10-K/A Filing

FIRSTENERGY CORP CIK: 1031296 FY 2019

Filing Information

Form Type	10-K/A
Accession Number	`0001031296-20-000043`
Period End Date	20191231
Filing Date	20201119
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	fe-20191231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 113 Income Statement 221 Cash Flow Statement 155 Stockholders Equity 51 Comprehensive Income 32

Balance Sheet 113 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$627.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$367.00M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$52.00M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$62.00M	USD	Point-in-time
Customers and Affiliated companies, Net of allowance for uncollectible accounts	`AccountsReceivableNetCurrent`	$1.09B	USD	Point-in-time
Customers and Affiliated companies, Net of allowance for uncollectible accounts	`AccountsReceivableNetCurrent`	$1.22B	USD	Point-in-time
Other, net of allowance for uncollectible accounts of $21 in 2019 and $2 in 2018	`OtherReceivables`	$270.00M	USD	Point-in-time
Other, net of allowance for uncollectible accounts of $21 in 2019 and $2 in 2018	`OtherReceivables`	$203.00M	USD	Point-in-time
Materials and supplies, at average cost	`InventoryNet`	$281.00M	USD	Point-in-time
Materials and supplies, at average cost	`InventoryNet`	$252.00M	USD	Point-in-time
Prepaid taxes and other	`PrepaidTaxesandOther`	$175.00M	USD	Point-in-time
Prepaid taxes and other	`PrepaidTaxesandOther`	$157.00M	USD	Point-in-time
Current assets - discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$33.00M	USD	Point-in-time
Current assets - discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$25.00M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.44B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.39B	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	700.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	700.00M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	511.92M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	540.65M	shares	Point-in-time
In service	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$39.47B	USD	Point-in-time
In service	`PropertyPlantAndEquipmentExcludingConstructionInProgress`	$41.77B	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Less Accumulated provision for depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$10.79B	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Less Accumulated provision for depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$11.43B	USD	Point-in-time
Property, plant and equipment in service net of accumulated provision for depreciation	`NetPlantExcludingConstructionWorkInProgress`	$30.34B	USD	Point-in-time
Property, plant and equipment in service net of accumulated provision for depreciation	`NetPlantExcludingConstructionWorkInProgress`	$28.68B	USD	Point-in-time
Preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred shares, outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.31B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.24B	USD	Point-in-time
Total net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$29.91B	USD	Point-in-time
Total net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$31.65B	USD	Point-in-time
Nuclear plant decommissioning trusts	`DecommissioningFundInvestments`	-	USD	Point-in-time
Nuclear plant decommissioning trusts	`DecommissioningFundInvestments`	$790.00M	USD	Point-in-time
Nuclear fuel disposal trust	`NuclearFuelDisposalTrust`	$270.00M	USD	Point-in-time
Nuclear fuel disposal trust	`NuclearFuelDisposalTrust`	$256.00M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$299.00M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$253.00M	USD	Point-in-time
Investments - held for sale (Note 15)	`DisposalGroupIncludingDiscontinuedOperationInvestments`	$882.00M	USD	Point-in-time
Investments - held for sale (Note 15)	`DisposalGroupIncludingDiscontinuedOperationInvestments`	-	USD	Point-in-time
Total other property and investments	`LongTermInvestments`	$1.30B	USD	Point-in-time
Total other property and investments	`LongTermInvestments`	$1.45B	USD	Point-in-time
Goodwill	`Goodwill`	$5.62B	USD	Point-in-time
Goodwill	`Goodwill`	$5.62B	USD	Point-in-time
Goodwill	`Goodwill`	$5.62B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$91.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$99.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$752.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$1.04B	USD	Point-in-time
Total deferred charges and other assets	`AssetsNoncurrent`	$6.76B	USD	Point-in-time
Total deferred charges and other assets	`AssetsNoncurrent`	$6.46B	USD	Point-in-time
Total assets	`Assets`	$40.06B	USD	Point-in-time
Total assets	`Assets`	$42.30B	USD	Point-in-time
Total assets	`Assets`	$42.26B	USD	Point-in-time
Currently payable long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$503.00M	USD	Point-in-time
Currently payable long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$380.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.25B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.00B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$965.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$918.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$243.00M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$249.00M	USD	Point-in-time
Accrued taxes	`AccruedIncomeTaxesCurrent`	$545.00M	USD	Point-in-time
Accrued taxes	`AccruedIncomeTaxesCurrent`	$533.00M	USD	Point-in-time
Accrued compensation and benefits	`AccruedEmployeeBenefitsCurrent`	$258.00M	USD	Point-in-time
Accrued compensation and benefits	`AccruedEmployeeBenefitsCurrent`	$318.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$1.43B	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$822.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.86B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.63B	USD	Point-in-time
Common stock, $0.10 par value, authorized 700,000,000 shares - 540,652,222 and 511,915,450 shares outstanding as of December 31, 2019 and December 31, 2018, respectively	`CommonStockValueOutstanding`	$51.00M	USD	Point-in-time
