventoryValuationReserves
71 Inventory, LIFO Reserve [Concept] Monetary As Of Credit us-gaap:InventoryLIFOReserve
72 Inventory, Net, Total [Concept] Monetary As Of Debit us-gaap:InventoryNet
73 Prepaid Expense and Other Assets, Current [Roll Up] [Abstract]

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 us-gaap:PrepaidExpenseAndOtherAssetsCurrentAbstract
74 Prepaid Expense, Current [Roll Up] [Abstract]

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 us-gaap:PrepaidExpenseCurrentAbstract
75 Prepaid Insurance [Concept] Monetary As Of Debit us-gaap:PrepaidInsurance
76 Prepaid Rent [Concept] Monetary As Of Debit us-gaap:PrepaidRent
77 Prepaid Advertising [Concept] Monetary As Of Debit us-gaap:PrepaidAdvertising
78 Prepaid Royalties [Concept] Monetary As Of Debit us-gaap:PrepaidRoyalties
79 Supplies [Concept] Monetary As Of Debit us-gaap:Supplies
80 Prepaid Interest [Concept] Monetary As Of Debit us-gaap:PrepaidInterest
81 Prepaid Taxes [Concept] Monetary As Of Debit us-gaap:PrepaidTaxes
82 Other Prepaid Expense, Current [Concept] Monetary As Of Debit us-gaap:OtherPrepaidExpenseCurrent
83 Prepaid Expense, Current, Total [Concept] Monetary As Of Debit us-gaap:PrepaidExpenseCurrent
84 Other Assets, Current [Concept] Monetary As Of Debit us-gaap:OtherAssetsCurrent
85 Prepaid Expense and Other Assets, Current, Total [Concept] Monetary As Of Debit us-gaap:PrepaidExpenseAndOtherAssetsCurrent
86 Deferred Costs, Current [Roll Up] [Abstract]

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 us-gaap:DeferredCostsCurrentAbstract
87 Deferred Finance Costs, Current, Net [Concept] Monetary As Of Debit us-gaap:DeferredFinanceCostsCurrentNet
88 Deferred Costs, Leasing, Net, Current [Concept] Monetary As Of Debit us-gaap:DeferredCostsLeasingNetCurrent
89 Deferred Fuel Cost [Roll Up] [Abstract]

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 us-gaap:DeferredFuelCostAbstract
90 Deferred Gas Cost [Concept] Monetary As Of Debit us-gaap:DeferredGasCost
91 Deferred Electric Cost [Concept] Monetary As Of Debit us-gaap:DeferredElectricCost
92 Deferred Fuel Cost, Total [Concept] Monetary As Of Debit us-gaap:DeferredFuelCost
93 Deferred Storm and Property Reserve Deficiency, Current [Concept] Monetary As Of Debit us-gaap:DeferredStormAndPropertyReserveDeficiencyCurrent
94 Deferred Set-up Costs, Current [Concept] Monetary As Of Debit us-gaap:DeferredSetUpCostsCurrent
95 Deferred Subscriber Acquisition Costs, Current [Concept] Monetary As Of Debit us-gaap:DeferredSubscriberAcquisitionCostsCurrent
96 Deferred Offering Costs [Concept] Monetary As Of Debit us-gaap:DeferredOfferingCosts
97 Other Deferred Costs, Net [Concept] Monetary As Of Debit us-gaap:OtherDeferredCostsNet
98 Deferred Costs, Current, Total [Concept] Monetary As Of Debit us-gaap:DeferredCostsCurrent
99 Derivative Instruments and Hedges, Assets [Roll Up] [Abstract]

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 us-gaap:DerivativeInstrumentsAndHedgesAbstract
100 Derivative Assets, Current [Concept] Monetary As Of Debit us-gaap:DerivativeAssetsCurrent
101 Hedging Assets, Current [Concept] Monetary As Of Debit us-gaap:HedgingAssetsCurrent
102 Commodity Contract Asset, Current [Concept] Monetary As Of Debit us-gaap:CommodityContractAssetCurrent
103 Energy Marketing Contracts Assets, Current [Concept] Monetary As Of Debit us-gaap:EnergyMarketingContractsAssetsCurrent
104 Derivative Instruments and Hedges, Assets, Total [Concept] Monetary As Of Debit us-gaap:DerivativeInstrumentsAndHedges
105 Assets Held-for-sale, Current [Roll Up] [Abstract]

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 us-gaap:AssetsHeldForSaleCurrentAbstract
106 Inventories, Property Held-for-sale, Current [Concept] Monetary As Of Debit us-gaap:InventoriesPropertyHeldForSaleCurrent
107 Receivables Held-for-sale, Net Amount [Concept] Monetary As Of Debit us-gaap:ReceivablesHeldForSaleNetAmount
108 Other Assets Held-for-sale, Current [Concept] Monetary As Of Debit us-gaap:OtherAssetsHeldForSaleCurrent
109 Assets Held-for-sale, Current, Total [Concept] Monetary As Of Debit us-gaap:AssetsHeldForSaleCurrent
110 Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing and Sales Type Leases, Current [Concept] Monetary As Of Debit us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesCurrent
111 Deferred Tax Assets, Net, Current [Concept] Monetary As Of Debit us-gaap:DeferredTaxAssetsNetCurrent
112 Income Taxes Receivable, Current [Concept] Monetary As Of Debit us-gaap:IncomeTaxesReceivable
113 Regulatory Assets, Current [Concept] Monetary As Of Debit us-gaap:RegulatoryAssetsCurrent
114 Asset Recovery Damaged Property Costs, Current [Concept] Monetary As Of Debit us-gaap:AssetRecoveryDamagedPropertyCostsCurrent
115 Funds Held for Clients [Concept] Monetary As Of Debit us-gaap:FundsHeldForClients
116 Deferred Rent Asset, Net, Current [Concept] Monetary As Of Debit us-gaap:DeferredRentAssetNetCurrent
117 Advances on Inventory Purchases [Concept] Monetary As Of Debit us-gaap:AdvancesOnInventoryPurchases
118 Advance Royalties, Current [Concept] Monetary As Of Debit us-gaap:AdvanceRoyaltiesCurrent
119 Costs in Excess of Billings on Uncompleted Contracts or Programs Expected to be Collected within One Year [Concept] Monetary As Of Debit us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
120 Health Care Trust Fund, Assets Limited as to Use, Current [Concept] Monetary As Of Debit us-gaap:HealthCareTrustFundAssetsLimitedAsToUseCurrent
121 Assets of Disposal Group, Including Discontinued Operation, Current [Concept] Monetary As Of Debit us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
122 Deposits Assets, Current [Concept] Monetary As Of Debit us-gaap:DepositsAssetsCurrent
123 Assets, Current, Total [Concept] Monetary As Of Debit us-gaap:AssetsCurrent
124 Assets, Noncurrent [Roll Up] [Abstract]

