10-K Filing

CMS ENERGY CORP CIK: 811156 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0000811156-25-000036`
Period End Date	20241231
Filing Date	20250211
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	cms-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 214 Income Statement 186 Cash Flow Statement 196 Stockholders Equity 78 Comprehensive Income 102

Balance Sheet 214 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable and accrued revenue, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$21.00M	USD	Point-in-time
Accounts receivable and accrued revenue, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$21.00M	USD	Point-in-time
Accounts receivable and accrued revenue, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$23.00M	USD	Point-in-time
Accounts receivable and accrued revenue, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$23.00M	USD	Point-in-time
Common stock authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Common stock authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Common stock authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Common stock authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Common stock outstanding (in shares)	`CommonStockSharesOutstanding`	294.40M	shares	Point-in-time
Common stock outstanding (in shares)	`CommonStockSharesOutstanding`	294.40M	shares	Point-in-time
Common stock outstanding (in shares)	`CommonStockSharesOutstanding`	298.80M	shares	Point-in-time
Common stock outstanding (in shares)	`CommonStockSharesOutstanding`	298.80M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$227.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$227.00M	USD	Point-in-time
Preferred stock authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$103.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$103.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$21.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$21.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$75.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$75.00M	USD	Point-in-time
Gas in underground storage	`EnergyRelatedInventoryGasStoredUnderground`	$435.00M	USD	Point-in-time
Gas in underground storage	`EnergyRelatedInventoryGasStoredUnderground`	$435.00M	USD	Point-in-time
Gas in underground storage	`EnergyRelatedInventoryGasStoredUnderground`	$587.00M	USD	Point-in-time
Gas in underground storage	`EnergyRelatedInventoryGasStoredUnderground`	$587.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$267.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$267.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$299.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$299.00M	USD	Point-in-time
Generating plant fuel stock	`EnergyRelatedInventoryOtherFossilFuel`	$84.00M	USD	Point-in-time
Generating plant fuel stock	`EnergyRelatedInventoryOtherFossilFuel`	$84.00M	USD	Point-in-time
Generating plant fuel stock	`EnergyRelatedInventoryOtherFossilFuel`	$35.00M	USD	Point-in-time
Generating plant fuel stock	`EnergyRelatedInventoryOtherFossilFuel`	$35.00M	USD	Point-in-time
Deferred property taxes	`DeferredPropertyTaxes`	$448.00M	USD	Point-in-time
Deferred property taxes	`DeferredPropertyTaxes`	$448.00M	USD	Point-in-time
Deferred property taxes	`DeferredPropertyTaxes`	$426.00M	USD	Point-in-time
Deferred property taxes	`DeferredPropertyTaxes`	$426.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$229.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$229.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$203.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$203.00M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$80.00M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$80.00M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$103.00M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$103.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.84B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.84B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.79B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.79B	USD	Point-in-time
Plant, property, and equipment, gross	`PropertyPlantAndEquipmentGrossExcludingCWIP`	$33.13B	USD	Point-in-time
Plant, property, and equipment, gross	`PropertyPlantAndEquipmentGrossExcludingCWIP`	$33.13B	USD	Point-in-time
Plant, property, and equipment, gross	`PropertyPlantAndEquipmentGrossExcludingCWIP`	$34.93B	USD	Point-in-time
Plant, property, and equipment, gross	`PropertyPlantAndEquipmentGrossExcludingCWIP`	$34.93B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.01B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.01B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.57B	USD	Point-in-time
Less accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.57B	USD	Point-in-time
Plant, property, and equipment, net	`PropertyPlantAndEquipmentNetExcludingCWIP`	$25.36B	USD	Point-in-time
Plant, property, and equipment, net	`PropertyPlantAndEquipmentNetExcludingCWIP`	$25.36B	USD	Point-in-time
Plant, property, and equipment, net	`PropertyPlantAndEquipmentNetExcludingCWIP`	$24.13B	USD	Point-in-time
Plant, property, and equipment, net	`PropertyPlantAndEquipmentNetExcludingCWIP`	$24.13B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$944.00M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$944.00M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$2.10B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$2.10B	USD	Point-in-time
Total plant, property, and equipment	`PropertyPlantAndEquipmentNet`	$27.46B	USD	Point-in-time
Total plant, property, and equipment	`PropertyPlantAndEquipmentNet`	$27.46B	USD	Point-in-time
Total plant, property, and equipment	`PropertyPlantAndEquipmentNet`	$25.07B	USD	Point-in-time
Total plant, property, and equipment	`PropertyPlantAndEquipmentNet`	$25.07B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$3.57B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$3.57B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$3.68B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$3.68B	USD	Point-in-time
Accounts receivable	`LongTermAccountsNotesAndLoansReceivableNetNoncurrent`	$20.00M	USD	Point-in-time
Accounts receivable	`LongTermAccountsNotesAndLoansReceivableNetNoncurrent`	$20.00M	USD	Point-in-time
Accounts receivable	`LongTermAccountsNotesAndLoansReceivableNetNoncurrent`	$22.00M	USD	Point-in-time
Accounts receivable	`LongTermAccountsNotesAndLoansReceivableNetNoncurrent`	$22.00M	USD	Point-in-time
Investments	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$76.00M	USD	Point-in-time
Investments	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$76.00M	USD	Point-in-time
Investments	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$69.00M	USD	Point-in-time
