10-K Filing

CENTERPOINT ENERGY INC CIK: 1130310 FY 2020

Filing Information

Form Type	10-K
Accession Number	`0001130310-21-000009`
Period End Date	20201231
Filing Date	20210225
Fiscal Year	2020
Fiscal Period	FY
XBRL Instance	cnp-20201231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 123 Income Statement 108 Cash Flow Statement 173 Stockholders Equity 28 Comprehensive Income 42

Balance Sheet 123 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$147.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$241.00M	USD	Point-in-time
Investment in marketable securities	`MarketableSecuritiesCurrent`	$822.00M	USD	Point-in-time
Investment in marketable securities	`MarketableSecuritiesCurrent`	$871.00M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$702.00M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$676.00M	USD	Point-in-time
Accrued Unbilled Revenues	`UnbilledReceivablesCurrent`	$505.00M	USD	Point-in-time
Accrued Unbilled Revenues	`UnbilledReceivablesCurrent`	$469.00M	USD	Point-in-time
Natural gas and coal inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$203.00M	USD	Point-in-time
Natural gas and coal inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$209.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSupplies`	$297.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSupplies`	$263.00M	USD	Point-in-time
Taxes receivable	`IncomeTaxesReceivable`	$106.00M	USD	Point-in-time
Taxes receivable	`IncomeTaxesReceivable`	$82.00M	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$1.00B	USD	Point-in-time
Prepaid expense and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$139.00M	USD	Point-in-time
Prepaid expense and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$123.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.92B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.94B	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$32.51B	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$30.32B	USD	Point-in-time
Accumulated Depreciation, and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$10.15B	USD	Point-in-time
Accumulated Depreciation, and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.70B	USD	Point-in-time
Property, Plant and Equipment, Net, Total	`PropertyPlantAndEquipmentNet`	$20.62B	USD	Point-in-time
Property, Plant and Equipment, Net, Total	`PropertyPlantAndEquipmentNet`	$22.36B	USD	Point-in-time
Goodwill	`Goodwill`	$4.70B	USD	Point-in-time
Goodwill	`Goodwill`	$4.88B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$2.09B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$2.12B	USD	Point-in-time
Investment in unconsolidated affiliates	`EquityMethodInvestments`	$2.41B	USD	Point-in-time
Investment in unconsolidated affiliates	`EquityMethodInvestments`	$783.00M	USD	Point-in-time
Preferred units - unconsolidated affiliate	`CostMethodInvestments`	$363.00M	USD	Point-in-time
Preferred units - unconsolidated affiliate	`CostMethodInvestments`	$363.00M	USD	Point-in-time
Non-current assets held for sale	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Non-current assets held for sale	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$962.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$252.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$236.00M	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$10.97B	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$8.19B	USD	Point-in-time
Total Assets	`Assets`	$33.47B	USD	Point-in-time
Total Assets	`Assets`	$27.09B	USD	Point-in-time
Total Assets	`Assets`	$35.53B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$24.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	-	USD	Point-in-time
Current portion of VIE Securitization Bonds long-term debt	`TransitionAndSystemRestorationBondsLongTermDebtCurrent`	$211.00M	USD	Point-in-time
Current portion of VIE Securitization Bonds long-term debt	`TransitionAndSystemRestorationBondsLongTermDebtCurrent`	$231.00M	USD	Point-in-time
Indexed debt, net	`IndexedDebtCurrent`	$19.00M	USD	Point-in-time
Indexed debt, net	`IndexedDebtCurrent`	$15.00M	USD	Point-in-time
Current portion of other long-term debt	`OtherLongTermDebtCurrent`	$618.00M	USD	Point-in-time
Current portion of other long-term debt	`OtherLongTermDebtCurrent`	$1.67B	USD	Point-in-time
Indexed debt securities derivative	`IndexedDebtSecuritiesDerivative`	$893.00M	USD	Point-in-time
Indexed debt securities derivative	`IndexedDebtSecuritiesDerivative`	$953.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$884.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$853.00M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$265.00M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$239.00M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$158.00M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$145.00M	USD	Point-in-time
Dividends accrued	`DividendsPayableCurrent`	$136.00M	USD	Point-in-time