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 us-gaap:AssetsNoncurrentAbstract
125 Inventory, Noncurrent [Roll Up] [Abstract]

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 us-gaap:InventoryNoncurrentAbstract
126 Inventory, Gas in Storage Underground, Noncurrent [Concept] Monetary As Of Debit us-gaap:InventoryGasInStorageUndergroundNoncurrent
127 Inventory, Drilling, Noncurrent [Concept] Monetary As Of Debit us-gaap:InventoryDrillingNoncurrent
128 Other Inventory, Noncurrent [Concept] Monetary As Of Debit us-gaap:OtherInventoryNoncurrent
129 Inventory, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:InventoryNoncurrent
130 Property, Plant and Equipment, Net [Roll Up] [Abstract]

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 us-gaap:PropertyPlantAndEquipmentNetAbstract
131 Property, Plant and Equipment, Gross [Roll Up] [Abstract]

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 us-gaap:PropertyPlantAndEquipmentGrossAbstract
132 Land [Concept] Monetary As Of Debit us-gaap:Land
133 Buildings and Improvements, Gross [Concept] Monetary As Of Debit us-gaap:BuildingsAndImprovementsGross
134 Machinery and Equipment, Gross [Concept] Monetary As Of Debit us-gaap:MachineryAndEquipmentGross
135 Furniture and Fixtures, Gross [Concept] Monetary As Of Debit us-gaap:FurnitureAndFixturesGross
136 Capitalized Computer Software, Gross [Concept] Monetary As Of Debit us-gaap:CapitalizedComputerSoftwareGross
137 Construction in Progress, Gross [Concept] Monetary As Of Debit us-gaap:ConstructionInProgressGross
138 Leasehold Improvements, Gross [Concept] Monetary As Of Debit us-gaap:LeaseholdImprovementsGross
139 Capital Leased Assets, Gross [Concept] Monetary As Of Debit us-gaap:CapitalLeasedAssetsGross
140 Property Subject to or Available for Operating Lease, Gross [Concept] Monetary As Of Debit us-gaap:PropertySubjectToOrAvailableForOperatingLeaseGross
141 Timber and Timberlands [Concept] Monetary As Of Debit us-gaap:TimberAndTimberlands
142 Property, Plant and Equipment, Other, Gross [Concept] Monetary As Of Debit us-gaap:PropertyPlantAndEquipmentOther
143 Property, Plant and Equipment, Gross, Total [Concept] Monetary As Of Debit us-gaap:PropertyPlantAndEquipmentGross
144 Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment [Concept] Monetary As Of Credit us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
145 Property, Plant and Equipment, Net, Total [Concept] Monetary As Of Debit us-gaap:PropertyPlantAndEquipmentNet
146 Long-term Investments and Receivables, Net [Roll Up] [Abstract]

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 us-gaap:LongTermInvestmentsAndReceivablesNetAbstract
147 Long-term Investments [Roll Up] [Abstract]

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 us-gaap:LongTermInvestmentsAbstract
148 Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Roll Up] [Abstract]

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 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract
149 Equity Method Investments [Concept] Monetary As Of Debit us-gaap:EquityMethodInvestments
150 Cost Method Investments [Concept] Monetary As Of Debit us-gaap:CostMethodInvestments
151 Advances to Affiliate [Concept] Monetary As Of Debit us-gaap:AdvancesToAffiliate
152 Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total [Concept] Monetary As Of Debit us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
153 Marketable Securities, Noncurrent [Roll Up] [Abstract]

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 us-gaap:MarketableSecuritiesNoncurrentAbstract
154 Available-for-sale Securities, Noncurrent [Roll Up] [Abstract]

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 us-gaap:AvailableForSaleSecuritiesNoncurrentAbstract
155 Available-for-sale Securities, Equity Securities, Noncurrent [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesEquitySecuritiesNoncurrent
156 Available-for-sale Securities, Debt Securities, Noncurrent [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
157 Available-for-sale Securities, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:AvailableForSaleSecuritiesNoncurrent
158 Held-to-maturity Securities, Noncurrent [Concept] Monetary As Of Debit us-gaap:HeldToMaturitySecuritiesNoncurrent
159 Other Marketable Securities, Noncurrent [Concept] Monetary As Of Debit us-gaap:OtherMarketableSecuritiesNoncurrent
160 Marketable Securities, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesNoncurrent
161 Investment in Physical Commodities [Concept] Monetary As Of Debit us-gaap:InvestmentInPhysicalCommodities
162 Health Care Trust Fund, Assets Limited as to Use, Noncurrent [Concept] Monetary As Of Debit us-gaap:HealthCareTrustFundAssetsLimitedAsToUseNoncurrent
163 Other Long-term Investments [Concept] Monetary As Of Debit us-gaap:OtherLongTermInvestments
164 Long-term Investments, Total [Concept] Monetary As Of Debit us-gaap:LongTermInvestments
165 Accounts, Notes, Loans and Financing Receivable, Net, Noncurrent [Roll Up] [Abstract]

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 us-gaap:LongTermAccountsNotesAndLoansReceivableNetNoncurrentAbstract
166 Accounts Receivable, Net, Noncurrent [Roll Up] [Abstract]

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 us-gaap:AccountsReceivableNetNoncurrentAbstract
167 Accounts Receivable, Gross, Noncurrent [Concept] Monetary As Of Debit us-gaap:AccountsReceivableGrossNoncurrent
168 Allowance for Doubtful Accounts Receivable, Noncurrent [Concept] Monetary As Of Credit us-gaap:AllowanceForDoubtfulAccountsReceivableNoncurrent
169 Accounts Receivable, Net, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:AccountsReceivableNetNoncurrent
170 Notes, Loans and Financing Receivable, Net, Noncurrent [Roll Up] [Abstract]

