10-K Filing

CENTERPOINT ENERGY INC CIK: 1130310 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0001130310-22-000023`
Period End Date	20211231
Filing Date	20220222
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	cnp-20211231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 135 Income Statement 101 Cash Flow Statement 142 Stockholders Equity 36 Comprehensive Income 45

Balance Sheet 135 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$147.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$230.00M	USD	Point-in-time
Investment in equity securities	`MarketableSecuritiesCurrent`	$1.44B	USD	Point-in-time
Investment in equity securities	`MarketableSecuritiesCurrent`	$871.00M	USD	Point-in-time
Accounts receivable, less allowance for credit losses	`AccountsReceivableNetCurrent`	$676.00M	USD	Point-in-time
Accounts receivable, less allowance for credit losses	`AccountsReceivableNetCurrent`	$690.00M	USD	Point-in-time
Accrued unbilled revenue, less allowance for credit losses	`UnbilledReceivablesCurrent`	$505.00M	USD	Point-in-time
Accrued unbilled revenue, less allowance for credit losses	`UnbilledReceivablesCurrent`	$513.00M	USD	Point-in-time
Natural gas and coal inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$203.00M	USD	Point-in-time
Natural gas and coal inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$186.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$147.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$230.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSupplies`	$297.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSupplies`	$422.00M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$676.00M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$690.00M	USD	Point-in-time
Non-trading derivative assets	`DerivativeAssetsCurrent`	-	USD	Point-in-time
Bad debt reserve	`AllowanceForDoubtfulAccountsReceivableCurrent`	$52.00M	USD	Point-in-time
Non-trading derivative assets	`DerivativeAssetsCurrent`	$9.00M	USD	Point-in-time
Bad debt reserve	`AllowanceForDoubtfulAccountsReceivableCurrent`	$44.00M	USD	Point-in-time
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	`PrepaidExpenseAndOtherAssetsCurrent`	$132.00M	USD	Point-in-time
Taxes receivable	`IncomeTaxesReceivable`	$1.00M	USD	Point-in-time
Taxes receivable	`IncomeTaxesReceivable`	$82.00M	USD	Point-in-time
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	`PrepaidExpenseAndOtherAssetsCurrent`	$121.00M	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$2.34B	USD	Point-in-time
Regulatory assets ($420 and $633 related to VIEs, respectively)	`RegulatoryAssetsNoncurrent`	$2.09B	USD	Point-in-time
Regulatory assets ($420 and $633 related to VIEs, respectively)	`RegulatoryAssetsNoncurrent`	$2.32B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$1.40B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$18.00M	USD	Point-in-time
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	`PrepaidExpenseAndOtherAssetsCurrent`	$132.00M	USD	Point-in-time
Prepaid expense and other current assets ($19 and $15 related to VIEs, respectively)	`PrepaidExpenseAndOtherAssetsCurrent`	$121.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.92B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$7.36B	USD	Point-in-time
Cumulative preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cumulative preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cumulative preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Cumulative preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Property, Plant and Equipment, net	`PropertyPlantAndEquipmentNet`	$23.48B	USD	Point-in-time
Property, Plant and Equipment, net	`PropertyPlantAndEquipmentNet`	$22.36B	USD	Point-in-time
Cumulative preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Cumulative preferred stock, outstanding (in shares)	`PreferredStockSharesOutstanding`	1.78M	shares	Point-in-time
Cumulative preferred stock, outstanding (in shares)	`PreferredStockSharesOutstanding`	800,000.00	shares	Point-in-time
Cumulative preferred stock, outstanding (in shares)	`PreferredStockSharesOutstanding`	2.40M	shares	Point-in-time
Cumulative preferred stock, aggregate liquidation preference	`PreferredStockLiquidationPreferenceValue`	$800.00	USD	Point-in-time
Goodwill	`Goodwill`	$4.29B	USD	Point-in-time
Goodwill	`Goodwill`	$4.70B	USD	Point-in-time
Cumulative preferred stock, aggregate liquidation preference	`PreferredStockLiquidationPreferenceValue`	$2.40K	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Regulatory assets ($420 and $633 related to VIEs, respectively)	`RegulatoryAssetsNoncurrent`	$2.32B	USD	Point-in-time
Regulatory assets ($420 and $633 related to VIEs, respectively)	`RegulatoryAssetsNoncurrent`	$2.09B	USD	Point-in-time
Non-trading derivative assets	`DerivativeAssetsNoncurrent`	$5.00M	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Non-trading derivative assets	`DerivativeAssetsNoncurrent`	-	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Preferred units - unconsolidated affiliate	`EquitySecuritiesWithoutReadilyDeterminableFairValueAmountNoncurrent`	$363.00M	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	551.36M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	628.92M	shares	Point-in-time