Investments	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$69.00M	USD	Point-in-time
Postretirement benefits	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$1.47B	USD	Point-in-time
Postretirement benefits	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$1.47B	USD	Point-in-time
Postretirement benefits	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$1.63B	USD	Point-in-time
Postretirement benefits	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$1.63B	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$384.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$384.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$357.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$357.00M	USD	Point-in-time
Total other non-current assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$5.61B	USD	Point-in-time
Total other non-current assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$5.61B	USD	Point-in-time
Total other non-current assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$5.67B	USD	Point-in-time
Total other non-current assets	`AssetsNoncurrentOtherThanPropertyPlantAndEquipment`	$5.67B	USD	Point-in-time
Total Assets	`Assets`	$35.92B	USD	Point-in-time
Total Assets	`Assets`	$35.92B	USD	Point-in-time
Total Assets	`Assets`	$33.52B	USD	Point-in-time
Total Assets	`Assets`	$33.52B	USD	Point-in-time
Current portion of long-term debt and finance leases	`LongTermDebtAndLeaseObligationCurrentExcludingNotesPayable`	$980.00M	USD	Point-in-time
Current portion of long-term debt and finance leases	`LongTermDebtAndLeaseObligationCurrentExcludingNotesPayable`	$980.00M	USD	Point-in-time
Current portion of long-term debt and finance leases	`LongTermDebtAndLeaseObligationCurrentExcludingNotesPayable`	$1.20B	USD	Point-in-time
Current portion of long-term debt and finance leases	`LongTermDebtAndLeaseObligationCurrentExcludingNotesPayable`	$1.20B	USD	Point-in-time
Notes payable	`NotesPayableCurrent`	$65.00M	USD	Point-in-time
Notes payable	`NotesPayableCurrent`	$65.00M	USD	Point-in-time
Notes payable	`NotesPayableCurrent`	$93.00M	USD	Point-in-time
Notes payable	`NotesPayableCurrent`	$93.00M	USD	Point-in-time
Accrued rate refunds	`AccruedRateRefunds`	$38.00M	USD	Point-in-time
Accrued rate refunds	`AccruedRateRefunds`	$38.00M	USD	Point-in-time
Accrued rate refunds	`AccruedRateRefunds`	$54.00M	USD	Point-in-time
Accrued rate refunds	`AccruedRateRefunds`	$54.00M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$156.00M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$156.00M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$142.00M	USD	Point-in-time
Accrued interest	`InterestAndDividendsPayableCurrent`	$142.00M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$612.00M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$612.00M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$654.00M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$654.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$111.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$111.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$56.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$56.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$209.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$209.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$149.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$149.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.90B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.90B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.52B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.52B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$15.19B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$15.19B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$14.51B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$14.51B	USD	Point-in-time
Non-current portion of finance leases	`FinanceLeaseLiabilityNoncurrent`	$112.00M	USD	Point-in-time
Non-current portion of finance leases	`FinanceLeaseLiabilityNoncurrent`	$112.00M	USD	Point-in-time
Non-current portion of finance leases	`FinanceLeaseLiabilityNoncurrent`	$62.00M	USD	Point-in-time
Non-current portion of finance leases	`FinanceLeaseLiabilityNoncurrent`	$62.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.89B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.89B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$4.07B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$4.07B	USD	Point-in-time
Postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$106.00M	USD	Point-in-time
Postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$106.00M	USD	Point-in-time
Postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$96.00M	USD	Point-in-time
Postretirement benefits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$96.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$728.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$728.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$771.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$771.00M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$126.00M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$126.00M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$122.00M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$122.00M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.62B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.62B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.92B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.92B	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$415.00M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$415.00M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$407.00M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$407.00M	USD	Point-in-time
Total non-current liabilities	`LiabilitiesNoncurrent`	$23.65B	USD	Point-in-time
Total non-current liabilities	`LiabilitiesNoncurrent`	$23.65B	USD	Point-in-time
Total non-current liabilities	`LiabilitiesNoncurrent`	$22.50B	USD	Point-in-time
Total non-current liabilities	`LiabilitiesNoncurrent`	$22.50B	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$3.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$3.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$3.00M	USD	Point-in-time
Common stock	`CommonStockValue`	$3.00M	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$5.71B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$5.71B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$6.01B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$6.01B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.04B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.04B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.66B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.66B	USD	Point-in-time