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 us-gaap:NotesAndLoansReceivableNetNoncurrentAbstract
171 Notes, Loans and Financing Receivable, Gross, Noncurrent [Concept] Monetary As Of Debit us-gaap:NotesAndLoansReceivableGrossNoncurrent
172 Allowance for Notes, Loans and Financing Receivable, Noncurrent [Concept] Monetary As Of Credit us-gaap:AllowanceForNotesAndLoansReceivableNoncurrent
173 Notes, Loans and Financing Receivable, Net, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:NotesAndLoansReceivableNetNoncurrent
174 Accounts, Notes, Loans and Financing Receivable, Net, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:LongTermAccountsNotesAndLoansReceivableNetNoncurrent
175 Due from Related Parties, Noncurrent [Concept] Monetary As Of Debit us-gaap:DueFromRelatedPartiesNoncurrent
176 Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing and Sales Type Leases, Noncurrent [Concept] Monetary As Of Debit us-gaap:CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesNoncurrent
177 Long-term Investments and Receivables, Net, Total [Concept] Monetary As Of Debit us-gaap:LongTermInvestmentsAndReceivablesNet
178 Goodwill [Concept] Monetary As Of Debit us-gaap:Goodwill
179 Intangible Assets, Net (Excluding Goodwill) [Roll Up] [Abstract]

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 us-gaap:IntangibleAssetsNetExcludingGoodwillAbstract
180 Indefinite-Lived Intangible Assets (Excluding Goodwill) [Roll Up] [Abstract]

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 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwillAbstract
181 Indefinite-Lived Contractual Rights [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedContractualRights
182 Indefinite-Lived Franchise Rights [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedFranchiseRights
183 Indefinite-Lived License Agreements [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedLicenseAgreements
184 Indefinite-Lived Trademarks [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedTrademarks
185 Indefinite-Lived Trade Names [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedTradeNames
186 Indefinite-Lived Trade Dress [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedTradeDress
187 Indefinite-Lived Trade Secrets [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedTradeSecrets
188 Other Indefinite-lived Intangible Assets [Concept] Monetary As Of Debit us-gaap:OtherIndefiniteLivedIntangibleAssets
189 Indefinite-Lived Intangible Assets (Excluding Goodwill), Total [Concept] Monetary As Of Debit us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
190 Finite-Lived Intangible Assets, Net [Roll Up] [Abstract]

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 us-gaap:FiniteLivedIntangibleAssetsNetAbstract
191 Finite-Lived Intangible Assets, Gross [Roll Up] [Abstract]

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 us-gaap:FiniteLivedIntangibleAssetsGrossAbstract
192 Finite-Lived Computer Software, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedComputerSoftwareGross
193 Finite-Lived Contractual Rights, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedContractualRightsGross
194 Finite-Lived Copyrights, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedCopyrightsGross
195 Finite-Lived Customer Lists, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedCustomerListsGross
196 Finite-Lived Customer Relationships, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedCustomerRelationshipsGross
197 Finite-Lived Distribution Rights, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedDistributionRightsGross
198 Finite-Lived Franchise Rights, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedFranchiseRightsGross
199 Finite-Lived License Agreements, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedLicenseAgreementsGross
200 Finite-Lived Media Content, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedMediaContentGross
201 Finite-Lived Noncompete Agreements, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedNoncompeteAgreementsGross
202 Finite-Lived Coal Supply Agreement, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedCoalSupplyAgreementGross
203 Finite-Lived Intangible Asset, Off-market Lease, Favorable, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedIntangibleAssetOffMarketLeaseFavorableGross
204 Finite-Lived Transmission Service Agreement, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedTransmissionServiceAgreementGross
205 Finite-Lived Patents, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedPatentsGross
206 Finite-Lived Royalty, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedRoyaltyGross
207 Finite-Lived Trademarks, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedTrademarksGross
208 Finite-Lived Trade Names, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedTradeNamesGross
209 Finite-Lived Trade Secrets, Gross [Concept] Monetary As Of Debit us-gaap:FiniteLivedTradeSecretsGross
210 Other Finite-Lived Intangible Assets, Gross [Concept] Monetary As Of Debit us-gaap:OtherFiniteLivedIntangibleAssetsGross
211 Finite-Lived Intangible Assets, Gross, Total [Concept] Monetary As Of Debit us-gaap:FiniteLivedIntangibleAssetsGross
212 Finite-Lived Intangible Assets, Accumulated Amortization [Concept] Monetary As Of Credit us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
213 Finite-Lived Intangible Assets, Net, Total [Concept] Monetary As Of Debit us-gaap:FiniteLivedIntangibleAssetsNet
214 Intangible Assets, Net (Excluding Goodwill), Total [Concept] Monetary As Of Debit us-gaap:IntangibleAssetsNetExcludingGoodwill
215 Prepaid Expense and Other Assets, Noncurrent [Roll Up] [Abstract]

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 us-gaap:PrepaidExpenseAndOtherAssetsNoncurrentAbstract
216 Prepaid Expense, Noncurrent [Roll Up] [Abstract]

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 us-gaap:PrepaidExpenseNoncurrentAbstract
217 Prepaid Expense Other, Noncurrent [Concept] Monetary As Of Debit us-gaap:PrepaidExpenseOtherNoncurrent
218 Prepaid Mineral Royalties, Noncurrent [Concept] Monetary As Of Debit us-gaap:PrepaidMineralRoyaltiesNoncurrent
219 Prepaid Expense, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:PrepaidExpenseNoncurrent
220 Other Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:OtherAssetsNoncurrent
221 Prepaid Expense and Other Assets, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:PrepaidExpenseAndOtherAssetsNoncurrent
222 Derivative Instruments and Hedges, Noncurrent [Roll Up] [Abstract]

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 us-gaap:DerivativeInstrumentsAndHedgesNoncurrentAbstract
223 Derivative Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:DerivativeAssetsNoncurrent
224 Hedging Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:HedgingAssetsNoncurrent
225 Commodity Contract Asset, Noncurrent [Concept] Monetary As Of Debit us-gaap:CommodityContractAssetNoncurrent
226 Energy Marketing Contracts Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:EnergyMarketingContractsAssetsNoncurrent
227 Gas Purchase Contract, Noncurrent [Concept] Monetary As Of Debit us-gaap:GasPurchaseContractNet
228 Derivative Instruments and Hedges, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:DerivativeInstrumentsAndHedgesNoncurrent
229 Assets Held-for-sale, Long Lived [Roll Up] [Abstract]