Preferred units - unconsolidated affiliate	`EquitySecuritiesWithoutReadilyDeterminableFairValueAmountNoncurrent`	-	USD	Point-in-time
Non-current assets held for sale	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Non-current assets held for sale	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$782.00M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$253.00M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$220.00M	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$6.84B	USD	Point-in-time
Total other assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$8.19B	USD	Point-in-time
Total Assets	`Assets`	$37.68B	USD	Point-in-time
Total Assets	`Assets`	$33.47B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$24.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$7.00M	USD	Point-in-time
Current portion of VIE Securitization Bonds long-term debt	`TransitionAndSystemRestorationBondsLongTermDebtCurrent`	$220.00M	USD	Point-in-time
Current portion of VIE Securitization Bonds long-term debt	`TransitionAndSystemRestorationBondsLongTermDebtCurrent`	$211.00M	USD	Point-in-time
Indexed debt, net	`IndexedDebtCurrent`	$10.00M	USD	Point-in-time
Indexed debt, net	`IndexedDebtCurrent`	$15.00M	USD	Point-in-time
Current portion of other long-term debt	`OtherLongTermDebtCurrent`	$1.67B	USD	Point-in-time
Current portion of other long-term debt	`OtherLongTermDebtCurrent`	$308.00M	USD	Point-in-time
Indexed debt securities derivative	`IndexedDebtSecuritiesDerivative`	$953.00M	USD	Point-in-time
Indexed debt securities derivative	`IndexedDebtSecuritiesDerivative`	$903.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$1.20B	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`	$378.00M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$145.00M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$136.00M	USD	Point-in-time
Dividends accrued	`DividendsPayableCurrent`	$131.00M	USD	Point-in-time
Dividends accrued	`DividendsPayableCurrent`	$136.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$119.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$111.00M	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesCurrent`	$3.00M	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesCurrent`	$2.00M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$562.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$323.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$432.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.83B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$4.29B	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxLiabilitiesNet`	$3.60B	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxLiabilitiesNet`	$3.90B	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$27.00M	USD	Point-in-time
Non-trading derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$12.00M	USD	Point-in-time
Benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$680.00M	USD	Point-in-time
Benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$511.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.15B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.45B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$1.02B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$836.00M	USD	Point-in-time
Total other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$8.42B	USD	Point-in-time
Total other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$8.78B	USD	Point-in-time
VIE Securitization Bonds, net	`TransitionAndSystemRestorationBondsLongTermDebtNonCurrent`	$536.00M	USD	Point-in-time
VIE Securitization Bonds, net	`TransitionAndSystemRestorationBondsLongTermDebtNonCurrent`	$317.00M	USD	Point-in-time
Other long-term debt, net	`OtherLongTermDebtNoncurrent`	$15.24B	USD	Point-in-time
Other long-term debt, net	`OtherLongTermDebtNoncurrent`	$10.98B	USD	Point-in-time
Total long-term debt, net	`LongTermDebtNoncurrent`	$11.52B	USD	Point-in-time
Total long-term debt, net	`LongTermDebtNoncurrent`	$15.56B	USD	Point-in-time
Commitments and Contingencies (Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Temporary Equity (Note 19)	`TemporaryEquityCarryingAmountAttributableToParent`	-	USD	Point-in-time
Temporary Equity (Note 19)	`TemporaryEquityCarryingAmountAttributableToParent`	$3.00M	USD	Point-in-time
Cumulative preferred stock	`PreferredStockValue`	$2.36B	USD	Point-in-time
Cumulative preferred stock	`PreferredStockValue`	$790.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$6.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$6.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$6.91B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$8.53B	USD	Point-in-time
Retained earnings (accumulated deficit)	`RetainedEarningsAccumulatedDeficit`	$154.00M	USD	Point-in-time