Total common stockholders equity	`CommonStockholdersEquity`	$7.32B	USD	Point-in-time
Total common stockholders equity	`CommonStockholdersEquity`	$7.32B	USD	Point-in-time
Total common stockholders equity	`CommonStockholdersEquity`	$8.01B	USD	Point-in-time
Total common stockholders equity	`CommonStockholdersEquity`	$8.01B	USD	Point-in-time
Cumulative redeemable perpetual preferred stock	`PreferredStockValue`	$224.00M	USD	Point-in-time
Cumulative redeemable perpetual preferred stock	`PreferredStockValue`	$224.00M	USD	Point-in-time
Cumulative redeemable perpetual preferred stock	`PreferredStockValue`	$224.00M	USD	Point-in-time
Cumulative redeemable perpetual preferred stock	`PreferredStockValue`	$224.00M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$7.54B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$7.54B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$8.23B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$8.23B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$518.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$518.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$581.00M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$581.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.75B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.75B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.12B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.12B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.59B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.59B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$35.92B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$35.92B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$33.52B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$33.52B	USD	Point-in-time

Income Statement 186 line items

Line Item	Tag	Value	Unit	Period
Tax effect of discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	-	USD	Annual
Tax effect of discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	-	USD	Annual
Tax effect of discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$1.00M	USD	Annual
Tax effect of discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$1.00M	USD	Annual
Tax effect of discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	-	USD	Annual
Tax effect of discontinued operations	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	-	USD	Annual
Operating Revenue	`Revenues`	$7.51B	USD	Annual
Operating Revenue	`Revenues`	$7.51B	USD	Annual
Operating Revenue	`Revenues`	$7.46B	USD	Annual
Operating Revenue	`Revenues`	$7.46B	USD	Annual
Operating Revenue	`Revenues`	$8.60B	USD	Annual
Operating Revenue	`Revenues`	$8.60B	USD	Annual
Fuel for electric generation	`FuelCosts`	$561.00M	USD	Annual
Fuel for electric generation	`FuelCosts`	$561.00M	USD	Annual
Fuel for electric generation	`FuelCosts`	$905.00M	USD	Annual
Fuel for electric generation	`FuelCosts`	$905.00M	USD	Annual
Fuel for electric generation	`FuelCosts`	$624.00M	USD	Annual
Fuel for electric generation	`FuelCosts`	$624.00M	USD	Annual
Purchased power related parties	`PurchasedPowerRelatedParties`	$75.00M	USD	Annual
Purchased power related parties	`PurchasedPowerRelatedParties`	$75.00M	USD	Annual
Purchased power related parties	`PurchasedPowerRelatedParties`	$71.00M	USD	Annual
Purchased power related parties	`PurchasedPowerRelatedParties`	$71.00M	USD	Annual
Purchased power related parties	`PurchasedPowerRelatedParties`	$76.00M	USD	Annual
Purchased power related parties	`PurchasedPowerRelatedParties`	$76.00M	USD	Annual
Maintenance and other operating expenses	`OtherCostAndExpenseOperating`	$1.69B	USD	Annual
Maintenance and other operating expenses	`OtherCostAndExpenseOperating`	$1.69B	USD	Annual
Maintenance and other operating expenses	`OtherCostAndExpenseOperating`	$1.67B	USD	Annual
Maintenance and other operating expenses	`OtherCostAndExpenseOperating`	$1.67B	USD	Annual
Maintenance and other operating expenses	`OtherCostAndExpenseOperating`	$1.64B	USD	Annual
Maintenance and other operating expenses	`OtherCostAndExpenseOperating`	$1.64B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.18B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.18B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.24B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.24B	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$482.00M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$482.00M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$447.00M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$447.00M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$412.00M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$412.00M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.03B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.03B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$7.37B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$7.37B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.23B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.23B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.22B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.22B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.24B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.24B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.49B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.49B	USD	Annual
Non-operating retirement benefits, net	`OtherNonoperatingIncomeExpenseRetirementBenefitsNet`	$169.00M	USD	Annual
Non-operating retirement benefits, net	`OtherNonoperatingIncomeExpenseRetirementBenefitsNet`	$169.00M	USD	Annual
Non-operating retirement benefits, net	`OtherNonoperatingIncomeExpenseRetirementBenefitsNet`	$205.00M	USD	Annual
Non-operating retirement benefits, net	`OtherNonoperatingIncomeExpenseRetirementBenefitsNet`	$205.00M	USD	Annual
Non-operating retirement benefits, net	`OtherNonoperatingIncomeExpenseRetirementBenefitsNet`	$180.00M	USD	Annual
Non-operating retirement benefits, net	`OtherNonoperatingIncomeExpenseRetirementBenefitsNet`	$180.00M	USD	Annual
Other income	`OtherNonoperatingIncome`	$207.00M	USD	Annual
Other income	`OtherNonoperatingIncome`	$207.00M	USD	Annual
Other income	`OtherNonoperatingIncome`	$19.00M	USD	Annual
Other income	`OtherNonoperatingIncome`	$19.00M	USD	Annual
Other income	`OtherNonoperatingIncome`	$195.00M	USD	Annual
Other income	`OtherNonoperatingIncome`	$195.00M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$13.00M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$13.00M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$32.00M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$32.00M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$27.00M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$27.00M	USD	Annual