Common stock, $0.10 par value, authorized 700,000,000 shares - 540,652,222 and 511,915,450 shares outstanding as of December 31, 2019 and December 31, 2018, respectively	`CommonStockValueOutstanding`	$54.00M	USD	Point-in-time
Preferred stock, $100 par value, authorized 5,000,000 shares, of which 1,616,000 are designated Series A Convertible Preferred - none outstanding as of December 31, 2019, and 704,589 shares outstanding as of December 31, 2018	`PreferredStockValueOutstanding`	$71.00M	USD	Point-in-time
Preferred stock, $100 par value, authorized 5,000,000 shares, of which 1,616,000 are designated Series A Convertible Preferred - none outstanding as of December 31, 2019, and 704,589 shares outstanding as of December 31, 2018	`PreferredStockValueOutstanding`	-	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$11.53B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$10.87B	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$41.00M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$20.00M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-4.88B	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-3.97B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.97B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.81B	USD	Point-in-time
Long-term debt and other long-term obligations	`LongTermDebtAndCapitalLeaseObligations`	$17.75B	USD	Point-in-time
Long-term debt and other long-term obligations	`LongTermDebtAndCapitalLeaseObligations`	$19.62B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$24.57B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$26.59B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNetNoncurrent`	$2.50B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNetNoncurrent`	$2.85B	USD	Point-in-time
Retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$2.91B	USD	Point-in-time
Retirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$3.06B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$2.36B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$2.50B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$812.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$165.00M	USD	Point-in-time
Adverse power contract liability	`AdversePowerContractLiability`	$89.00M	USD	Point-in-time
Adverse power contract liability	`AdversePowerContractLiability`	$49.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$1.67B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$2.06B	USD	Point-in-time
Noncurrent liabilities - held for sale (Note 15)	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$691.00M	USD	Point-in-time
Noncurrent liabilities - held for sale (Note 15)	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$10.85B	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$10.86B	USD	Point-in-time
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total liabilities and capitalization	`LiabilitiesAndStockholdersEquity`	$42.30B	USD	Point-in-time
Total liabilities and capitalization	`LiabilitiesAndStockholdersEquity`	$40.06B	USD	Point-in-time

Income Statement 221 line items

Line Item	Tag	Value	Unit	Period
Excise tax collections included in Revenue	`ExciseTaxesCollected`	$370.00M	USD	Annual
Excise tax collections included in Revenue	`ExciseTaxesCollected`	$386.00M	USD	Annual
Excise tax collections included in Revenue	`ExciseTaxesCollected`	$373.00M	USD	Annual
Income tax expense (benefit)	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-820.00M	USD	Annual
Income tax expense (benefit)	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-5.00M	USD	Annual
Income tax expense (benefit)	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-1.25B	USD	Annual
Total revenues	`Revenues`	$11.26B	USD	Annual
Total revenues	`Revenues`	$10.93B	USD	Annual
Total revenues	`Revenues`	$2.67B	USD	1 Quarter
Total revenues	`Revenues`	$2.71B	USD	1 Quarter
Total revenues	`Revenues`	$11.04B	USD	Annual
Total revenues	`Revenues`	$2.52B	USD	1 Quarter
Total revenues	`Revenues`	$2.96B	USD	1 Quarter
Total revenues	`Revenues`	$2.62B	USD	1 Quarter
Total revenues	`Revenues`	$2.86B	USD	1 Quarter
Total revenues	`Revenues`	$2.88B	USD	1 Quarter
Total revenues	`Revenues`	$3.06B	USD	1 Quarter
Fuel	`FuelCosts`	$497.00M	USD	Annual
Fuel	`FuelCosts`	$497.00M	USD	Annual
Fuel	`FuelCosts`	$538.00M	USD	Annual
Purchased power	`OperatingCostsAndExpenses`	$2.93B	USD	Annual
Purchased power	`OperatingCostsAndExpenses`	$3.11B	USD	Annual
Purchased power	`OperatingCostsAndExpenses`	$2.93B	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$779.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$2.80B	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$606.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$2.95B	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$3.13B	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$940.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$684.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$739.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$758.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$809.00M	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$770.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$297.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$309.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$277.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$1.14B	USD	Annual
Provision for depreciation	`Depreciation`	$293.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$1.03B	USD	Annual
Provision for depreciation	`Depreciation`	$1.22B	USD	Annual
Provision for depreciation	`Depreciation`	$283.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$283.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$310.00M	USD	1 Quarter
Provision for depreciation	`Depreciation`	$304.00M	USD	1 Quarter
Amortization (deferral) of regulatory assets, net	`AmortizationDeferralOfRegulatoryAsset`	$-79.00M	USD	Annual
Amortization (deferral) of regulatory assets, net	`AmortizationDeferralOfRegulatoryAsset`	$308.00M	USD	Annual