Retained earnings (accumulated deficit)	`RetainedEarningsAccumulatedDeficit`	$-845.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-90.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-64.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$9.41B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.35B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$8.36B	USD	Point-in-time
Total Liabilities and Shareholders Equity	`LiabilitiesAndStockholdersEquity`	$37.68B	USD	Point-in-time
Total Liabilities and Shareholders Equity	`LiabilitiesAndStockholdersEquity`	$33.47B	USD	Point-in-time

Income Statement 101 line items

Line Item	Tag	Value	Unit	Period
Income tax expense (benefit) from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$201.00M	USD	Annual
Income tax expense (benefit) from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-333.00M	USD	Annual
Income tax expense (benefit) from discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$108.00M	USD	Annual
Utility revenues	`RegulatedOperatingRevenue`	$7.20B	USD	Annual
Utility revenues	`RegulatedOperatingRevenue`	$8.04B	USD	Annual
Utility revenues	`RegulatedOperatingRevenue`	$7.05B	USD	Annual
Non-utility revenues	`UnregulatedOperatingRevenue`	$362.00M	USD	Annual
Non-utility revenues	`UnregulatedOperatingRevenue`	$369.00M	USD	Annual
Non-utility revenues	`UnregulatedOperatingRevenue`	$310.00M	USD	Annual
Total	`Revenues`	$7.42B	USD	Annual
Total	`Revenues`	$8.35B	USD	Annual
Total	`Revenues`	$7.56B	USD	Annual
Utility natural gas, fuel and purchased power	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.76B	USD	Annual
Utility natural gas, fuel and purchased power	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$2.13B	USD	Annual
Utility natural gas, fuel and purchased power	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.49B	USD	Annual
Non-utility cost of revenues, including natural gas	`CostOfGoodsAndServicesSold`	$208.00M	USD	Annual
Non-utility cost of revenues, including natural gas	`CostOfGoodsAndServicesSold`	$257.00M	USD	Annual
Non-utility cost of revenues, including natural gas	`CostOfGoodsAndServicesSold`	$257.00M	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$2.81B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$2.77B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$2.74B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.19B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.32B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.23B	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$474.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$516.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$528.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$185.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Total	`CostsAndExpenses`	$6.38B	USD	Annual
Total	`CostsAndExpenses`	$6.99B	USD	Annual
Total	`CostsAndExpenses`	$6.49B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.07B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.36B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.04B	USD	Annual
Gain (loss) on equity securities	`MarketableSecuritiesGainLoss`	$49.00M	USD	Annual
Gain (loss) on equity securities	`MarketableSecuritiesGainLoss`	$-172.00M	USD	Annual
Gain (loss) on equity securities	`MarketableSecuritiesGainLoss`	$282.00M	USD	Annual
Gain (loss) on indexed debt securities	`GainLossOnIndexedDebtSecurities`	$-292.00M	USD	Annual
Gain (loss) on indexed debt securities	`GainLossOnIndexedDebtSecurities`	$50.00M	USD	Annual
Gain (loss) on indexed debt securities	`GainLossOnIndexedDebtSecurities`	$-60.00M	USD	Annual
Gain on sale	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on sale	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on sale	`GainLossOnSaleOfBusiness`	$8.00M	USD	Annual
Interest expense and other finance charges	`InterestAndDebtExpense`	$508.00M	USD	Annual
Interest expense and other finance charges	`InterestAndDebtExpense`	$528.00M	USD	Annual
Interest expense and other finance charges	`InterestAndDebtExpense`	$501.00M	USD	Annual
Interest expense on Securitization Bonds	`InterestOnTransitionAndSystemRestorationBonds`	$21.00M	USD	Annual
Interest expense on Securitization Bonds	`InterestOnTransitionAndSystemRestorationBonds`	$28.00M	USD	Annual
Interest expense on Securitization Bonds	`InterestOnTransitionAndSystemRestorationBonds`	$39.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$51.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$64.00M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$58.00M	USD	Annual
Total	`NonoperatingIncomeExpense`	$-476.00M	USD	Annual
Total	`NonoperatingIncomeExpense`	$-585.00M	USD	Annual
Total	`NonoperatingIncomeExpense`	$-526.00M	USD	Annual
Income from Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$778.00M	USD	Annual
Income from Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$563.00M	USD	Annual
Income from Continuing Operations Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$545.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$110.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$30.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$80.00M	USD	Annual
Income From Continuing Operations	`IncomeLossFromContinuingOperations`	$668.00M	USD	Annual