*

*

 us-gaap:AssetsHeldForSaleLongLivedAbstract
230 Assets Held-for-sale, Capital Leased Assets, Net [Concept] Monetary As Of Debit us-gaap:AssetsHeldForSaleCapitalLeasedAssetsNet
231 Assets Held-for-sale, Property, Plant and Equipment [Concept] Monetary As Of Debit us-gaap:AssetsHeldForSalePropertyPlantAndEquipment
232 Assets Held-for-sale, Other, Noncurrent [Concept] Monetary As Of Debit us-gaap:AssetsHeldForSaleOtherNoncurrent
233 Assets Held-for-sale, Long Lived, Total [Concept] Monetary As Of Debit us-gaap:AssetsHeldForSaleLongLived
234 Regulated Entity, Other Assets, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:RegulatedEntityOtherAssetsNoncurrentAbstract
235 Regulatory Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:RegulatoryAssetsNoncurrent
236 Competitive Transition Charge, Noncurrent [Concept] Monetary As Of Debit us-gaap:CompetitiveTransitionChargeNoncurrent
237 Securitized Regulatory Transition Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:SecuritizedRegulatoryTransitionAssetsNoncurrent
238 Demand Side Management Program Costs, Noncurrent [Concept] Monetary As Of Debit us-gaap:DemandSideManagementProgramCostsNoncurrent
239 Unamortized Loss Reacquired Debt, Noncurrent [Concept] Monetary As Of Debit us-gaap:UnamortizedLossReacquiredDebtNoncurrent
240 Decommissioning Fund Investments [Concept] Monetary As Of Debit us-gaap:DecommissioningFundInvestments
241 Asset Recovery Damaged Property Costs, Noncurrent [Concept] Monetary As Of Debit us-gaap:AssetRecoveryDamagedPropertyCostsNoncurrent
242 Deferred Storm and Property Reserve Deficiency, Noncurrent [Concept] Monetary As Of Debit us-gaap:DeferredStormAndPropertyReserveDeficiencyNoncurrent
243 Investments in Power and Distribution Projects [Concept] Monetary As Of Debit us-gaap:InvestmentsInPowerAndDistributionProjects
244 Phase-in Plan, Amount of Costs Deferred for Rate-making Purposes [Concept] Monetary As Of Debit us-gaap:PhaseInPlanAmountOfCostsDeferredForRateMakingPurposes
245 Unamortized Debt Issuance Expense [Concept] Monetary As Of Debit us-gaap:UnamortizedDebtIssuanceExpense
246 Regulated Entity, Other Assets, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:RegulatedEntityOtherAssetsNoncurrent
247 Prepaid Pension Costs [Concept] Monetary As Of Debit us-gaap:PrepaidPensionCosts
248 Investments and Other Noncurrent Assets [Concept] Monetary As Of Debit us-gaap:InvestmentsAndOtherNoncurrentAssets
249 Deferred Costs, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:DeferredCostsNoncurrentAbstract
250 Deferred Finance Costs, Noncurrent, Net [Concept] Monetary As Of Debit us-gaap:DeferredFinanceCostsNoncurrentNet
251 Deferred Costs, Leasing, Net, Noncurrent [Concept] Monetary As Of Debit us-gaap:DeferredCostsLeasingNetNoncurrent
252 Deferred Set-up Costs, Noncurrent [Concept] Monetary As Of Debit us-gaap:DeferredSetUpCostsNoncurrent
253 Deferred Subscriber Acquisition Costs, Noncurrent [Concept] Monetary As Of Debit us-gaap:DeferredSubscriberAcquisitionCostsNoncurrent
254 Incentive to Lessee [Concept] Monetary As Of Debit us-gaap:IncentiveToLessee
255 Deferred Costs, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:DeferredCosts
256 Deferred Tax Assets, Net, Noncurrent [Concept] Monetary As Of Debit us-gaap:DeferredTaxAssetsNetNoncurrent
257 Deposits Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:DepositsAssetsNoncurrent
258 Costs in Excess of Billings on Uncompleted Contracts or Programs Expected to be Collected after One Year [Concept] Monetary As Of Debit us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear
259 Insurance Receivable for Malpractice, Noncurrent [Concept] Monetary As Of Debit us-gaap:InsuranceReceivableForMalpracticeNoncurrent
260 Deferred Rent Receivables, Net, Noncurrent [Concept] Monetary As Of Debit us-gaap:DeferredRentReceivablesNetNoncurrent
261 Assets Held-in-trust, Noncurrent [Concept] Monetary As Of Debit us-gaap:AssetsHeldInTrustNoncurrent
262 Defined Benefit Plan, Assets for Plan Benefits, Noncurrent [Concept] Monetary As Of Debit us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
263 Restricted Cash and Investments, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:RestrictedCashAndInvestmentsNoncurrentAbstract
264 Restricted Cash and Cash Equivalents, Noncurrent [Concept] Monetary As Of Debit us-gaap:RestrictedCashAndCashEquivalentsNoncurrent
265 Marketable Securities, Restricted, Noncurrent [Concept] Monetary As Of Debit us-gaap:MarketableSecuritiesRestrictedNoncurrent
266 Restricted Investments, Noncurrent [Concept] Monetary As Of Debit us-gaap:RestrictedInvestmentsNoncurrent
267 Other Restricted Assets, Noncurrent [Concept] Monetary As Of Debit us-gaap:OtherRestrictedAssetsNoncurrent
268 Restricted Cash and Investments, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:RestrictedCashAndInvestmentsNoncurrent
269 Assets of Disposal Group, Including Discontinued Operation, Noncurrent [Concept] Monetary As Of Debit us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
270 Advance Royalties, Noncurrent [Concept] Monetary As Of Debit us-gaap:AdvanceRoyaltiesNoncurrent
271 Assets, Noncurrent, Total [Concept] Monetary As Of Debit us-gaap:AssetsNoncurrent
272 Assets, Total [Concept] Monetary As Of Debit us-gaap:Assets
273 Liabilities and Equity [Roll Up] [Abstract]

*

*

 us-gaap:LiabilitiesAndStockholdersEquityAbstract
274 Liabilities [Roll Up] [Abstract]

*

*

 us-gaap:LiabilitiesAbstract
275 Liabilities, Current [Roll Up] [Abstract]

*

*

 us-gaap:LiabilitiesCurrentAbstract
276 Accounts Payable and Accrued Liabilities, Current [Roll Up] [Abstract]