Amortization (deferral) of regulatory assets, net	`AmortizationDeferralOfRegulatoryAsset`	$-150.00M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$940.00M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$993.00M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$1.01B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$8.53B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$8.76B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$8.50B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$2.51B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$580.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$2.50B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$585.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$512.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$629.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$615.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$700.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$681.00M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$2.43B	USD	Annual
OPERATING INCOME	`OperatingIncomeLoss`	$710.00M	USD	1 Quarter
Miscellaneous income, net	`InvestmentIncomeNet`	$205.00M	USD	Annual
Miscellaneous income, net	`InvestmentIncomeNet`	$243.00M	USD	Annual
Miscellaneous income, net	`InvestmentIncomeNet`	$53.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	-	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	$-102.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	-	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	$-144.00M	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	$-674.00M	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	$-144.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	$-674.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	-	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	-	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	-	USD	1 Quarter
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanFairValueOfPlanAssetsPeriodIncreaseDecrease`	-	USD	1 Quarter
Interest expense	`InterestAndDebtExpense`	$1.03B	USD	Annual
Interest expense	`InterestAndDebtExpense`	$1.12B	USD	Annual
Interest expense	`InterestAndDebtExpense`	$1.00B	USD	Annual
Capitalized financing costs	`InterestCostsCapitalizedAdjustment`	$71.00M	USD	Annual
Capitalized financing costs	`InterestCostsCapitalizedAdjustment`	$52.00M	USD	Annual
Capitalized financing costs	`InterestCostsCapitalizedAdjustment`	$65.00M	USD	Annual
Total other expense	`NonoperatingIncomeExpense`	$-1.39B	USD	Annual
Total other expense	`NonoperatingIncomeExpense`	$-1.00B	USD	Annual
Total other expense	`NonoperatingIncomeExpense`	$-990.00M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.12B	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.43B	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.51B	USD	Annual
INCOME TAXES	`IncomeTaxExpenseBenefit`	$233.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$490.00M	USD	Annual
INCOME TAXES	`IncomeTaxExpenseBenefit`	$121.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$93.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$-68.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$107.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$213.00M	USD	Annual
INCOME TAXES	`IncomeTaxExpenseBenefit`	$35.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$81.00M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$1.72B	USD	Annual
INCOME TAXES	`IncomeTaxExpenseBenefit`	$101.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$389.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-289.00M	USD	Annual
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-181.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$341.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$308.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$399.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$134.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$1.02B	USD	Annual
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$355.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$181.00M	USD	1 Quarter
INCOME (LOSS) FROM CONTINUING OPERATIONS	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$904.00M	USD	Annual
Discontinued operations (Note 3)	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$326.00M	USD	Annual
Discontinued operations (Note 3)	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-1.44B	USD	Annual
Discontinued operations (Note 3)	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$8.00M	USD	Annual
NET INCOME (LOSS)	`NetIncomeLoss`	$312.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$1.37B	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$-1.72B	USD	Annual
NET INCOME (LOSS)	`NetIncomeLoss`	$912.00M	USD	Annual
NET INCOME (LOSS)	`NetIncomeLoss`	$-111.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$391.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$299.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$320.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$-458.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$138.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$1.35B	USD	Annual
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	-	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	-	USD	Annual
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	-	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$165.00M	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$4.00M	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$10.00M	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$5.00M	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$156.00M	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$4.00M	USD	Annual
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$54.00M	USD	1 Quarter
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 1)	`UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic`	$367.00M	USD	Annual
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$908.00M	USD	Annual