Income From Continuing Operations	`IncomeLossFromContinuingOperations`	$483.00M	USD	Annual
Income From Continuing Operations	`IncomeLossFromContinuingOperations`	$515.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$1.49B	USD	Annual
Net Income (Loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$95.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$176.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$117.00M	USD	Annual
Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$674.00M	USD	Annual
Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-949.00M	USD	Annual
Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.39B	USD	Annual
Basic earnings per common share - continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.97	USD	Annual
Basic earnings per common share - continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.79	USD	Annual
Basic earnings per common share - continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.58	USD	Annual
Basic earnings (loss) per common share - discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-2.37	USD	Annual
Basic earnings (loss) per common share - discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$0.55	USD	Annual
Basic earnings (loss) per common share - discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$1.38	USD	Annual
Basic Earnings (Loss) Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$1.34	USD	Annual
Basic Earnings (Loss) Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$2.35	USD	Annual
Basic Earnings (Loss) Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$-1.79	USD	Annual
Diluted earnings per common share - continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.94	USD	Annual
Diluted earnings per common share - continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.79	USD	Annual
Diluted earnings per common share - continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.58	USD	Annual
Diluted earnings (loss) per common share - discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$1.34	USD	Annual
Diluted earnings (loss) per common share - discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-2.37	USD	Annual
Diluted earnings (loss) per common share - discontinued operations (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$0.54	USD	Annual
Diluted Earnings (Loss) Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$2.28	USD	Annual
Diluted Earnings (Loss) Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$1.33	USD	Annual
Diluted Earnings (Loss) Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$-1.79	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`	592.93M	shares	Annual
Weighted Average Common Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	505.16M	shares	Annual
Weighted Average Common Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	531.03M	shares	Annual
Weighted Average Common Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	609.94M	shares	Annual

Cash Flow Statement 142 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$1.49B	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.32B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.23B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.19B	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$69.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$213.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-429.00M	USD	Annual
Goodwill impairment and loss from reclassification to held for sale	`GoodwillImpairmentAndLossFromReclassificationToHeldForSale`	$175.00M	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`	$48.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	$185.00M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Loss (gain) on equity securities	`MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments`	$49.00M	USD	Annual
Loss (gain) on equity securities	`MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments`	$-172.00M	USD	Annual
Loss (gain) on equity securities	`MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments`	$282.00M	USD	Annual
Loss (gain) on indexed debt securities	`IndexedDebtSecuritiesGainLoss`	$50.00M	USD	Annual
Loss (gain) on indexed debt securities	`IndexedDebtSecuritiesGainLoss`	$-60.00M	USD	Annual
Loss (gain) on indexed debt securities	`IndexedDebtSecuritiesGainLoss`	$-292.00M	USD	Annual
Equity in (earnings) losses of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$230.00M	USD	Annual
Equity in (earnings) losses of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$339.00M	USD	Annual
Equity in (earnings) losses of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-1.43B	USD	Annual
Distributions from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$113.00M	USD	Annual
Distributions from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$261.00M	USD	Annual
Distributions from unconsolidated affiliates	`EquityMethodInvestmentDividendsOrDistributions`	$155.00M	USD	Annual
Pension contributions	`PensionContributions`	$109.00M	USD	Annual
Pension contributions	`PensionContributions`	$61.00M	USD	Annual