Dividends accrued	`DividendsPayableCurrent`	-	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$124.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$119.00M	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesCurrent`	$3.00M	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesCurrent`	$7.00M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$455.00M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$350.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$432.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.98B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.83B	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxLiabilitiesNet`	$3.60B	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxLiabilitiesNet`	$3.93B	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$27.00M	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$15.00M	USD	Point-in-time
Benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$680.00M	USD	Point-in-time
Benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$750.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.45B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.47B	USD	Point-in-time
Non-current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$43.00M	USD	Point-in-time
Non-current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$1.02B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$738.00M	USD	Point-in-time
Total other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$8.78B	USD	Point-in-time
Total other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$8.95B	USD	Point-in-time
VIE Securitization Bonds, net	`TransitionAndSystemRestorationBondsLongTermDebtNonCurrent`	$746.00M	USD	Point-in-time
VIE Securitization Bonds, net	`TransitionAndSystemRestorationBondsLongTermDebtNonCurrent`	$536.00M	USD	Point-in-time
Other long-term debt, net	`OtherLongTermDebtNoncurrent`	$10.98B	USD	Point-in-time
Other long-term debt, net	`OtherLongTermDebtNoncurrent`	$13.50B	USD	Point-in-time
Total long-term debt, net	`LongTermDebtNoncurrent`	$11.52B	USD	Point-in-time
Total long-term debt, net	`LongTermDebtNoncurrent`	$14.24B	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$6.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$5.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$6.91B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$6.08B	USD	Point-in-time
Retained earnings (accumulated deficit)	`RetainedEarningsAccumulatedDeficit`	$632.00M	USD	Point-in-time
Retained earnings (accumulated deficit)	`RetainedEarningsAccumulatedDeficit`	$-845.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-90.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-98.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.36B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.35B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.06B	USD	Point-in-time
Total Liabilities and Shareholders Equity	`LiabilitiesAndStockholdersEquity`	$35.53B	USD	Point-in-time
Total Liabilities and Shareholders Equity	`LiabilitiesAndStockholdersEquity`	$33.47B	USD	Point-in-time
Bad debt reserve	`AllowanceForDoubtfulAccountsReceivableCurrent`	$52.00M	USD	Point-in-time
Bad debt reserve	`AllowanceForDoubtfulAccountsReceivableCurrent`	$21.00M	USD	Point-in-time
Accrued Unbilled Revenues, Allowance for Credit Losses, Current	`AccruedUnbilledRevenuesAllowanceforCreditLossesCurrent`	-	USD	Point-in-time
Accrued Unbilled Revenues, Allowance for Credit Losses, Current	`AccruedUnbilledRevenuesAllowanceforCreditLossesCurrent`	$5.00M	USD	Point-in-time
Cumulative preferred stock, $0.01 par value, 20,000,000 shares authorized	`CumulativePreferredStock`	-	USD	Point-in-time
Cumulative preferred stock, $0.01 par value, 20,000,000 shares authorized	`CumulativePreferredStock`	-	USD	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, $0.01 par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, $0.01 par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, $0.01 par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	551.36M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	502.24M	shares	Point-in-time

Income Statement 108 line items

Line Item	Tag	Value	Unit	Period
Utility revenues	`RegulatedOperatingRevenue`	$7.05B	USD	Annual
Utility revenues	`RegulatedOperatingRevenue`	$7.20B	USD	Annual
Utility revenues	`RegulatedOperatingRevenue`	$6.20B	USD	Annual
Non-utility revenues	`UnregulatedOperatingRevenue`	$362.00M	USD	Annual
Non-utility revenues	`UnregulatedOperatingRevenue`	$369.00M	USD	Annual
Non-utility revenues	`UnregulatedOperatingRevenue`	$78.00M	USD	Annual
Total	`Revenues`	$7.56B	USD	Annual
Total	`Revenues`	$6.28B	USD	Annual
Total	`Revenues`	$7.42B	USD	Annual
Utility natural gas, fuel and purchased power	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.76B	USD	Annual
Utility natural gas, fuel and purchased power	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.46B	USD	Annual
Utility natural gas, fuel and purchased power	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.49B	USD	Annual
Non-utility cost of revenues, including natural gas	`CostOfGoodsAndServicesSold`	$257.00M	USD	Annual
Non-utility cost of revenues, including natural gas	`CostOfGoodsAndServicesSold`	$257.00M	USD	Annual