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-512.00M	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$308.00M	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-1.72B	USD	Annual
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.21B	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$134.00M	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-111.00M	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$315.00M	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$981.00M	USD	Annual
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$128.00M	USD	1 Quarter
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$391.00M	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.33	USD	Annual
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.66	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.05	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.68	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.69	USD	Annual
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.65	USD	Annual
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.30	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.63	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.24	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.33	USD	1 Quarter
Basic - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.72	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-3.23	USD	Annual
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.05	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.07	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$2.50	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.01	USD	Annual
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.13	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.01	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.66	USD	Annual
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-1.70	USD	1 Quarter
Basic - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.01	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.28	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$-3.88	USD	Annual
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$-0.20	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$-1.02	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$2.55	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.59	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.58	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$1.70	USD	Annual
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$1.99	USD	Annual
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.73	USD	1 Quarter
Basic - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareBasic`	$0.25	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.05	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.24	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.67	USD	Annual
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.63	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.30	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.65	USD	Annual
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.66	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.68	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.33	USD	Annual
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.33	USD	1 Quarter
Diluted - Continuing Operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.72	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$2.49	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.01	USD	Annual
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.66	USD	Annual
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.13	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.01	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-3.23	USD	Annual
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.05	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-1.70	USD	1 Quarter
Diluted - Discontinued Operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.07	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.59	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.28	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$1.99	USD	Annual
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.72	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.25	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$-3.88	USD	Annual
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$-0.20	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$-1.02	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$1.68	USD	Annual
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$0.58	USD	1 Quarter
Diluted - Net Income (Loss) Attributable to Common Stockholders (in dollars per share)	`EarningsPerShareDiluted`	$2.54	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	492.00M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	535.00M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	444.00M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	494.00M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	542.00M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	444.00M	shares	Annual

Cash Flow Statement 155 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`NetIncomeLoss`	$312.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$1.37B	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$-1.72B	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$912.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-111.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$391.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$299.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$320.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$-458.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$138.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$1.35B	USD	Annual
Gain on disposal, net of tax (Note 3)	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	-	USD	Annual
Gain on disposal, net of tax (Note 3)	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	$59.00M	USD	Annual
Gain on disposal, net of tax (Note 3)	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	$435.00M	USD	Annual
