10-Q Filing

EXELON CORP CIK: 1109357 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0001109357-25-000182`
Period End Date	20250930
Filing Date	20251104
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	exc-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 232 Income Statement 212 Cash Flow Statement 160 Stockholders Equity 174 Comprehensive Income 120

Balance Sheet 232 line items

Line Item	Tag	Value	Unit	Period
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.45B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.45B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$19.61B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$19.61B	USD	Point-in-time
Common stock (in dollars)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock (in dollars)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock (in dollars)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock (in dollars)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	2.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	2.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	2.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	2.00B	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	1.00B	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	1.00B	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	1.01B	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	1.01B	shares	Point-in-time
Treasury stock, common (in shares)	`TreasuryStockCommonShares`	2.00M	shares	Point-in-time
Treasury stock, common (in shares)	`TreasuryStockCommonShares`	2.00M	shares	Point-in-time
Treasury stock, common (in shares)	`TreasuryStockCommonShares`	2.00M	shares	Point-in-time
Treasury stock, common (in shares)	`TreasuryStockCommonShares`	2.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$445.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$445.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$616.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$616.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$357.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$357.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.53B	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$482.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$482.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$552.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$552.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$541.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$541.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$516.00M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$516.00M	USD	Point-in-time
Customer accounts receivable	`AccountsReceivableGrossCurrent`	$3.14B	USD	Point-in-time
Customer accounts receivable	`AccountsReceivableGrossCurrent`	$3.14B	USD	Point-in-time
Customer accounts receivable	`AccountsReceivableGrossCurrent`	$3.36B	USD	Point-in-time
Customer accounts receivable	`AccountsReceivableGrossCurrent`	$3.36B	USD	Point-in-time
Customer allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$406.00M	USD	Point-in-time
Customer allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$406.00M	USD	Point-in-time
Customer allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$451.00M	USD	Point-in-time
Customer allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$451.00M	USD	Point-in-time
Customer accounts receivable, net	`AccountsReceivableNetCurrent`	$2.74B	USD	Point-in-time
Customer accounts receivable, net	`AccountsReceivableNetCurrent`	$2.74B	USD	Point-in-time
Customer accounts receivable, net	`AccountsReceivableNetCurrent`	$2.90B	USD	Point-in-time
Customer accounts receivable, net	`AccountsReceivableNetCurrent`	$2.90B	USD	Point-in-time
Other accounts receivable	`OtherReceivablesGrossCurrent`	$1.12B	USD	Point-in-time
Other accounts receivable	`OtherReceivablesGrossCurrent`	$1.12B	USD	Point-in-time
Other accounts receivable	`OtherReceivablesGrossCurrent`	$1.19B	USD	Point-in-time
Other accounts receivable	`OtherReceivablesGrossCurrent`	$1.19B	USD	Point-in-time
Other allowance for credit losses	`AllowanceForDoubtfulOtherReceivablesCurrent`	$107.00M	USD	Point-in-time
Other allowance for credit losses	`AllowanceForDoubtfulOtherReceivablesCurrent`	$107.00M	USD	Point-in-time
Other allowance for credit losses	`AllowanceForDoubtfulOtherReceivablesCurrent`	$98.00M	USD	Point-in-time
Other allowance for credit losses	`AllowanceForDoubtfulOtherReceivablesCurrent`	$98.00M	USD	Point-in-time
Other accounts receivable, net	`OtherReceivablesNetCurrent`	$1.02B	USD	Point-in-time
Other accounts receivable, net	`OtherReceivablesNetCurrent`	$1.02B	USD	Point-in-time
Other accounts receivable, net	`OtherReceivablesNetCurrent`	$1.09B	USD	Point-in-time
Other accounts receivable, net	`OtherReceivablesNetCurrent`	$1.09B	USD	Point-in-time
Fossil fuel	`EnergyRelatedInventoryNaturalGasInStorage`	$72.00M	USD	Point-in-time
Fossil fuel	`EnergyRelatedInventoryNaturalGasInStorage`	$72.00M	USD	Point-in-time
Fossil fuel	`EnergyRelatedInventoryNaturalGasInStorage`	$100.00M	USD	Point-in-time
Fossil fuel	`EnergyRelatedInventoryNaturalGasInStorage`	$100.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSuppliesNetOfReserves`	$781.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSuppliesNetOfReserves`	$781.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSuppliesNetOfReserves`	$788.00M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSuppliesNetOfReserves`	$788.00M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$1.94B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$1.94B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$1.49B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$1.49B	USD	Point-in-time
Prepaid renewable energy credits	`OtherPrepaidExpenseCurrent`	$494.00M	USD	Point-in-time
Prepaid renewable energy credits	`OtherPrepaidExpenseCurrent`	$494.00M	USD	Point-in-time
Prepaid renewable energy credits	`OtherPrepaidExpenseCurrent`	$445.00M	USD	Point-in-time
Prepaid renewable energy credits	`OtherPrepaidExpenseCurrent`	$445.00M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$445.00M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$445.00M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$359.00M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$359.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$8.38B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$8.38B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$9.23B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$9.23B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$78.18B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$78.18B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$82.10B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$82.10B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$8.71B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$8.71B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$8.88B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$8.88B	USD	Point-in-time
Goodwill	`Goodwill`	$6.63B	USD	Point-in-time
Goodwill	`Goodwill`	$6.63B	USD	Point-in-time
Goodwill	`Goodwill`	$6.63B	USD	Point-in-time
Goodwill	`Goodwill`	$6.63B	USD	Point-in-time
Receivable related to Regulatory Agreement Units	`NontradeReceivablesNoncurrent`	$4.03B	USD	Point-in-time
Receivable related to Regulatory Agreement Units	`NontradeReceivablesNoncurrent`	$4.03B	USD	Point-in-time
Receivable related to Regulatory Agreement Units	`NontradeReceivablesNoncurrent`	$4.66B	USD	Point-in-time
Receivable related to Regulatory Agreement Units	`NontradeReceivablesNoncurrent`	$4.66B	USD	Point-in-time
Investments	`LongTermInvestments`	$290.00M	USD	Point-in-time
Investments	`LongTermInvestments`	$290.00M	USD	Point-in-time
Investments	`LongTermInvestments`	$307.00M	USD	Point-in-time
Investments	`LongTermInvestments`	$307.00M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$1.56B	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$1.56B	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$1.73B	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$1.73B	USD	Point-in-time
Total deferred debits and other assets	`DeferredCostsAndOtherAssets`	$21.22B	USD	Point-in-time
Total deferred debits and other assets	`DeferredCostsAndOtherAssets`	$21.22B	USD	Point-in-time
Total deferred debits and other assets	`DeferredCostsAndOtherAssets`	$22.21B	USD	Point-in-time