*

*

 us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAbstract
277 Accounts Payable, Current [Concept] Monetary As Of Credit us-gaap:AccountsPayableCurrent
278 Accrued Liabilities, Current [Concept] Monetary As Of Credit us-gaap:AccruedLiabilitiesCurrent
279 Employee-related Liabilities, Current [Concept] Monetary As Of Credit us-gaap:EmployeeRelatedLiabilitiesCurrent
280 Taxes Payable, Current [Roll Up] [Abstract]

*

*

 us-gaap:TaxesPayableCurrentAbstract
281 Accrued Income Taxes, Current [Concept] Monetary As Of Credit us-gaap:AccruedIncomeTaxesCurrent
282 Sales and Excise Tax Payable, Current [Concept] Monetary As Of Credit us-gaap:SalesAndExciseTaxPayableCurrent
283 Accrual for Taxes Other than Income Taxes, Current [Concept] Monetary As Of Credit us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent
284 Taxes Payable, Current, Total [Concept] Monetary As Of Credit us-gaap:TaxesPayableCurrent
285 Interest and Dividends Payable, Current [Concept] Monetary As Of Credit us-gaap:InterestAndDividendsPayableCurrent
286 Accounts Payable and Other Accrued Liabilities, Current [Concept] Monetary As Of Credit us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent
287 Accounts Payable and Accrued Liabilities, Current, Total [Concept] Monetary As Of Credit us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
288 Debt, Current [Roll Up] [Abstract]

*

*

 us-gaap:DebtCurrentAbstract
289 Short-term Debt [Roll Up] [Abstract]

*

*

 us-gaap:ShortTermBorrowingsAbstract
290 Bank Overdrafts [Concept] Monetary As Of Credit us-gaap:BankOverdrafts
291 Commercial Paper [Concept] Monetary As Of Credit us-gaap:CommercialPaper
292 Bridge Loan [Concept] Monetary As Of Credit us-gaap:BridgeLoan
293 Construction Loan [Concept] Monetary As Of Credit us-gaap:ConstructionLoan
294 Short-term Bank Loans and Notes Payable [Concept] Monetary As Of Credit us-gaap:ShortTermBankLoansAndNotesPayable
295 Short-term Non-bank Loans and Notes Payable [Concept] Monetary As Of Credit us-gaap:ShortTermNonBankLoansAndNotesPayable
296 Other Short-term Borrowings [Concept] Monetary As Of Credit us-gaap:OtherShortTermBorrowings
297 Short-term Debt, Total [Concept] Monetary As Of Credit us-gaap:ShortTermBorrowings
298 Long-term Debt and Capital Lease Obligations, Current [Roll Up] [Abstract]

*

*

 us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrentAbstract
299 Long-term Debt, Current Maturities [Roll Up] [Abstract]

*

*

 us-gaap:LongTermDebtCurrentAbstract
300 Secured Debt, Current [Concept] Monetary As Of Credit us-gaap:SecuredDebtCurrent
301 Convertible Debt, Current [Concept] Monetary As Of Credit us-gaap:ConvertibleDebtCurrent
302 Unsecured Debt, Current [Concept] Monetary As Of Credit us-gaap:UnsecuredDebtCurrent
303 Subordinated Debt, Current [Concept] Monetary As Of Credit us-gaap:SubordinatedDebtCurrent
304 Convertible Subordinated Debt, Current [Concept] Monetary As Of Credit us-gaap:ConvertibleSubordinatedDebtCurrent
305 Long-term Commercial Paper, Current [Concept] Monetary As Of Credit us-gaap:LongTermCommercialPaperCurrent
306 Long-term Construction Loan, Current [Concept] Monetary As Of Credit us-gaap:LongTermConstructionLoanCurrent
307 Long-term Transition Bond, Current [Concept] Monetary As Of Credit us-gaap:LongtermTransitionBondCurrent
308 Long-term Pollution Control Bond, Current [Concept] Monetary As Of Credit us-gaap:LongtermPollutionControlBondCurrent
309 Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Current [Concept] Monetary As Of Credit us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustCurrent
310 Other Long-term Debt, Current [Concept] Monetary As Of Credit us-gaap:OtherLongTermDebtCurrent
311 Line of Credit, Current [Concept] Monetary As Of Credit us-gaap:LinesOfCreditCurrent
312 Notes and Loans Payable, Current [Roll Up] [Abstract]

*

*

 us-gaap:NotesAndLoansPayableCurrentAbstract
313 Notes Payable, Current [Roll Up] [Abstract]

*

*

 us-gaap:NotesPayableCurrentAbstract
314 Medium-term Notes, Current [Concept] Monetary As Of Credit us-gaap:MediumtermNotesCurrent
315 Convertible Notes Payable, Current [Concept] Monetary As Of Credit us-gaap:ConvertibleNotesPayableCurrent
316 Notes Payable to Bank, Current [Concept] Monetary As Of Credit us-gaap:NotesPayableToBankCurrent
317 Senior Notes, Current [Concept] Monetary As Of Credit us-gaap:SeniorNotesCurrent
318 Junior Subordinated Notes, Current [Concept] Monetary As Of Credit us-gaap:JuniorSubordinatedNotesCurrent
319 Other Notes Payable, Current [Concept] Monetary As Of Credit us-gaap:OtherNotesPayableCurrent
320 Notes Payable, Current, Total [Concept] Monetary As Of Credit us-gaap:NotesPayableCurrent
321 Loans Payable, Current [Roll Up] [Abstract]

*

*

 us-gaap:LoansPayableCurrentAbstract
322 Loans Payable to Bank, Current [Concept] Monetary As Of Credit us-gaap:LoansPayableToBankCurrent
323 Other Loans Payable, Current [Concept] Monetary As Of Credit us-gaap:OtherLoansPayableCurrent
324 Loans Payable, Current, Total [Concept] Monetary As Of Credit us-gaap:LoansPayableCurrent
325 Notes and Loans Payable, Current, Total [Concept] Monetary As Of Credit us-gaap:NotesAndLoansPayableCurrent
326 Special Assessment Bond, Current [Concept] Monetary As Of Credit us-gaap:SpecialAssessmentBondCurrent
327 Long-term Federal Home Loan Bank Advances, Current [Concept] Monetary As Of Credit us-gaap:FederalHomeLoanBankAdvancesCurrent
328 Long-term Debt, Current Maturities, Total [Concept] Monetary As Of Credit us-gaap:LongTermDebtCurrent
329 Capital Lease Obligations, Current [Concept] Monetary As Of Credit us-gaap:CapitalLeaseObligationsCurrent
330 Long-term Debt and Capital Lease Obligations, Current, Total [Concept] Monetary As Of Credit us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
331 Debt, Current, Total [Concept] Monetary As Of Credit us-gaap:DebtCurrent
332 Deferred Compensation Liability, Current [Roll Up] [Abstract]