Non-utility cost of revenues, including natural gas	`CostOfGoodsAndServicesSold`	$40.00M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$2.74B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$2.77B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$2.27B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.19B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.23B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.23B	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$516.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$474.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$404.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$185.00M	USD	Annual
Total	`CostsAndExpenses`	$6.38B	USD	Annual
Total	`CostsAndExpenses`	$5.41B	USD	Annual
Total	`CostsAndExpenses`	$6.49B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.07B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.04B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$868.00M	USD	Annual
Gain (loss) on marketable securities	`MarketableSecuritiesGainLoss`	$282.00M	USD	Annual
Gain (loss) on marketable securities	`MarketableSecuritiesGainLoss`	$49.00M	USD	Annual
Gain (loss) on marketable securities	`MarketableSecuritiesGainLoss`	$-22.00M	USD	Annual
Loss on indexed debt securities	`GainLossOnIndexedDebtSecurities`	$-292.00M	USD	Annual
Loss on indexed debt securities	`GainLossOnIndexedDebtSecurities`	$-60.00M	USD	Annual
Loss on indexed debt securities	`GainLossOnIndexedDebtSecurities`	$-232.00M	USD	Annual
Interest expense and other finance charges	`InterestAndDebtExpense`	$361.00M	USD	Annual
Interest expense and other finance charges	`InterestAndDebtExpense`	$501.00M	USD	Annual
Interest expense and other finance charges	`InterestAndDebtExpense`	$528.00M	USD	Annual
Interest expense on Securitization Bonds	`InterestOnTransitionAndSystemRestorationBonds`	$59.00M	USD	Annual
Interest expense on Securitization Bonds	`InterestOnTransitionAndSystemRestorationBonds`	$39.00M	USD	Annual
Interest expense on Securitization Bonds	`InterestOnTransitionAndSystemRestorationBonds`	$28.00M	USD	Annual
Equity in earnings (loss) of unconsolidated affiliates, net	`IncomeLossFromEquityMethodInvestments`	$230.00M	USD	Annual
Equity in earnings (loss) of unconsolidated affiliates, net	`IncomeLossFromEquityMethodInvestments`	$-1.43B	USD	Annual
Equity in earnings (loss) of unconsolidated affiliates, net	`IncomeLossFromEquityMethodInvestments`	$307.00M	USD	Annual
Interest Income	`InterestIncomeOther`	$17.00M	USD	Annual
Interest Income	`InterestIncomeOther`	$24.00M	USD	Annual
Interest Income	`InterestIncomeOther`	$3.00M	USD	Annual
Interest Income on Securitization Bonds	`InterestIncomeonTransitionandSystemRestorationBonds`	$4.00M	USD	Annual
Interest Income on Securitization Bonds	`InterestIncomeonTransitionandSystemRestorationBonds`	$5.00M	USD	Annual
Interest Income on Securitization Bonds	`InterestIncomeonTransitionandSystemRestorationBonds`	$1.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$28.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$60.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$22.00M	USD	Annual
Total	`NonoperatingIncomeExpense`	$-317.00M	USD	Annual
Total	`NonoperatingIncomeExpense`	$-297.00M	USD	Annual
Total	`NonoperatingIncomeExpense`	$-1.90B	USD	Annual
Income (Loss) from Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$774.00M	USD	Annual
Income (Loss) from Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$551.00M	USD	Annual
Income (Loss) from Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-865.00M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$155.00M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-274.00M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$92.00M	USD	Annual
Income From Continuing Operations	`IncomeLossFromContinuingOperations`	$-591.00M	USD	Annual
Income From Continuing Operations	`IncomeLossFromContinuingOperations`	$682.00M	USD	Annual
Income From Continuing Operations	`IncomeLossFromContinuingOperations`	$396.00M	USD	Annual
Income (Loss) from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-28.00M	USD	Annual
Income (Loss) from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-182.00M	USD	Annual
Income (Loss) from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$109.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$368.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$117.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$176.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$35.00M	USD	Annual
Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-949.00M	USD	Annual
Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$674.00M	USD	Annual
Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$333.00M	USD	Annual
Income tax expense (benefit) from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$21.00M	USD	Annual
Income tax expense (benefit) from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$46.00M	USD	Annual
Income tax expense (benefit) from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-9.00M	USD	Annual