Total deferred debits and other assets	`DeferredCostsAndOtherAssets`	$22.21B	USD	Point-in-time
Total assets	`Assets`	$107.78B	USD	Point-in-time
Total assets	`Assets`	$107.78B	USD	Point-in-time
Total assets	`Assets`	$113.54B	USD	Point-in-time
Total assets	`Assets`	$113.54B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.86B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.86B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.08B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.08B	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.45B	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.45B	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.17B	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$2.17B	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.47B	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.47B	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.41B	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$1.41B	USD	Point-in-time
Customer deposits	`ContractWithCustomerRefundLiabilityCurrent`	$446.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerRefundLiabilityCurrent`	$446.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerRefundLiabilityCurrent`	$507.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerRefundLiabilityCurrent`	$507.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$411.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$411.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$507.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$507.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesCurrent`	$29.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesCurrent`	$29.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesCurrent`	$28.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesCurrent`	$28.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesCurrent`	$5.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesCurrent`	$5.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesCurrent`	$5.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesCurrent`	$5.00M	USD	Point-in-time
Renewable energy credit obligations	`RenewableEnergyCreditObligationCurrent`	$429.00M	USD	Point-in-time
Renewable energy credit obligations	`RenewableEnergyCreditObligationCurrent`	$429.00M	USD	Point-in-time
Renewable energy credit obligations	`RenewableEnergyCreditObligationCurrent`	$352.00M	USD	Point-in-time
Renewable energy credit obligations	`RenewableEnergyCreditObligationCurrent`	$352.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$512.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$512.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$519.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$519.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.61B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.61B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.82B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$9.82B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$42.95B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$42.95B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$46.28B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$46.28B	USD	Point-in-time
Long-term debt to financing trusts	`LongTermDebtToFinancingTrusts`	$390.00M	USD	Point-in-time
Long-term debt to financing trusts	`LongTermDebtToFinancingTrusts`	$390.00M	USD	Point-in-time
Long-term debt to financing trusts	`LongTermDebtToFinancingTrusts`	$390.00M	USD	Point-in-time
Long-term debt to financing trusts	`LongTermDebtToFinancingTrusts`	$390.00M	USD	Point-in-time
Deferred income taxes and unamortized investment tax credits	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$12.79B	USD	Point-in-time
Deferred income taxes and unamortized investment tax credits	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$12.79B	USD	Point-in-time
Deferred income taxes and unamortized investment tax credits	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$13.52B	USD	Point-in-time
Deferred income taxes and unamortized investment tax credits	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$13.52B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$10.20B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$10.20B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$10.90B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$10.90B	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$1.75B	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$1.75B	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$1.48B	USD	Point-in-time
Pension obligations	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$1.48B	USD	Point-in-time
Non-pension postretirement benefit obligations	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$472.00M	USD	Point-in-time
Non-pension postretirement benefit obligations	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$472.00M	USD	Point-in-time
Non-pension postretirement benefit obligations	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$493.00M	USD	Point-in-time
Non-pension postretirement benefit obligations	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$493.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$301.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$301.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$303.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$303.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$103.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$103.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$109.00M	USD	Point-in-time
Mark-to-market derivative liabilities	`DerivativeLiabilitiesNoncurrent`	$109.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesNoncurrent`	$21.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesNoncurrent`	$21.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesNoncurrent`	$18.00M	USD	Point-in-time
Unamortized energy contract liabilities	`EnergyMarketingContractLiabilitiesNoncurrent`	$18.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$2.28B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$2.28B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$2.10B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$2.10B	USD	Point-in-time
Total deferred credits and other liabilities	`DeferredCreditsAndOtherLiabilities`	$27.91B	USD	Point-in-time
Total deferred credits and other liabilities	`DeferredCreditsAndOtherLiabilities`	$27.91B	USD	Point-in-time
Total deferred credits and other liabilities	`DeferredCreditsAndOtherLiabilities`	$28.93B	USD	Point-in-time
Total deferred credits and other liabilities	`DeferredCreditsAndOtherLiabilities`	$28.93B	USD	Point-in-time
Total liabilities	`Liabilities`	$80.86B	USD	Point-in-time
Total liabilities	`Liabilities`	$80.86B	USD	Point-in-time
Total liabilities	`Liabilities`	$85.43B	USD	Point-in-time
Total liabilities	`Liabilities`	$85.43B	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`	$21.34B	USD	Point-in-time
Common stock	`CommonStockValue`	$21.34B	USD	Point-in-time
Common stock	`CommonStockValue`	$21.56B	USD	Point-in-time
Common stock	`CommonStockValue`	$21.56B	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$123.00M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$123.00M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$123.00M	USD	Point-in-time
Treasury stock, at cost	`TreasuryStockValue`	$123.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$6.43B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$6.43B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$7.39B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$7.39B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-720.00M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-720.00M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-715.00M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-715.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$26.92B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$26.92B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$28.11B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$28.11B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$107.78B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$107.78B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$113.54B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$113.54B	USD	Point-in-time