Pension contributions	`PensionContributions`	$86.00M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-90.00M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$98.00M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-226.00M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-9.00M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$140.00M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$52.00M	USD	Annual
Taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-81.00M	USD	Annual
Taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-24.00M	USD	Annual
Taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$106.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$2.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-455.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$175.00M	USD	Annual
Net regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$22.00M	USD	Annual
Net regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$107.00M	USD	Annual
Net regulatory assets and liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$2.29B	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$195.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-104.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-56.00M	USD	Annual
Other assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-25.00M	USD	Annual
Other assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$53.00M	USD	Annual
Other assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-49.00M	USD	Annual
Other operating activities, net	`OtherOperatingActivitiesCashFlowStatement`	$128.00M	USD	Annual
Other operating activities, net	`OtherOperatingActivitiesCashFlowStatement`	$85.00M	USD	Annual
Other operating activities, net	`OtherOperatingActivitiesCashFlowStatement`	$35.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$22.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.00B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.64B	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$2.51B	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$3.16B	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$2.60B	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
Transaction costs related to Enable Merger (Note 4)	`PaymentsForMergerRelatedActivitiesTransactionCosts`	-	USD	Annual
Transaction costs related to Enable Merger (Note 4)	`PaymentsForMergerRelatedActivitiesTransactionCosts`	-	USD	Annual
Transaction costs related to Enable Merger (Note 4)	`PaymentsForMergerRelatedActivitiesTransactionCosts`	$49.00M	USD	Annual
Cash received related to Enable Merger	`MergerRelatedTransactionsCashAcquired`	-	USD	Annual
Cash received related to Enable Merger	`MergerRelatedTransactionsCashAcquired`	$5.00M	USD	Annual
Cash received related to Enable Merger	`MergerRelatedTransactionsCashAcquired`	-	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`	$42.00M	USD	Annual
Distributions from unconsolidated affiliates in excess of cumulative earnings	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Proceeds from sale of equity securities, net of transaction costs	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	Annual
Proceeds from sale of equity securities, net of transaction costs	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	-	USD	Annual
Proceeds from sale of equity securities, net of transaction costs	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$1.32B	USD	Annual
Proceeds from divestitures (Note 4)	`ProceedsFromDivestitureOfBusinesses`	$1.22B	USD	Annual
Proceeds from divestitures (Note 4)	`ProceedsFromDivestitureOfBusinesses`	$22.00M	USD	Annual
Proceeds from divestitures (Note 4)	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Other investing activities, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-36.00M	USD	Annual
Other investing activities, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-34.00M	USD	Annual
Other investing activities, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-15.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-8.42B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.85B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.26B	USD	Annual
Decrease in short-term borrowings, net	`RepaymentsOfShortTermDebt`	$27.00M	USD	Annual
Decrease in short-term borrowings, net	`RepaymentsOfShortTermDebt`	-	USD	Annual
Decrease in short-term borrowings, net	`RepaymentsOfShortTermDebt`	-	USD	Annual
Payment of obligation for finance lease	`FinanceLeasePrincipalPayments`	$179.00M	USD	Annual
Payment of obligation for finance lease	`FinanceLeasePrincipalPayments`	-	USD	Annual
Payment of obligation for finance lease	`FinanceLeasePrincipalPayments`	-	USD	Annual
Borrowings from revolving credit facilities	`ProceedsFromLinesOfCredit`	$1.05B	USD	Annual
Borrowings from revolving credit facilities	`ProceedsFromLinesOfCredit`	-	USD	Annual
Borrowings from revolving credit facilities	`ProceedsFromLinesOfCredit`	$135.00M	USD	Annual
Repayments of revolving credit facilities	`RepaymentsOfRevolvingLinesOfCredit`	-	USD	Annual