Basic earnings (loss) per common share - continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.80	USD	Annual
Basic earnings (loss) per common share - continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.12	USD	Annual
Basic earnings (loss) per common share - continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$-1.45	USD	Annual
Basic earnings (loss) per common share - discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.34	USD	Annual
Basic earnings (loss) per common share - discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$0.22	USD	Annual
Basic earnings (loss) per common share - discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.06	USD	Annual
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.74	USD	Annual
Earnings Per Share, Basic	`EarningsPerShareBasic`	$-1.79	USD	Annual
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.34	USD	Annual
Diluted earnings (loss) per common share - continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.80	USD	Annual
Diluted earnings (loss) per common share - continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.12	USD	Annual
Diluted earnings (loss) per common share - continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-1.45	USD	Annual
Diluted earnings (loss) per common share - discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.06	USD	Annual
Diluted earnings (loss) per common share - discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.34	USD	Annual
Diluted earnings (loss) per common share - discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$0.21	USD	Annual
Diluted Earnings (Loss) Per Common Share	`EarningsPerShareDiluted`	$0.74	USD	Annual
Diluted Earnings (Loss) Per Common Share	`EarningsPerShareDiluted`	$-1.79	USD	Annual
Diluted Earnings (Loss) Per Common Share	`EarningsPerShareDiluted`	$1.33	USD	Annual
Weighted Average Common Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	531.03M	shares	Annual
Weighted Average Common Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	502.05M	shares	Annual
Weighted Average Common Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	448.83M	shares	Annual
Weighted Average Common Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	452.46M	shares	Annual
Weighted Average Common Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	531.03M	shares	Annual
Weighted Average Common Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	505.16M	shares	Annual

Cash Flow Statement 173 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$368.00M	USD	Annual
Net income (loss) from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-28.00M	USD	Annual
Net income (loss) from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-182.00M	USD	Annual
Net income (loss) from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$109.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.19B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.23B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.23B	USD	Annual
Depreciation and amortization on assets held for sale	`DepreciationAndAmortizationDiscontinuedOperations`	$13.00M	USD	Annual
Depreciation and amortization on assets held for sale	`DepreciationAndAmortizationDiscontinuedOperations`	-	USD	Annual
Depreciation and amortization on assets held for sale	`DepreciationAndAmortizationDiscontinuedOperations`	$62.00M	USD	Annual
Amortization of deferred financing costs	`AmortizationOfFinancingCosts`	$48.00M	USD	Annual
Amortization of deferred financing costs	`AmortizationOfFinancingCosts`	$28.00M	USD	Annual
Amortization of deferred financing costs	`AmortizationOfFinancingCosts`	$29.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-429.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$69.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$48.00M	USD	Annual
Amortization of intangible assets in Non-utility cost of revenues	`AmortizationOfIntangibleAssets`	$24.00M	USD	Annual
Amortization of intangible assets in Non-utility cost of revenues	`AmortizationOfIntangibleAssets`	$2.00M	USD	Annual
Amortization of intangible assets in Non-utility cost of revenues	`AmortizationOfIntangibleAssets`	-	USD	Annual
Goodwill impairment and loss from reclassification to held for sale	`Goodwillimpairmentandlossfromreclassificationtoheldforsale`	$48.00M	USD	Annual
Goodwill impairment and loss from reclassification to held for sale	`Goodwillimpairmentandlossfromreclassificationtoheldforsale`	-	USD	Annual
Goodwill impairment and loss from reclassification to held for sale	`Goodwillimpairmentandlossfromreclassificationtoheldforsale`	$175.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$185.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-2.00M	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments`	$49.00M	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments`	$-22.00M	USD	Annual
Unrealized loss (gain) on marketable securities	`MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments`	$282.00M	USD	Annual
Loss (gain) on indexed debt securities	`IndexedDebtSecuritiesGainLoss`	$-60.00M	USD	Annual
Loss (gain) on indexed debt securities	`IndexedDebtSecuritiesGainLoss`	$-232.00M	USD	Annual