*

*

 us-gaap:DeferredCompensationLiabilityCurrentAbstract
333 Deferred Compensation Share-based Arrangements, Liability, Current [Concept] Monetary As Of Credit us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent
334 Deferred Compensation Cash-based Arrangements, Liability, Current [Concept] Monetary As Of Credit us-gaap:DeferredCompensationCashBasedArrangementsLiabilityCurrent
335 Other Deferred Compensation Arrangements, Liability, Current [Concept] Monetary As Of Credit us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrent
336 Deferred Compensation Liability, Current, Total [Concept] Monetary As Of Credit us-gaap:DeferredCompensationLiabilityCurrent
337 Deferred Revenue and Credits, Current [Roll Up] [Abstract]

*

*

 us-gaap:DeferredRevenueAndCreditsCurrentAbstract
338 Deferred Revenue, Current [Concept] Monetary As Of Credit us-gaap:DeferredRevenueCurrent
339 Deferred Air Traffic Revenue, Current [Concept] Monetary As Of Credit us-gaap:DeferredAirTrafficRevenue
340 Other Deferred Credits, Current [Concept] Monetary As Of Credit us-gaap:OtherDeferredCreditsCurrent
341 Deferred Rent Credit, Current [Concept] Monetary As Of Credit us-gaap:DeferredRentCreditCurrent
342 Deferred Revenue and Credits, Current, Total [Concept] Monetary As Of Credit us-gaap:DeferredRevenueAndCreditsCurrent
343 Billings in Excess of Cost, Current [Concept] Monetary As Of Credit us-gaap:BillingsInExcessOfCostCurrent
344 Derivative Instruments and Hedges, Liabilities [Roll Up] [Abstract]

*

*

 us-gaap:DerivativeInstrumentsAndHedgesLiabilitiesAbstract
345 Derivative Liabilities, Current [Concept] Monetary As Of Credit us-gaap:DerivativeLiabilitiesCurrent
346 Hedging Liabilities, Current [Concept] Monetary As Of Credit us-gaap:HedgingLiabilitiesCurrent
347 Energy Marketing Contract Liabilities, Current [Concept] Monetary As Of Credit us-gaap:EnergyMarketingContractLiabilitiesCurrent
348 Derivative Instruments and Hedges, Liabilities, Total [Concept] Monetary As Of Credit us-gaap:DerivativeInstrumentsAndHedgesLiabilities
349 Deferred Tax Liabilities, Current [Concept] Monetary As Of Credit us-gaap:DeferredTaxLiabilitiesCurrent
350 Liability for Uncertain Tax Positions, Current [Concept] Monetary As Of Credit us-gaap:LiabilityForUncertainTaxPositionsCurrent
351 Postemployment Benefits Liability, Current [Concept] Monetary As Of Credit us-gaap:PostemploymentBenefitsLiabilityCurrent
352 Securities Loaned [Concept] Monetary As Of Credit us-gaap:SecuritiesLoaned
353 Regulatory Liability, Current [Concept] Monetary As Of Credit us-gaap:RegulatoryLiabilityCurrent
354 Provision for Loss on Contracts [Concept] Monetary As Of Credit us-gaap:ProvisionForLossOnContracts
355 Estimated Litigation Liability, Current [Concept] Monetary As Of Credit us-gaap:LitigationReserveCurrent
356 Accrued Environmental Loss Contingencies, Current [Concept] Monetary As Of Credit us-gaap:AccruedEnvironmentalLossContingenciesCurrent
357 Asset Retirement Obligation, Current [Concept] Monetary As Of Credit us-gaap:AssetRetirementObligationCurrent
358 Accrued Capping, Closure, Post-closure and Environmental Costs [Concept] Monetary As Of Credit us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCosts
359 Accrued Reclamation Costs, Current [Concept] Monetary As Of Credit us-gaap:AccruedReclamationCostsCurrent
360 Deferred Gas Purchases, Current [Concept] Monetary As Of Credit us-gaap:DeferredGasPurchasesCurrent
361 Due to Related Parties, Current [Concept] Monetary As Of Credit us-gaap:DueToRelatedPartiesCurrent
362 Liabilities of Disposal Group, Including Discontinued Operation, Current [Concept] Monetary As Of Credit us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
363 Liabilities of Business Transferred under Contractual Arrangement, Current [Concept] Monetary As Of Credit us-gaap:LiabilitiesOfBusinessTransferredUnderContractualArrangementCurrent
364 Other Liabilities, Current [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesCurrent
365 Customer Refund Liability, Current [Concept] Monetary As Of Credit us-gaap:CustomerRefundLiabilityCurrent
366 Self Insurance Reserve, Current [Concept] Monetary As Of Credit us-gaap:SelfInsuranceReserveCurrent
367 Liabilities, Current, Total [Concept] Monetary As Of Credit us-gaap:LiabilitiesCurrent
368 Liabilities, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:LiabilitiesNoncurrentAbstract
369 Long-term Debt and Capital Lease Obligations [Roll Up] [Abstract]

*

*

 us-gaap:LongTermDebtAndCapitalLeaseObligationsAbstract
370 Long-term Debt, Excluding Current Maturities [Roll Up] [Abstract]