Total other income	`NonoperatingIncomeExpense`	$344.00M	USD	Annual
Total other income	`NonoperatingIncomeExpense`	$344.00M	USD	Annual
Total other income	`NonoperatingIncomeExpense`	$197.00M	USD	Annual
Total other income	`NonoperatingIncomeExpense`	$197.00M	USD	Annual
Total other income	`NonoperatingIncomeExpense`	$362.00M	USD	Annual
Total other income	`NonoperatingIncomeExpense`	$362.00M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$700.00M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$700.00M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$616.00M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$616.00M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$509.00M	USD	Annual
Interest on long-term debt	`InterestExpenseDebt`	$509.00M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.00M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.00M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$18.00M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$18.00M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$3.00M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$3.00M	USD	Annual
Total interest charges	`InterestExpenseNonoperating`	$708.00M	USD	Annual
Total interest charges	`InterestExpenseNonoperating`	$708.00M	USD	Annual
Total interest charges	`InterestExpenseNonoperating`	$519.00M	USD	Annual
Total interest charges	`InterestExpenseNonoperating`	$519.00M	USD	Annual
Total interest charges	`InterestExpenseNonoperating`	$643.00M	USD	Annual
Total interest charges	`InterestExpenseNonoperating`	$643.00M	USD	Annual
Income (Loss) Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$954.00M	USD	Annual
Income (Loss) Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$954.00M	USD	Annual
Income (Loss) Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.12B	USD	Annual
Income (Loss) Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.12B	USD	Annual
Income (Loss) Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$902.00M	USD	Annual
Income (Loss) Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$902.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$147.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$147.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$93.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$93.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$176.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$176.00M	USD	Annual
Income (Loss) From Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$809.00M	USD	Annual
Income (Loss) From Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$809.00M	USD	Annual
Income (Loss) From Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$807.00M	USD	Annual
Income (Loss) From Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$807.00M	USD	Annual
Income (Loss) From Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$947.00M	USD	Annual
Income (Loss) From Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$947.00M	USD	Annual
Income From Discontinued Operations, Net of Tax of $, $, and $1	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income From Discontinued Operations, Net of Tax of $, $, and $1	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income From Discontinued Operations, Net of Tax of $, $, and $1	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$4.00M	USD	Annual
Income From Discontinued Operations, Net of Tax of $, $, and $1	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$4.00M	USD	Annual
Income From Discontinued Operations, Net of Tax of $, $, and $1	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$1.00M	USD	Annual
Income From Discontinued Operations, Net of Tax of $, $, and $1	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$1.00M	USD	Annual
Net Income	`ProfitLoss`	$947.00M	USD	Annual
Net Income	`ProfitLoss`	$947.00M	USD	Annual
Net Income	`ProfitLoss`	$808.00M	USD	Annual
Net Income	`ProfitLoss`	$808.00M	USD	Annual
Net Income	`ProfitLoss`	$813.00M	USD	Annual
Net Income	`ProfitLoss`	$813.00M	USD	Annual
Loss Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-24.00M	USD	Annual
Loss Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-24.00M	USD	Annual
Loss Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-79.00M	USD	Annual
Loss Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-79.00M	USD	Annual
Loss Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-56.00M	USD	Annual
Loss Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-56.00M	USD	Annual
Net Income	`NetIncomeLoss`	$1.00B	USD	Annual
Net Income	`NetIncomeLoss`	$1.00B	USD	Annual
Net Income	`NetIncomeLoss`	$837.00M	USD	Annual
Net Income	`NetIncomeLoss`	$837.00M	USD	Annual
Net Income	`NetIncomeLoss`	$887.00M	USD	Annual
Net Income	`NetIncomeLoss`	$887.00M	USD	Annual
Preferred Stock Dividends	`PreferredStockDividendsIncomeStatementImpact`	$10.00M	USD	Annual
Preferred Stock Dividends	`PreferredStockDividendsIncomeStatementImpact`	$10.00M	USD	Annual
Preferred Stock Dividends	`PreferredStockDividendsIncomeStatementImpact`	$10.00M	USD	Annual
Preferred Stock Dividends	`PreferredStockDividendsIncomeStatementImpact`	$10.00M	USD	Annual
Preferred Stock Dividends	`PreferredStockDividendsIncomeStatementImpact`	$10.00M	USD	Annual
Preferred Stock Dividends	`PreferredStockDividendsIncomeStatementImpact`	$10.00M	USD	Annual
Net Income (Loss) Available to Common Stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$827.00M	USD	Annual
Net Income (Loss) Available to Common Stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$827.00M	USD	Annual
Net Income (Loss) Available to Common Stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$877.00M	USD	Annual
Net Income (Loss) Available to Common Stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$877.00M	USD	Annual
Net Income (Loss) Available to Common Stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$993.00M	USD	Annual
Net Income (Loss) Available to Common Stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$993.00M	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.34	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.34	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.84	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.84	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.01	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.01	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.01	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.01	USD	Annual
Basic earnings per average common share (in dollars per share)	`EarningsPerShareBasic`	$3.34	USD	Annual