Loss (gain) on indexed debt securities	`IndexedDebtSecuritiesGainLoss`	$-292.00M	USD	Annual
Write-down of natural gas inventory	`InventoryWriteDown`	$2.00M	USD	Annual
Write-down of natural gas inventory	`InventoryWriteDown`	$3.00M	USD	Annual
Write-down of natural gas inventory	`InventoryWriteDown`	$4.00M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-1.43B	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$307.00M	USD	Annual
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$230.00M	USD	Annual
Distributions from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$267.00M	USD	Annual
Distributions from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$113.00M	USD	Annual
Distributions from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$261.00M	USD	Annual
Pension contributions	`PensionContributions`	$69.00M	USD	Annual
Pension contributions	`PensionContributions`	$109.00M	USD	Annual
Pension contributions	`PensionContributions`	$86.00M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$154.00M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-90.00M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-226.00M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$52.00M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-1.00M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-9.00M	USD	Annual
Taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-24.00M	USD	Annual
Taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	-	USD	Annual
Taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$106.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-455.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$220.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$2.00M	USD	Annual
Fuel cost recovery	`IncreaseDecreaseInOverUnderEnergyRecovery`	$-92.00M	USD	Annual
Fuel cost recovery	`IncreaseDecreaseInOverUnderEnergyRecovery`	$-33.00M	USD	Annual
Fuel cost recovery	`IncreaseDecreaseInOverUnderEnergyRecovery`	$21.00M	USD	Annual
Non-trading derivatives, net	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	-	USD	Annual
Non-trading derivatives, net	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	$-103.00M	USD	Annual
Non-trading derivatives, net	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	$64.00M	USD	Annual
Margin deposits, net	`IncreaseDecreaseInMarginDepositsOutstanding`	$56.00M	USD	Annual
Margin deposits, net	`IncreaseDecreaseInMarginDepositsOutstanding`	$-72.00M	USD	Annual
Margin deposits, net	`IncreaseDecreaseInMarginDepositsOutstanding`	$-5.00M	USD	Annual
Interest and taxes accrued	`IncreaseDecreaseInterestAndTaxesAccrued`	$54.00M	USD	Annual
Interest and taxes accrued	`IncreaseDecreaseInterestAndTaxesAccrued`	$24.00M	USD	Annual
Interest and taxes accrued	`IncreaseDecreaseInterestAndTaxesAccrued`	$40.00M	USD	Annual
Net regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-28.00M	USD	Annual
Net regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$114.00M	USD	Annual
Net regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$86.00M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$22.00M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$20.00M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	-	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-107.00M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-24.00M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$28.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-6.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-103.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-12.00M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-54.00M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$12.00M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$13.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$9.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$12.00M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	-	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.00B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.64B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.14B	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$2.60B	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$1.65B	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$2.51B	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$5.99B	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Distributions from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$42.00M	USD	Annual
Distributions from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$80.00M	USD	Annual
Distributions from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$30.00M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$398.00M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	Annual
Proceeds from divestitures (Note 4)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from divestitures (Note 4)	`ProceedsFromDivestitureOfBusinesses`	$1.22B	USD	Annual
Proceeds from divestitures (Note 4)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$5.00M	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Purchase of investments	`PaymentsToAcquireInvestments`	-	USD	Annual