Repayments of revolving credit facilities	`RepaymentsOfRevolvingLinesOfCredit`	$135.00M	USD	Annual
Repayments of revolving credit facilities	`RepaymentsOfRevolvingLinesOfCredit`	$1.05B	USD	Annual
Proceeds from (payments of) commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-761.00M	USD	Annual
Proceeds from (payments of) commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$1.89B	USD	Annual
Proceeds from (payments of) commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$1.13B	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.49B	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$799.00M	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.92B	USD	Annual
Payments of long-term debt, including make-whole premiums	`RepaymentsOfLongTermDebt`	$2.97B	USD	Annual
Payments of long-term debt, including make-whole premiums	`RepaymentsOfLongTermDebt`	$1.72B	USD	Annual
Payments of long-term debt, including make-whole premiums	`RepaymentsOfLongTermDebt`	$1.30B	USD	Annual
Payment of debt issuance costs	`PaymentOfFinancingAndStockIssuanceCosts`	$38.00M	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`	$385.00M	USD	Annual
Payment of dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$392.00M	USD	Annual
Payment of dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$137.00M	USD	Annual
Payment of dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$107.00M	USD	Annual
Payment of dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$118.00M	USD	Annual
Proceeds from issuance of Common Stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from issuance of Common Stock, net	`ProceedsFromIssuanceOfCommonStock`	$672.00M	USD	Annual
Proceeds from issuance of Common Stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from issuance of Series C Preferred stock, net	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Proceeds from issuance of Series C Preferred stock, net	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$723.00M	USD	Annual
Proceeds from issuance of Series C Preferred stock, net	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Other financing activities, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.00M	USD	Annual
Other financing activities, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-14.00M	USD	Annual
Other financing activities, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-5.00M	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`	$1.92B	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$87.00M	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`	$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 Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$254.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$254.00M	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`	$4.28B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.00M	USD	Point-in-time
Gain on Enable Merger	`EquityMethodInvestmentRealizedGainLossOnDisposal`	-	USD	Annual
Gain on Enable Merger	`EquityMethodInvestmentRealizedGainLossOnDisposal`	$681.00M	USD	Annual
Gain on Enable Merger	`EquityMethodInvestmentRealizedGainLossOnDisposal`	-	USD	Annual

Stockholders Equity 36 line items

Line Item	Tag	Value	Unit	Period
Cumulative preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cumulative preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cumulative preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Cumulative preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Cumulative preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Balance, beginning of period (in shares)	`PreferredStockSharesOutstanding`	1.78M	shares	Point-in-time
Balance, beginning of period (in shares)	`PreferredStockSharesOutstanding`	800,000.00	shares	Point-in-time
Balance, beginning of period (in shares)	`PreferredStockSharesOutstanding`	2.40M	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`	$9.41B	USD	Point-in-time
Balance, end of year (in shares)	`PreferredStockSharesOutstanding`	2.40M	shares	Point-in-time
Balance, end of year (in shares)	`PreferredStockSharesOutstanding`	1.78M	shares	Point-in-time
Balance, end of year (in shares)	`PreferredStockSharesOutstanding`	800,000.00	shares	Point-in-time
Balance, beginning of year (in shares)	`CommonStockSharesOutstanding`	551.36M	shares	Point-in-time
Balance, beginning of year (in shares)	`CommonStockSharesOutstanding`	628.92M	shares	Point-in-time
Recognition of beneficial conversion feature	`Noncashtransactionbeneficialconversionfeature`	$32.00M	USD	Annual
Recognition of beneficial conversion feature	`Noncashtransactionbeneficialconversionfeature`	-	USD	Annual
Recognition of beneficial conversion feature	`Noncashtransactionbeneficialconversionfeature`	-	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$1.49B	USD	Annual
Amortization of beneficial conversion feature	`AmortizationofBeneficialConversionFeature`	$32.00M	USD	Annual
Amortization of beneficial conversion feature	`AmortizationofBeneficialConversionFeature`	-	USD	Annual
Amortization of beneficial conversion feature	`AmortizationofBeneficialConversionFeature`	-	USD	Annual