Basic earnings per average common share (in dollars per share)	`EarningsPerShareBasic`	$3.34	USD	Annual
Basic earnings per average common share (in dollars per share)	`EarningsPerShareBasic`	$2.85	USD	Annual
Basic earnings per average common share (in dollars per share)	`EarningsPerShareBasic`	$2.85	USD	Annual
Basic earnings per average common share (in dollars per share)	`EarningsPerShareBasic`	$3.01	USD	Annual
Basic earnings per average common share (in dollars per share)	`EarningsPerShareBasic`	$3.01	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.84	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.84	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.33	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.33	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.01	USD	Annual
Income from continuing operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.01	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.01	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.01	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Diluted earnings per average common share (in dollars per share)	`EarningsPerShareDiluted`	$3.01	USD	Annual
Diluted earnings per average common share (in dollars per share)	`EarningsPerShareDiluted`	$3.01	USD	Annual
Diluted earnings per average common share (in dollars per share)	`EarningsPerShareDiluted`	$2.85	USD	Annual
Diluted earnings per average common share (in dollars per share)	`EarningsPerShareDiluted`	$2.85	USD	Annual
Diluted earnings per average common share (in dollars per share)	`EarningsPerShareDiluted`	$3.33	USD	Annual
Diluted earnings per average common share (in dollars per share)	`EarningsPerShareDiluted`	$3.33	USD	Annual

Cash Flow Statement 196 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$947.00M	USD	Annual
Net Income	`ProfitLoss`	$947.00M	USD	Annual
Net Income	`ProfitLoss`	$808.00M	USD	Annual
Net Income	`ProfitLoss`	$808.00M	USD	Annual
Net Income	`ProfitLoss`	$813.00M	USD	Annual
Net Income	`ProfitLoss`	$813.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.13B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.18B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.18B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.24B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.24B	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$142.00M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$142.00M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$89.00M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$89.00M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$157.00M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$157.00M	USD	Annual
Bad debt expense	`ProvisionForDoubtfulAccounts`	$34.00M	USD	Annual
Bad debt expense	`ProvisionForDoubtfulAccounts`	$34.00M	USD	Annual
Bad debt expense	`ProvisionForDoubtfulAccounts`	$33.00M	USD	Annual
Bad debt expense	`ProvisionForDoubtfulAccounts`	$33.00M	USD	Annual
Bad debt expense	`ProvisionForDoubtfulAccounts`	$50.00M	USD	Annual
Bad debt expense	`ProvisionForDoubtfulAccounts`	$50.00M	USD	Annual
Postretirement benefits contributions	`PensionAndOtherPostretirementBenefitContributions`	$13.00M	USD	Annual
Postretirement benefits contributions	`PensionAndOtherPostretirementBenefitContributions`	$13.00M	USD	Annual
Postretirement benefits contributions	`PensionAndOtherPostretirementBenefitContributions`	$12.00M	USD	Annual
Postretirement benefits contributions	`PensionAndOtherPostretirementBenefitContributions`	$12.00M	USD	Annual
Postretirement benefits contributions	`PensionAndOtherPostretirementBenefitContributions`	$12.00M	USD	Annual
Postretirement benefits contributions	`PensionAndOtherPostretirementBenefitContributions`	$12.00M	USD	Annual
Gain from sale of EnerBank	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	Annual
Gain from sale of EnerBank	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	Annual
Gain from sale of EnerBank	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	Annual
Gain from sale of EnerBank	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	Annual
Gain from sale of EnerBank	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	$5.00M	USD	Annual
Gain from sale of EnerBank	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	$5.00M	USD	Annual
Other non-cash operating activities and reconciling adjustments	`OtherNoncashIncomeExpense`	$93.00M	USD	Annual
Other non-cash operating activities and reconciling adjustments	`OtherNoncashIncomeExpense`	$93.00M	USD	Annual
Other non-cash operating activities and reconciling adjustments	`OtherNoncashIncomeExpense`	$274.00M	USD	Annual
Other non-cash operating activities and reconciling adjustments	`OtherNoncashIncomeExpense`	$274.00M	USD	Annual
Other non-cash operating activities and reconciling adjustments	`OtherNoncashIncomeExpense`	$241.00M	USD	Annual
Other non-cash operating activities and reconciling adjustments	`OtherNoncashIncomeExpense`	$241.00M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsAndOtherReceivables`	$155.00M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsAndOtherReceivables`	$155.00M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-241.00M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-241.00M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsAndOtherReceivables`	$677.00M	USD	Annual
Accounts receivable and accrued revenue	`IncreaseDecreaseInAccountsAndOtherReceivables`	$677.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$450.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$450.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-185.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-185.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-164.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-164.00M	USD	Annual
Accounts payable and accrued rate refunds	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$15.00M	USD	Annual
Accounts payable and accrued rate refunds	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$15.00M	USD	Annual
Accounts payable and accrued rate refunds	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$4.00M	USD	Annual
Accounts payable and accrued rate refunds	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$4.00M	USD	Annual
Accounts payable and accrued rate refunds	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-136.00M	USD	Annual
Accounts payable and accrued rate refunds	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-136.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-14.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-14.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-42.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-42.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$21.00M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$21.00M	USD	Annual