Purchase of investments	`PaymentsToAcquireInvestments`	$6.00M	USD	Annual
Purchase of investments	`PaymentsToAcquireInvestments`	-	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-16.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-35.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-36.00M	USD	Annual
Net Cash Provided by (Used in) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.21B	USD	Annual
Net Cash Provided by (Used in) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-8.42B	USD	Annual
Net Cash Provided by (Used in) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.26B	USD	Annual
Decrease in short-term borrowings, net	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	Annual
Decrease in short-term borrowings, net	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	Annual
Decrease in short-term borrowings, net	`ProceedsFromRepaymentsOfOtherDebt`	$-39.00M	USD	Annual
Proceeds from Lines of Credit	`ProceedsFromLinesOfCredit`	$1.05B	USD	Annual
Proceeds from Lines of Credit	`ProceedsFromLinesOfCredit`	$135.00M	USD	Annual
Proceeds from Lines of Credit	`ProceedsFromLinesOfCredit`	-	USD	Annual
Repayments of Lines of Credit	`RepaymentsOfLinesOfCredit`	$135.00M	USD	Annual
Repayments of Lines of Credit	`RepaymentsOfLinesOfCredit`	$1.05B	USD	Annual
Repayments of Lines of Credit	`RepaymentsOfLinesOfCredit`	-	USD	Annual
Proceeds from (payments of) commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$1.89B	USD	Annual
Proceeds from (payments of) commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-1.54B	USD	Annual
Proceeds from (payments of) commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-761.00M	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.92B	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$799.00M	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.50B	USD	Annual
Payments of long-term debt	`RepaymentsOfLongTermDebt`	$484.00M	USD	Annual
Payments of long-term debt	`RepaymentsOfLongTermDebt`	$1.30B	USD	Annual
Payments of long-term debt	`RepaymentsOfLongTermDebt`	$1.72B	USD	Annual
Payment of debt issuance costs	`PaymentOfFinancingAndStockIssuanceCosts`	$47.00M	USD	Annual
Payment of debt issuance costs	`PaymentOfFinancingAndStockIssuanceCosts`	$20.00M	USD	Annual
Payment of debt issuance costs	`PaymentOfFinancingAndStockIssuanceCosts`	$8.00M	USD	Annual
Payment of dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$577.00M	USD	Annual
Payment of dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$392.00M	USD	Annual
Payment of dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$499.00M	USD	Annual
Payment of dividends on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$118.00M	USD	Annual
Payment of dividends on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$137.00M	USD	Annual
Payment of dividends on preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$11.00M	USD	Annual
Proceeds from issuance of Common Stock, net	`ProceedsFromIssuanceOfCommonStock`	$672.00M	USD	Annual
Proceeds from issuance of Common Stock, net	`ProceedsFromIssuanceOfCommonStock`	$1.84B	USD	Annual
Proceeds from issuance of Common Stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from Issuance of Preferred Stock and Preference Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Proceeds from Issuance of Preferred Stock and Preference Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$1.74B	USD	Annual
Proceeds from Issuance of Preferred Stock and Preference Stock	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$723.00M	USD	Annual
Distribution to ZENS holders	`DistributionToZENSHolders`	$398.00M	USD	Annual
Distribution to ZENS holders	`DistributionToZENSHolders`	-	USD	Annual
Distribution to ZENS holders	`DistributionToZENSHolders`	-	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-5.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.00M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-14.00M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-834.00M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.78B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$3.05B	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$3.98B	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-104.00M	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-4.01B	USD	Annual
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$296.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$167.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.28B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.28B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$167.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$296.00M	USD	Point-in-time

Stockholders Equity 28 line items

Line Item	Tag	Value	Unit	Period
Balance, beginning of year	`CommonStockSharesOutstanding`	551.36M	shares	Point-in-time
Balance, beginning of year	`CommonStockSharesOutstanding`	502.24M	shares	Point-in-time
Balance, end of year	`CommonStockSharesOutstanding`	551.36M	shares	Point-in-time