Depreciation and amortization, including nuclear fuel, regulatory assets, net, intangible assets and deferred debt-related costs	`DepreciationDepletionAndAmortization`	$1.70B	USD	Annual
Depreciation and amortization, including nuclear fuel, regulatory assets, net, intangible assets and deferred debt-related costs	`DepreciationDepletionAndAmortization`	$1.38B	USD	Annual
Depreciation and amortization, including nuclear fuel, regulatory assets, net, intangible assets and deferred debt-related costs	`DepreciationDepletionAndAmortization`	$1.22B	USD	Annual
Impairment of assets and related charges	`AssetImpairmentCharges`	$2.40B	USD	Annual
Impairment of assets and related charges	`AssetImpairmentCharges`	-	USD	Annual
Impairment of assets and related charges	`AssetImpairmentCharges`	-	USD	Annual
Pension trust contributions	`PensionContributions`	$500.00M	USD	Annual
Pension trust contributions	`PensionContributions`	$1.25B	USD	Annual
Pension trust contributions	`PensionContributions`	-	USD	Annual
Retirement benefits, net of payments	`PaymentsForPostemploymentBenefits`	$137.00M	USD	Annual
Retirement benefits, net of payments	`PaymentsForPostemploymentBenefits`	$-29.00M	USD	Annual
Retirement benefits, net of payments	`PaymentsForPostemploymentBenefits`	$108.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanPlanAssetsPeriodIncreaseDecreaseIncludingDiscontinuedOperations`	$141.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanPlanAssetsPeriodIncreaseDecreaseIncludingDiscontinuedOperations`	$676.00M	USD	Annual
Pension and OPEB mark-to-market adjustment	`DefinedBenefitPlanPlanAssetsPeriodIncreaseDecreaseIncludingDiscontinuedOperations`	$144.00M	USD	Annual
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$839.00M	USD	Annual
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$485.00M	USD	Annual
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$252.00M	USD	Annual
Asset removal costs charged to income	`RemovalCosts`	$28.00M	USD	Annual
Asset removal costs charged to income	`RemovalCosts`	$42.00M	USD	Annual
Asset removal costs charged to income	`RemovalCosts`	$22.00M	USD	Annual
Unrealized (gain) loss on derivative transactions	`UnrealizedGainLossOnCommodityContracts`	$-81.00M	USD	Annual
Unrealized (gain) loss on derivative transactions	`UnrealizedGainLossOnCommodityContracts`	-	USD	Annual
Unrealized (gain) loss on derivative transactions	`UnrealizedGainLossOnCommodityContracts`	$5.00M	USD	Annual
Gain on sale of investment securities held in trusts	`GainLossOnSaleOfInvestments`	-	USD	Annual
Gain on sale of investment securities held in trusts	`GainLossOnSaleOfInvestments`	$63.00M	USD	Annual
Gain on sale of investment securities held in trusts	`GainLossOnSaleOfInvestments`	$9.00M	USD	Annual
Receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$248.00M	USD	Annual
Receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$39.00M	USD	Annual
Receivables	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-271.00M	USD	Annual
Materials and supplies	`IncreaseDecreaseInInventories`	$37.00M	USD	Annual
Materials and supplies	`IncreaseDecreaseInInventories`	$6.00M	USD	Annual
Materials and supplies	`IncreaseDecreaseInInventories`	$-24.00M	USD	Annual
Prepaid taxes and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-30.00M	USD	Annual
Prepaid taxes and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$61.00M	USD	Annual
Prepaid taxes and other	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-10.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$72.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-49.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$109.00M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	-	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-9.00M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$12.00M	USD	Annual
Accrued interest	`IncreaseDecreaseInInterestPayableNet`	$6.00M	USD	Annual
Accrued interest	`IncreaseDecreaseInInterestPayableNet`	$-25.00M	USD	Annual
Accrued interest	`IncreaseDecreaseInInterestPayableNet`	$55.00M	USD	Annual
Accrued compensation and benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$37.00M	USD	Annual
Accrued compensation and benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-60.00M	USD	Annual
Accrued compensation and benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-27.00M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-121.00M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-21.00M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-35.00M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$128.00M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$-83.00M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$343.00M	USD	Annual
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.47B	USD	Annual
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.41B	USD	Annual
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.81B	USD	Annual
Long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.30B	USD	Annual
Long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.67B	USD	Annual
Long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.47B	USD	Annual
Short-term borrowings, net	`ProceedsFromShortTermDebt`	-	USD	Annual
Short-term borrowings, net	`ProceedsFromShortTermDebt`	$950.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromShortTermDebt`	-	USD	Annual
Preferred stock issuance	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$1.62B	USD	Annual
Preferred stock issuance	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Preferred stock issuance	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Common stock issuance	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Common stock issuance	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Common stock issuance	`ProceedsFromIssuanceOfCommonStock`	$850.00M	USD	Annual
Long-term debt	`RepaymentsOfLongTermDebt`	$789.00M	USD	Annual
Long-term debt	`RepaymentsOfLongTermDebt`	$2.29B	USD	Annual
Long-term debt	`RepaymentsOfLongTermDebt`	$2.61B	USD	Annual
Short-term borrowings, net	`RepaymentsOfShortTermDebt`	-	USD	Annual