Other non-current assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-196.00M	USD	Annual
Other non-current assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-196.00M	USD	Annual
Other non-current assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-147.00M	USD	Annual
Other non-current assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-147.00M	USD	Annual
Other non-current assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$4.00M	USD	Annual
Other non-current assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$4.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.37B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.37B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.31B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.31B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$855.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$855.00M	USD	Annual
Net proceeds from sale of EnerBank	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	Annual
Net proceeds from sale of EnerBank	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	Annual
Net proceeds from sale of EnerBank	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$5.00M	USD	Annual
Net proceeds from sale of EnerBank	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$5.00M	USD	Annual
Net proceeds from sale of EnerBank	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	Annual
Net proceeds from sale of EnerBank	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	Annual
Cost to retire property and other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$107.00M	USD	Annual
Cost to retire property and other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$107.00M	USD	Annual
Cost to retire property and other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$160.00M	USD	Annual
Cost to retire property and other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$160.00M	USD	Annual
Cost to retire property and other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$167.00M	USD	Annual
Cost to retire property and other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$167.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.39B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.39B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.05B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.05B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.48B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.48B	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$3.55B	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$3.55B	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.96B	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.96B	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.90B	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.90B	USD	Annual
Retirement of debt	`RepaymentsOfLongTermDebt`	$952.00M	USD	Annual
Retirement of debt	`RepaymentsOfLongTermDebt`	$952.00M	USD	Annual
Retirement of debt	`RepaymentsOfLongTermDebt`	$106.00M	USD	Annual
Retirement of debt	`RepaymentsOfLongTermDebt`	$106.00M	USD	Annual
Retirement of debt	`RepaymentsOfLongTermDebt`	$2.13B	USD	Annual
Retirement of debt	`RepaymentsOfLongTermDebt`	$2.13B	USD	Annual
Increase (decrease) in notes payable	`ProceedsFromRepaymentsOfShortTermDebt`	$73.00M	USD	Annual
Increase (decrease) in notes payable	`ProceedsFromRepaymentsOfShortTermDebt`	$73.00M	USD	Annual
Increase (decrease) in notes payable	`ProceedsFromRepaymentsOfShortTermDebt`	$20.00M	USD	Annual
Increase (decrease) in notes payable	`ProceedsFromRepaymentsOfShortTermDebt`	$20.00M	USD	Annual
Increase (decrease) in notes payable	`ProceedsFromRepaymentsOfShortTermDebt`	$-28.00M	USD	Annual
Increase (decrease) in notes payable	`ProceedsFromRepaymentsOfShortTermDebt`	$-28.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$192.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$192.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$286.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$286.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$69.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$69.00M	USD	Annual
Payment of dividends on common and preferred stock	`PaymentsOfOrdinaryDividendsCommonAndPreferred`	$626.00M	USD	Annual
Payment of dividends on common and preferred stock	`PaymentsOfOrdinaryDividendsCommonAndPreferred`	$626.00M	USD	Annual
Payment of dividends on common and preferred stock	`PaymentsOfOrdinaryDividendsCommonAndPreferred`	$544.00M	USD	Annual
Payment of dividends on common and preferred stock	`PaymentsOfOrdinaryDividendsCommonAndPreferred`	$544.00M	USD	Annual
Payment of dividends on common and preferred stock	`PaymentsOfOrdinaryDividendsCommonAndPreferred`	$579.00M	USD	Annual
Payment of dividends on common and preferred stock	`PaymentsOfOrdinaryDividendsCommonAndPreferred`	$579.00M	USD	Annual
Proceeds from the sale of membership interest in VIE to tax equity investor	`ProceedsFromSaleOfInterestInPartnershipUnit`	$49.00M	USD	Annual
Proceeds from the sale of membership interest in VIE to tax equity investor	`ProceedsFromSaleOfInterestInPartnershipUnit`	$49.00M	USD	Annual
Proceeds from the sale of membership interest in VIE to tax equity investor	`ProceedsFromSaleOfInterestInPartnershipUnit`	$86.00M	USD	Annual
Proceeds from the sale of membership interest in VIE to tax equity investor	`ProceedsFromSaleOfInterestInPartnershipUnit`	$86.00M	USD	Annual
Proceeds from the sale of membership interest in VIE to tax equity investor	`ProceedsFromSaleOfInterestInPartnershipUnit`	-	USD	Annual
Proceeds from the sale of membership interest in VIE to tax equity investor	`ProceedsFromSaleOfInterestInPartnershipUnit`	-	USD	Annual
Contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$5.00M	USD	Annual
Contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$5.00M	USD	Annual
Contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$6.00M	USD	Annual
Contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$6.00M	USD	Annual
Contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$2.00M	USD	Annual
Contributions from noncontrolling interests	`ProceedsFromMinorityShareholders`	$2.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$4.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$4.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$12.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$12.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$12.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$12.00M	USD	Annual
Other financing costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-42.00M	USD	Annual