*

*

 us-gaap:LongTermDebtNoncurrentAbstract
371 Long-term Line of Credit, Noncurrent [Concept] Monetary As Of Credit us-gaap:LongTermLineOfCredit
372 Long-term Commercial Paper, Noncurrent [Concept] Monetary As Of Credit us-gaap:CommercialPaperNoncurrent
373 Long-term Construction Loan, Noncurrent [Concept] Monetary As Of Credit us-gaap:ConstructionLoanNoncurrent
374 Secured Long-term Debt, Noncurrent [Concept] Monetary As Of Credit us-gaap:SecuredLongTermDebt
375 Subordinated Long-term Debt, Noncurrent [Concept] Monetary As Of Credit us-gaap:SubordinatedLongTermDebt
376 Unsecured Long-term Debt, Noncurrent [Concept] Monetary As Of Credit us-gaap:UnsecuredLongTermDebt
377 Convertible Debt, Noncurrent [Concept] Monetary As Of Credit us-gaap:ConvertibleDebtNoncurrent
378 Convertible Subordinated Debt, Noncurrent [Concept] Monetary As Of Credit us-gaap:ConvertibleSubordinatedDebtNoncurrent
379 Long-term Transition Bond, Noncurrent [Concept] Monetary As Of Credit us-gaap:LongTermTransitionBond
380 Long-term Pollution Control Bond, Noncurrent [Concept] Monetary As Of Credit us-gaap:LongTermPollutionControlBond
381 Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent [Concept] Monetary As Of Credit us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustNoncurrent
382 Notes and Loans, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:LongTermNotesAndLoansAbstract
383 Notes Payable, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:LongTermNotesPayableAbstract
384 Medium-term Notes, Noncurrent [Concept] Monetary As Of Credit us-gaap:MediumtermNotesNoncurrent
385 Junior Subordinated Notes, Noncurrent [Concept] Monetary As Of Credit us-gaap:JuniorSubordinatedLongTermNotes
386 Senior Notes, Noncurrent [Concept] Monetary As Of Credit us-gaap:SeniorLongTermNotes
387 Convertible Notes Payable, Noncurrent [Concept] Monetary As Of Credit us-gaap:ConvertibleLongTermNotesPayable
388 Notes Payable to Bank, Noncurrent [Concept] Monetary As Of Credit us-gaap:NotesPayableToBankNoncurrent
389 Other Notes Payable, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLongTermNotesPayable
390 Notes Payable, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:LongTermNotesPayable
391 Loans Payable, Noncurrent [Roll Up] [Abstract]

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*

 us-gaap:LongTermLoansPayableAbstract
392 Loans Payable to Bank, Noncurrent [Concept] Monetary As Of Credit us-gaap:LongTermLoansFromBank
393 Other Loans Payable, Long-term, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLoansPayableLongTerm
394 Loans Payable, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:LongTermLoansPayable
395 Notes and Loans, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:LongTermNotesAndLoans
396 Special Assessment Bond, Noncurrent [Concept] Monetary As Of Credit us-gaap:SpecialAssessmentBondNoncurrent
397 Long-term Federal Home Loan Bank Advances, Noncurrent [Concept] Monetary As Of Credit us-gaap:LongtermFederalHomeLoanBankAdvancesNoncurrent
398 Other Long-term Debt, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLongTermDebtNoncurrent
399 Long-term Debt, Excluding Current Maturities, Total [Concept] Monetary As Of Credit us-gaap:LongTermDebtNoncurrent
400 Capital Lease Obligations, Noncurrent [Concept] Monetary As Of Credit us-gaap:CapitalLeaseObligationsNoncurrent
401 Long-term Debt and Capital Lease Obligations, Total [Concept] Monetary As Of Credit us-gaap:LongTermDebtAndCapitalLeaseObligations
402 Liabilities, Other than Long-term Debt, Noncurrent [Roll Up] [Abstract]

*

*

 us-gaap:LiabilitiesOtherThanLongTermDebtNoncurrentAbstract
403 Accounts Payable and Accrued Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:AccountsPayableAndAccruedLiabilitiesNoncurrent
404 Accrued Income Taxes, Noncurrent [Concept] Monetary As Of Credit us-gaap:AccruedIncomeTaxesNoncurrent
405 Deferred Compensation Liability, Classified, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent
406 Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent [Roll Up] [Abstract]

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*

 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrentAbstract
407 Defined Benefit Pension Plan, Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent
408 Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent
409 Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
410 Deferred Revenue and Credits, Noncurrent [Roll Up] [Abstract]

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*

 us-gaap:DeferredRevenueAndCreditsNoncurrentAbstract
411 Deferred Revenue, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredRevenueNoncurrent
412 Accumulated Deferred Investment Tax Credit [Concept] Monetary As Of Credit us-gaap:AccumulatedDeferredInvestmentTaxCredit
413 Deferred Rent Credit, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredRentCreditNoncurrent
414 Other Deferred Credits, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherDeferredCreditsNoncurrent
415 Incentive from Lessor [Concept] Monetary As Of Credit us-gaap:IncentiveFromLessor
416 Deferred Revenue and Credits, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:DeferredRevenueAndCreditsNoncurrent
417 Billings in Excess of Cost, Noncurrent [Concept] Monetary As Of Credit us-gaap:BillingsInExcessOfCostNoncurrent
418 Asset Retirement Obligations, Noncurrent [Roll Up] [Abstract]

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*

 us-gaap:AssetRetirementObligationsNoncurrentAbstract
419 Mine Reclamation and Closing Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:MineReclamationAndClosingLiabilityNoncurrent
420 Oil and Gas Reclamation Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:OilAndGasReclamationLiabilityNoncurrent
421 Accrued Capping, Closure, Post-closure and Environmental Costs, Noncurrent [Concept] Monetary As Of Credit us-gaap:AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent
422 Decommissioning Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:DecommissioningLiabilityNoncurrent
423 Spent Nuclear Fuel Obligation, Noncurrent [Concept] Monetary As Of Credit us-gaap:SpentNuclearFuelObligationNoncurrent
424 Asset Retirement Obligations, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:AssetRetirementObligationsNoncurrent
425 Customer Advances or Deposits, Noncurrent [Roll Up] [Abstract]