Short-term borrowings, net	`RepaymentsOfShortTermDebt`	-	USD	Annual
Short-term borrowings, net	`RepaymentsOfShortTermDebt`	$2.38B	USD	Annual
Tender premiums paid on debt redemptions	`PaymentsofDebtRedemptionTenderPremiums`	$89.00M	USD	Annual
Tender premiums paid on debt redemptions	`PaymentsofDebtRedemptionTenderPremiums`	-	USD	Annual
Tender premiums paid on debt redemptions	`PaymentsofDebtRedemptionTenderPremiums`	-	USD	Annual
Preferred stock dividend payments	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$6.00M	USD	Annual
Preferred stock dividend payments	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$61.00M	USD	Annual
Preferred stock dividend payments	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	-	USD	Annual
Common stock dividend payments	`PaymentsOfDividendsCommonStock`	$814.00M	USD	Annual
Common stock dividend payments	`PaymentsOfDividendsCommonStock`	$711.00M	USD	Annual
Common stock dividend payments	`PaymentsOfDividendsCommonStock`	$639.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-72.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-27.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-35.00M	USD	Annual
Net cash provided from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-702.00M	USD	Annual
Net cash provided from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$656.00M	USD	Annual
Net cash provided from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.39B	USD	Annual
Property additions	`PaymentsToAcquireProductiveAssets`	$2.67B	USD	Annual
Property additions	`PaymentsToAcquireProductiveAssets`	$2.67B	USD	Annual
Property additions	`PaymentsToAcquireProductiveAssets`	$2.59B	USD	Annual
Nuclear fuel	`PaymentsForNuclearFuel`	-	USD	Annual
Nuclear fuel	`PaymentsForNuclearFuel`	-	USD	Annual
Nuclear fuel	`PaymentsForNuclearFuel`	$254.00M	USD	Annual
Proceeds from asset sales	`ProceedsFromSaleOfProductiveAssets`	$47.00M	USD	Annual
Proceeds from asset sales	`ProceedsFromSaleOfProductiveAssets`	$425.00M	USD	Annual
Proceeds from asset sales	`ProceedsFromSaleOfProductiveAssets`	$388.00M	USD	Annual
Sales of investment securities held in trusts	`ProceedsFromSaleOfAvailableForSaleSecurities`	$909.00M	USD	Annual
Sales of investment securities held in trusts	`ProceedsFromSaleOfAvailableForSaleSecurities`	$1.64B	USD	Annual
Sales of investment securities held in trusts	`ProceedsFromSaleOfAvailableForSaleSecurities`	$2.17B	USD	Annual
Purchases of investment securities held in trusts	`PaymentsToAcquireAvailableForSaleSecurities`	$963.00M	USD	Annual
Purchases of investment securities held in trusts	`PaymentsToAcquireAvailableForSaleSecurities`	$1.68B	USD	Annual
Purchases of investment securities held in trusts	`PaymentsToAcquireAvailableForSaleSecurities`	$2.27B	USD	Annual
Notes receivable from affiliated companies	`PaymentsForProceedsFromInvestments`	-	USD	Annual
Notes receivable from affiliated companies	`PaymentsForProceedsFromInvestments`	$500.00M	USD	Annual
Notes receivable from affiliated companies	`PaymentsForProceedsFromInvestments`	-	USD	Annual
Asset removal costs	`PaymentsForRemovalCosts`	$172.00M	USD	Annual
Asset removal costs	`PaymentsForRemovalCosts`	$217.00M	USD	Annual
Asset removal costs	`PaymentsForRemovalCosts`	$218.00M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.00M	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.02B	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.87B	USD	Annual
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.72B	USD	Annual
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$383.00M	USD	Annual
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-214.00M	USD	Annual
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$250.00M	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$260.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$429.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$643.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$679.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$260.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$429.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$643.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$679.00M	USD	Point-in-time
Non-cash transaction: beneficial conversion feature (Note1)	`NoncashTransactionBeneficialConversion`	-	USD	Annual
Non-cash transaction: beneficial conversion feature (Note1)	`NoncashTransactionBeneficialConversion`	$296.00M	USD	Point-in-time
Non-cash transaction: beneficial conversion feature (Note1)	`NoncashTransactionBeneficialConversion`	$296.00M	USD	Annual
Non-cash transaction: beneficial conversion feature (Note1)	`NoncashTransactionBeneficialConversion`	-	USD	Annual
Non-cash transaction: deemed dividend convertible preferred stock (Note 1)	`NoncashTransactionDeemedDividendPreferredStock`	-	USD	Annual
Non-cash transaction: deemed dividend convertible preferred stock (Note 1)	`NoncashTransactionDeemedDividendPreferredStock`	$-296.00M	USD	Annual
Non-cash transaction: deemed dividend convertible preferred stock (Note 1)	`NoncashTransactionDeemedDividendPreferredStock`	-	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$960.00M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$1.07B	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$1.04B	USD	Annual
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$53.00M	USD	Annual
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$12.00M	USD	Annual
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$49.00M	USD	Annual

Stockholders Equity 51 line items

Line Item	Tag	Value	Unit	Period
Amount of beneficial conversion	`NoncashTransactionBeneficialConversion`	-	USD	Annual
Amount of beneficial conversion	`NoncashTransactionBeneficialConversion`	$296.00M	USD	Point-in-time
Amount of beneficial conversion	`NoncashTransactionBeneficialConversion`	$296.00M	USD	Annual
Amount of beneficial conversion	`NoncashTransactionBeneficialConversion`	-	USD	Annual
Dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.53	USD	Annual
Dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.44	USD	Annual
Dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.39	USD	Point-in-time
Dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.82	USD	Annual
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	511.92M	shares	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	540.65M	shares	Point-in-time
Beginning Balance	`StockholdersEquity`	$6.24B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$3.92B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$6.81B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$6.97B	USD	Point-in-time
Net Income (Loss)	`NetIncomeLoss`	$312.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$1.37B	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$-1.72B	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$912.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-111.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$391.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$299.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$320.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$-458.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$138.00M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$1.35B	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-21.00M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-32.00M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-101.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$41.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$36.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$60.00M	USD	Annual
Cash dividends declared on common stock	`DividendsCommonStockCash`	$824.00M	USD	Annual
Cash dividends declared on common stock	`DividendsCommonStockCash`	$639.00M	USD	Annual
Cash dividends declared on common stock	`DividendsCommonStockCash`	$906.00M	USD	Annual
Cash dividends declared on preferred stock	`DividendsPreferredStockCash`	$71.00M	USD	Annual
Cash dividends declared on preferred stock	`DividendsPreferredStockCash`	$3.00M	USD	Annual
Reclass to liability awards	`AdjustmentstoAdditionalPaidinCapitalReclassificationtoLiabilityAwards`	$7.00M	USD	Annual
Stock Investment Plan and certain share-based benefit plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$62.00M	USD	Annual
Stock Investment Plan and certain share-based benefit plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$56.00M	USD	Annual
Stock Investment Plan and certain share-based benefit plans	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$56.00M	USD	Annual
Stock issuance (Note 11)	`StockIssuedDuringPeriodValueNewIssues`	$2.46B	USD	Annual
Conversion of Series A Convertible Stock (Note 11)	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	-	USD	Annual
Conversion of Series A Convertible Stock (Note 11)	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	-	USD	Annual
Impact of adopting new accounting pronouncements	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$35.00M	USD	Point-in-time
Impact of adopting new accounting pronouncements	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$-6.00M	USD	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	511.92M	shares	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	540.65M	shares	Point-in-time
Ending Balance	`StockholdersEquity`	$6.24B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$3.92B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$6.81B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$6.97B	USD	Point-in-time

Comprehensive Income 32 line items

Line Item	Tag	Value	Unit	Period
NET INCOME (LOSS)	`NetIncomeLoss`	$312.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$1.37B	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$-1.72B	USD	Annual
NET INCOME (LOSS)	`NetIncomeLoss`	$912.00M	USD	Annual
NET INCOME (LOSS)	`NetIncomeLoss`	$-111.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$391.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$299.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$320.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$-458.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$138.00M	USD	1 Quarter
NET INCOME (LOSS)	`NetIncomeLoss`	$1.35B	USD	Annual
Pension and OPEB prior service costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$85.00M	USD	Annual
Pension and OPEB prior service costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$83.00M	USD	Annual
Pension and OPEB prior service costs	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$31.00M	USD	Annual
Amortized losses on derivative hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax`	$21.00M	USD	Annual
Amortized losses on derivative hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax`	$10.00M	USD	Annual
Amortized losses on derivative hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax`	$2.00M	USD	Annual
Change in unrealized gains on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax`	$-106.00M	USD	Annual
Change in unrealized gains on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax`	-	USD	Annual
Change in unrealized gains on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax`	$22.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossBeforeTax`	$-29.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossBeforeTax`	$-168.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossBeforeTax`	$-53.00M	USD	Annual
Income tax benefits on other comprehensive loss	`OtherComprehensiveIncomeLossTax`	$-8.00M	USD	Annual
Income tax benefits on other comprehensive loss	`OtherComprehensiveIncomeLossTax`	$-21.00M	USD	Annual
Income tax benefits on other comprehensive loss	`OtherComprehensiveIncomeLossTax`	$-67.00M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-21.00M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-32.00M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-101.00M	USD	Annual
COMPREHENSIVE INCOME (LOSS)	`ComprehensiveIncomeNetOfTax`	$891.00M	USD	Annual
COMPREHENSIVE INCOME (LOSS)	`ComprehensiveIncomeNetOfTax`	$1.25B	USD	Annual
COMPREHENSIVE INCOME (LOSS)	`ComprehensiveIncomeNetOfTax`	$-1.76B	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.