Other financing costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-42.00M	USD	Annual
Other financing costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-58.00M	USD	Annual
Other financing costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-58.00M	USD	Annual
Other financing costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-21.00M	USD	Annual
Other financing costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-21.00M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$614.00M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$614.00M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.33B	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.33B	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.14B	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.14B	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-294.00M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-294.00M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$66.00M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$66.00M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-70.00M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-70.00M	USD	Annual
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$248.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$248.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$178.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$178.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$476.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$476.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$248.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$248.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$178.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$178.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$476.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$476.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.00M	USD	Point-in-time
Interest paid (net of amounts capitalized)	`InterestPaidNet`	$607.00M	USD	Annual
Interest paid (net of amounts capitalized)	`InterestPaidNet`	$607.00M	USD	Annual
Interest paid (net of amounts capitalized)	`InterestPaidNet`	$490.00M	USD	Annual
Interest paid (net of amounts capitalized)	`InterestPaidNet`	$490.00M	USD	Annual
Interest paid (net of amounts capitalized)	`InterestPaidNet`	$677.00M	USD	Annual
Interest paid (net of amounts capitalized)	`InterestPaidNet`	$677.00M	USD	Annual
Income taxes paid (proceeds from sale of renewable energy tax credits), net	`IncomeTaxesPaidNet`	$1.00M	USD	Annual
Income taxes paid (proceeds from sale of renewable energy tax credits), net	`IncomeTaxesPaidNet`	$1.00M	USD	Annual
Income taxes paid (proceeds from sale of renewable energy tax credits), net	`IncomeTaxesPaidNet`	$-69.00M	USD	Annual
Income taxes paid (proceeds from sale of renewable energy tax credits), net	`IncomeTaxesPaidNet`	$-69.00M	USD	Annual
Income taxes paid (proceeds from sale of renewable energy tax credits), net	`IncomeTaxesPaidNet`	$15.00M	USD	Annual
Income taxes paid (proceeds from sale of renewable energy tax credits), net	`IncomeTaxesPaidNet`	$15.00M	USD	Annual
Capital expenditures not paid	`CapitalExpendituresIncurredButNotYetPaid`	$228.00M	USD	Annual
Capital expenditures not paid	`CapitalExpendituresIncurredButNotYetPaid`	$228.00M	USD	Annual
Capital expenditures not paid	`CapitalExpendituresIncurredButNotYetPaid`	$265.00M	USD	Annual
Capital expenditures not paid	`CapitalExpendituresIncurredButNotYetPaid`	$265.00M	USD	Annual
Capital expenditures not paid	`CapitalExpendituresIncurredButNotYetPaid`	$517.00M	USD	Annual
Capital expenditures not paid	`CapitalExpendituresIncurredButNotYetPaid`	$517.00M	USD	Annual

Stockholders Equity 78 line items

Line Item	Tag	Value	Unit	Period
Beginning of period (in shares)	`CommonStockSharesOutstanding`	294.40M	shares	Point-in-time
Beginning of period (in shares)	`CommonStockSharesOutstanding`	294.40M	shares	Point-in-time
Beginning of period (in shares)	`CommonStockSharesOutstanding`	298.80M	shares	Point-in-time
Beginning of period (in shares)	`CommonStockSharesOutstanding`	298.80M	shares	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.75B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.75B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.12B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.12B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.19B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.19B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.59B	USD	Point-in-time
Total Equity at Beginning of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.59B	USD	Point-in-time
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$2.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$2.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$5.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$5.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$-1.00M	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$-1.00M	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$2.00M	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$2.00M	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$947.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$947.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$808.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$808.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$813.00M	USD	Annual
Net income (loss)	`ProfitLoss`	$813.00M	USD	Annual
End of period (in shares)	`CommonStockSharesOutstanding`	294.40M	shares	Point-in-time
End of period (in shares)	`CommonStockSharesOutstanding`	294.40M	shares	Point-in-time
End of period (in shares)	`CommonStockSharesOutstanding`	298.80M	shares	Point-in-time
End of period (in shares)	`CommonStockSharesOutstanding`	298.80M	shares	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.75B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.75B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.12B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.12B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.19B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.19B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.59B	USD	Point-in-time
Total Equity at End of Period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.59B	USD	Point-in-time
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.95	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.95	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.84	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.84	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.06	USD	Annual
Dividends declared per common share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.06	USD	Annual