Balance, end of year	`CommonStockSharesOutstanding`	502.24M	shares	Point-in-time
Balance, beginning of year	`StockholdersEquity`	$8.36B	USD	Point-in-time
Balance, beginning of year	`StockholdersEquity`	$8.35B	USD	Point-in-time
Balance, beginning of year	`StockholdersEquity`	$8.06B	USD	Point-in-time
Net Income (Loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$368.00M	USD	Annual
Balance, end of year	`StockholdersEquity`	$8.36B	USD	Point-in-time
Balance, end of year	`StockholdersEquity`	$8.35B	USD	Point-in-time
Balance, end of year	`StockholdersEquity`	$8.06B	USD	Point-in-time
Amortization of Beneficial Conversion Feature	`AmortizationofBeneficialConversionFeature`	-	USD	Annual
Amortization of Beneficial Conversion Feature	`AmortizationofBeneficialConversionFeature`	$32.00M	USD	Annual
Amortization of Beneficial Conversion Feature	`AmortizationofBeneficialConversionFeature`	-	USD	Annual
Beneficial Conversion Feature	`Noncashtransactionbeneficialconversionfeature`	-	USD	Annual
Beneficial Conversion Feature	`Noncashtransactionbeneficialconversionfeature`	-	USD	Annual
Beneficial Conversion Feature	`Noncashtransactionbeneficialconversionfeature`	$32.00M	USD	Annual
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Common stock, $0.01 par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, $0.01 par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, $0.01 par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time

Comprehensive Income 42 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$368.00M	USD	Annual
Adjustment to pension and other postretirement plans	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$10.00M	USD	Annual
Adjustment to pension and other postretirement plans	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-12.00M	USD	Annual
Adjustment to pension and other postretirement plans	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$5.00M	USD	Annual
Net deferred gain (loss) from cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-15.00M	USD	Annual
Net deferred gain (loss) from cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	-	USD	Annual
Net deferred gain (loss) from cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-2.00M	USD	Annual
Reclassification of net deferred losses from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationToRegulatoryAssetAfterTax`	-	USD	Annual
Reclassification of net deferred losses from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationToRegulatoryAssetAfterTax`	-	USD	Annual
Reclassification of net deferred losses from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationToRegulatoryAssetAfterTax`	$15.00M	USD	Annual
Other comprehensive loss from unconsolidated affiliates, net of tax	`OciEquityMethodInvestmentAfterTax`	$-2.00M	USD	Annual
Other comprehensive loss from unconsolidated affiliates, net of tax	`OciEquityMethodInvestmentAfterTax`	$-1.00M	USD	Annual
Other comprehensive loss from unconsolidated affiliates, net of tax	`OciEquityMethodInvestmentAfterTax`	-	USD	Annual
Total	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$10.00M	USD	Annual
Total	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-25.00M	USD	Annual
Total	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$8.00M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetofTaxBeforePreferredStockDiv`	$-765.00M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetofTaxBeforePreferredStockDiv`	$343.00M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetofTaxBeforePreferredStockDiv`	$801.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$176.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$35.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$117.00M	USD	Annual
Comprehensive income (loss) available to common shareholders	`ComprehensiveIncomeNetOfTax`	$-941.00M	USD	Annual
Comprehensive income (loss) available to common shareholders	`ComprehensiveIncomeNetOfTax`	$308.00M	USD	Annual
Comprehensive income (loss) available to common shareholders	`ComprehensiveIncomeNetOfTax`	$684.00M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-2.00M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$4.00M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	-	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-4.00M	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-1.00M	USD	Annual
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	Annual
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	Annual
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	-	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	$4.00M	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	-	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	-	USD	Annual
Other comprehensive loss from unconsolidated affiliates, tax	`OciEquityMethodInvestmentTax`	-	USD	Annual
Other comprehensive loss from unconsolidated affiliates, tax	`OciEquityMethodInvestmentTax`	-	USD	Annual
Other comprehensive loss from unconsolidated affiliates, tax	`OciEquityMethodInvestmentTax`	-	USD	Annual

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