Balance, end of year (in shares)	`CommonStockSharesOutstanding`	551.36M	shares	Point-in-time
Balance, end of year (in shares)	`CommonStockSharesOutstanding`	628.92M	shares	Point-in-time
Balance, end of year	`StockholdersEquity`	$9.41B	USD	Point-in-time
Balance, end of year	`StockholdersEquity`	$8.35B	USD	Point-in-time
Balance, end of year	`StockholdersEquity`	$8.36B	USD	Point-in-time

Comprehensive Income 45 line items

Line Item	Tag	Value	Unit	Period
Adjustment to other postemployment plans, tax	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	-	USD	Annual
Adjustment to other postemployment plans, tax	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-4.00M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$791.00M	USD	Annual
Adjustment to other postemployment plans, tax	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$-7.00M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$1.49B	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-773.00M	USD	Annual
Deferred loss from cash flow hedge, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Deferred loss from cash flow hedge, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Deferred loss from cash flow hedge, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-1.00M	USD	Annual
Adjustment to pension and other postretirement plans	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$5.00M	USD	Annual
Reclassification of deferred loss from cash flow hedges realized in net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Adjustment to pension and other postretirement plans	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-21.00M	USD	Annual
Reclassification of deferred loss from cash flow hedges realized in net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Reclassification of deferred loss from cash flow hedges realized in net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Adjustment to pension and other postretirement plans	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-12.00M	USD	Annual
Reclassification of net deferred losses from cash flow hedge, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	$4.00M	USD	Annual
Net deferred loss from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-2.00M	USD	Annual
Net deferred loss from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Net deferred loss from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Reclassification of net deferred losses from cash flow hedge, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	-	USD	Annual
Reclassification of net deferred losses from cash flow hedge, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	-	USD	Annual
Other comprehensive loss from unconsolidated affiliates, tax	`OciEquityMethodInvestmentTax`	-	USD	Annual
Reclassification of deferred loss from cash flow hedges realized in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	Annual
Reclassification of deferred loss from cash flow hedges realized in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.00M	USD	Annual
Other comprehensive loss from unconsolidated affiliates, tax	`OciEquityMethodInvestmentTax`	-	USD	Annual
Other comprehensive loss from unconsolidated affiliates, tax	`OciEquityMethodInvestmentTax`	-	USD	Annual
Reclassification of deferred loss from cash flow hedges realized in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification of net deferred losses from cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationToRegulatoryAssetAfterTax`	$15.00M	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
Other comprehensive loss from unconsolidated affiliates, net of tax	`OciEquityMethodInvestmentAfterTax`	$-1.00M	USD	Annual
Other comprehensive loss from unconsolidated affiliates, net of tax	`OciEquityMethodInvestmentAfterTax`	$3.00M	USD	Annual
Other comprehensive loss from unconsolidated affiliates, net of tax	`OciEquityMethodInvestmentAfterTax`	$-2.00M	USD	Annual
Total	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$10.00M	USD	Annual
Total	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$26.00M	USD	Annual
Total	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$8.00M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeLossNetOfTaxBeforePreferredStockDividends`	$1.51B	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeLossNetOfTaxBeforePreferredStockDividends`	$801.00M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeLossNetOfTaxBeforePreferredStockDividends`	$-765.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$95.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$176.00M	USD	Annual
Income allocated to preferred shareholders	`PreferredStockDividendsAndOtherAdjustments`	$117.00M	USD	Annual
Comprehensive income (loss) available to common shareholders	`ComprehensiveIncomeNetOfTax`	$684.00M	USD	Annual
Comprehensive income (loss) available to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.42B	USD	Annual
Comprehensive income (loss) available to common shareholders	`ComprehensiveIncomeNetOfTax`	$-941.00M	USD	Annual

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