Dividends declared per preferred stock Series C depositary share (in dollars per share)	`PreferredStockDividendsPerShareDeclared`	$1.05	USD	Annual
Dividends declared per preferred stock Series C depositary share (in dollars per share)	`PreferredStockDividendsPerShareDeclared`	$1.05	USD	Annual
Dividends declared per preferred stock Series C depositary share (in dollars per share)	`PreferredStockDividendsPerShareDeclared`	$1.05	USD	Annual
Dividends declared per preferred stock Series C depositary share (in dollars per share)	`PreferredStockDividendsPerShareDeclared`	$1.05	USD	Annual
Dividends declared per preferred stock Series C depositary share (in dollars per share)	`PreferredStockDividendsPerShareDeclared`	$1.05	USD	Annual
Dividends declared per preferred stock Series C depositary share (in dollars per share)	`PreferredStockDividendsPerShareDeclared`	$1.05	USD	Annual

Comprehensive Income 102 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$947.00M	USD	Annual
Net Income	`ProfitLoss`	$947.00M	USD	Annual
Net Income	`ProfitLoss`	$808.00M	USD	Annual
Net Income	`ProfitLoss`	$808.00M	USD	Annual
Net gain (loss) arising during the period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$2.00M	USD	Annual
Net gain (loss) arising during the period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$2.00M	USD	Annual
Net Income	`ProfitLoss`	$813.00M	USD	Annual
Net Income	`ProfitLoss`	$813.00M	USD	Annual
Net gain (loss) arising during the period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	-	USD	Annual
Net gain (loss) arising during the period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	-	USD	Annual
Net gain (loss) arising during the period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$1.00M	USD	Annual
Net gain (loss) arising during the period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$1.00M	USD	Annual
Prior service credit adjustment, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Prior service credit adjustment, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Prior service credit adjustment, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Prior service credit adjustment, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Prior service credit adjustment, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Prior service credit adjustment, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-1.00M	USD	Annual
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-1.00M	USD	Annual
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	-	USD	Annual
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	-	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$2.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$2.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$5.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$5.00M	USD	Annual
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	-	USD	Annual
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	-	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	Annual
Net gain arising during the period	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$-1.00M	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$-1.00M	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Amortization of prior service credit, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service credit adjustment	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Unrealized gain on derivative instruments, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Unrealized gain on derivative instruments, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.00M	USD	Annual
Unrealized gain on derivative instruments, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$1.00M	USD	Annual
Unrealized gain on derivative instruments, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$1.00M	USD	Annual
Unrealized gain on derivative instruments, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Unrealized gain on derivative instruments, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Reclassification adjustments included in net income , tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Reclassification adjustments included in net income , tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Reclassification adjustments included in net income , tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Reclassification adjustments included in net income , tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Reclassification adjustments included in net income , tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Reclassification adjustments included in net income , tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Amortization of prior service credit	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-1.00M	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$2.00M	USD	Annual
Unrealized gain on investments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$2.00M	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	Annual
Reclassification adjustments included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.00M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$5.00M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$5.00M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$6.00M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$6.00M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$7.00M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$7.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$814.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$814.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$820.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$820.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$952.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$952.00M	USD	Annual
Comprehensive Loss Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-56.00M	USD	Annual
Comprehensive Loss Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-56.00M	USD	Annual
Comprehensive Loss Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-24.00M	USD	Annual
Comprehensive Loss Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-24.00M	USD	Annual
Comprehensive Loss Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-79.00M	USD	Annual
Comprehensive Loss Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-79.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$893.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$893.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$1.01B	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$1.01B	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$844.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$844.00M	USD	Annual

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