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*

 us-gaap:CustomerAdvancesOrDepositsNoncurrentAbstract
426 Customer Advances, Noncurrent [Concept] Monetary As Of Credit us-gaap:CustomerAdvancesNoncurrent
427 Customer Advances for Construction [Concept] Monetary As Of Credit us-gaap:CustomerAdvancesForConstruction
428 Customer Deposits, Noncurrent [Concept] Monetary As Of Credit us-gaap:CustomerDepositsNoncurrent
429 Customer Advances or Deposits, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:CustomerAdvancesOrDepositsNoncurrent
430 Deferred Tax Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DeferredTaxLiabilitiesNoncurrent
431 Liability for Uncertain Tax Positions, Noncurrent [Concept] Monetary As Of Credit us-gaap:LiabilityForUncertainTaxPositionsNoncurrent
432 Postemployment Benefits Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:PostemploymentBenefitsLiabilityNoncurrent
433 Accrued Environmental Loss Contingencies, Noncurrent [Concept] Monetary As Of Credit us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
434 Coal Supply Agreement Obligation, Noncurrent [Concept] Monetary As Of Credit us-gaap:CoalSupplyAgreementObligationNoncurrent
435 Customer Refund Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:CustomerRefundLiabilityNoncurrent
436 Derivative Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:DerivativeLiabilitiesNoncurrent
437 Off-market Lease, Unfavorable [Concept] Monetary As Of Credit us-gaap:OffMarketLeaseUnfavorable
438 Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent [Concept] Monetary As Of Credit us-gaap:SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent
439 Estimated Litigation Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:LitigationReserveNoncurrent
440 Regulatory Liability, Noncurrent [Concept] Monetary As Of Credit us-gaap:RegulatoryLiabilityNoncurrent
441 Restructuring Reserve, Noncurrent [Concept] Monetary As Of Credit us-gaap:RestructuringReserveNoncurrent
442 Due to Related Parties, Noncurrent [Concept] Monetary As Of Credit us-gaap:DueToRelatedPartiesNoncurrent
443 Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent [Concept] Monetary As Of Credit us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
444 Liabilities of Business Transferred under Contractual Arrangement, Noncurrent [Concept] Monetary As Of Credit us-gaap:LiabilitiesOfBusinessTransferredUnderContractualArrangementNoncurrent
445 Self Insurance Reserve, Noncurrent [Concept] Monetary As Of Credit us-gaap:SelfInsuranceReserveNoncurrent
446 Other Liabilities, Noncurrent [Concept] Monetary As Of Credit us-gaap:OtherLiabilitiesNoncurrent
447 Liabilities, Other than Long-term Debt, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent
448 Liabilities, Noncurrent, Total [Concept] Monetary As Of Credit us-gaap:LiabilitiesNoncurrent
449 Liabilities, Total [Concept] Monetary As Of Credit us-gaap:Liabilities
450 Commitments and Contingencies [Concept] Monetary As Of Credit us-gaap:CommitmentsAndContingencies
451 Temporary Equity, Carrying Amount [Concept] Monetary As Of Credit us-gaap:TemporaryEquityCarryingAmount
452 Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Roll Up] [Abstract]

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*

 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract
453 Stockholders' Equity Attributable to Parent [Roll Up] [Abstract]

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*

 us-gaap:StockholdersEquityAbstract
454 Preferred Stock, Value, Issued [Concept] Monetary As Of Credit us-gaap:PreferredStockValue
455 Preferred Stock, Shares Subscribed but Unissued, Subscriptions Receivable [Concept] Monetary As Of Debit us-gaap:PreferredStockSharesSubscribedButUnissuedSubscriptionsReceivable
456 Common Stock, Value, Issued [Concept] Monetary As Of Credit us-gaap:CommonStockValue
457 Common Stock Held by Subsidiary [Concept] Monetary As Of Debit us-gaap:CommonStockHeldBySubsidiary
458 Common Stock, Share Subscribed but Unissued, Subscriptions Receivable [Concept] Monetary As Of Debit us-gaap:CommonStockShareSubscribedButUnissuedSubscriptionsReceivable
459 Additional Paid in Capital [Roll Up] [Abstract]

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 us-gaap:AdditionalPaidInCapitalAbstract
460 Additional Paid in Capital, Common Stock [Concept] Monetary As Of Credit us-gaap:AdditionalPaidInCapitalCommonStock
461 Additional Paid in Capital, Preferred Stock [Concept] Monetary As Of Credit us-gaap:AdditionalPaidInCapitalPreferredStock
462 Additional Paid in Capital, Total [Concept] Monetary As Of Credit us-gaap:AdditionalPaidInCapital
463 Other Additional Capital [Concept] Monetary As Of Credit us-gaap:OtherAdditionalCapital
464 Treasury Stock, Value [Concept] Monetary As Of Debit us-gaap:TreasuryStockValue
465 Deferred Employee Stock Ownership Plan, Issuance of Shares or Sale of Treasury Shares [Concept] Monetary As Of Credit us-gaap:TreasuryStockDeferredEmployeeStockOwnershipPlan
466 Deferred Compensation Equity [Concept] Monetary As Of Debit us-gaap:DeferredCompensationEquity
467 Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Up] [Abstract]

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 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract
468 Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax [Concept] Monetary As Of Credit us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
469 Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Concept] Monetary As Of Credit us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
470 Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Debt Securities [Roll Up] [Abstract]

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 us-gaap:AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecuritiesAbstract
471 Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities [Concept] Monetary As Of Debit us-gaap:AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxAvailableforsaleDebtSecurities
472 Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Held-to-maturity, Debt Securities [Concept] Monetary As Of Debit us-gaap:AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxHeldtomaturityDebtSecurities
473 Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Debt Securities, Total [Concept] Monetary As Of Debit us-gaap:AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities
474 Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax [Concept] Monetary As Of Credit us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
475 Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax [Concept] Monetary As Of Debit us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
476 Accumulated Other Comprehensive Income (Loss), Net of Tax, Total [Concept] Monetary As Of Credit us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
477 Accumulated Distributions in Excess of Net Income [Concept] Monetary As Of Debit us-gaap:AccumulatedDistributionsInExcessOfNetIncome
478 Retained Earnings (Accumulated Deficit) [Roll Up] [Abstract]

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 us-gaap:RetainedEarningsAccumulatedDeficitAbstract
479 Retained Earnings, Appropriated [Concept] Monetary As Of Credit us-gaap:RetainedEarningsAppropriated
480 Retained Earnings, Unappropriated [Concept] Monetary As Of Credit us-gaap:RetainedEarningsUnappropriated
481 Retained Earnings (Accumulated Deficit), Total [Concept] Monetary As Of Credit us-gaap:RetainedEarningsAccumulatedDeficit
482 Unearned ESOP Shares [Concept] Monetary As Of Debit us-gaap:UnearnedESOPShares
483 Receivable from Officers and Directors for Issuance of Capital Stock [Concept] Monetary As Of Debit us-gaap:ReceivableFromOfficersAndDirectorsForIssuanceOfCapitalStock
484 Receivable from Shareholders or Affiliates for Issuance of Capital Stock [Concept] Monetary As Of Debit us-gaap:ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock
485 Stockholders' Equity Attributable to Parent, Total [Concept] Monetary As Of Credit us-gaap:StockholdersEquity
486 Stockholders' Equity Attributable to Noncontrolling Interest [Concept] Monetary As Of Credit us-gaap:MinorityInterest
487 Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Total [Concept] Monetary As Of Credit us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
488 Liabilities and Equity, Total [Concept] Monetary As Of Credit us-gaap:LiabilitiesAndStockholdersEquity