Income Statement 212 line items

Line Item	Tag	Value	Unit	Period
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-54.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-54.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-29.00M	USD	3 Qtrs
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-29.00M	USD	3 Qtrs
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-220.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-220.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-621.00M	USD	3 Qtrs
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-621.00M	USD	3 Qtrs
Total operating revenues	`Revenues`	$6.15B	USD	1 Quarter
Total operating revenues	`Revenues`	$6.15B	USD	1 Quarter
Total operating revenues	`Revenues`	$17.56B	USD	3 Qtrs
Total operating revenues	`Revenues`	$17.56B	USD	3 Qtrs
Total operating revenues	`Revenues`	$6.71B	USD	1 Quarter
Total operating revenues	`Revenues`	$6.71B	USD	1 Quarter
Total operating revenues	`Revenues`	$18.85B	USD	3 Qtrs
Total operating revenues	`Revenues`	$18.85B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.27B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.27B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.76B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.76B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.17B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.17B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.84B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.84B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$908.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$908.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.68B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.68B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$912.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$912.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.72B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.72B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$395.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$395.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.13B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.13B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$429.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$429.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.22B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.22B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$4.96B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$4.96B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$14.35B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$14.35B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$5.21B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$5.21B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$14.88B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$14.88B	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$3.00M	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$3.00M	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$12.00M	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$12.00M	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	-	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	-	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$1.00M	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$1.00M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$1.20B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.20B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$3.22B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$3.22B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$1.50B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.50B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$3.96B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$3.96B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$490.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$490.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$1.43B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$1.43B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$531.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$531.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$1.56B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$1.56B	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$57.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$57.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$196.00M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$196.00M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$68.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$68.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$185.00M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$185.00M	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-439.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-439.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.25B	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.25B	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-470.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-470.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.39B	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.39B	USD	3 Qtrs
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$757.00M	USD	1 Quarter
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$757.00M	USD	1 Quarter
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.97B	USD	3 Qtrs
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.97B	USD	3 Qtrs
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.03B	USD	1 Quarter
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.03B	USD	1 Quarter
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.57B	USD	3 Qtrs
Income (Loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.57B	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$50.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$50.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$158.00M	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$158.00M	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$396.00M	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$396.00M	USD	3 Qtrs
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$707.00M	USD	1 Quarter
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$707.00M	USD	1 Quarter
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.81B	USD	3 Qtrs
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.81B	USD	3 Qtrs
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$875.00M	USD	1 Quarter
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$875.00M	USD	1 Quarter
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.17B	USD	3 Qtrs
Net income attributable to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$2.17B	USD	3 Qtrs
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.00M	USD	1 Quarter
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.00M	USD	1 Quarter
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-15.00M	USD	3 Qtrs
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-15.00M	USD	3 Qtrs
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.00M	USD	1 Quarter
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.00M	USD	1 Quarter
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-16.00M	USD	3 Qtrs
Actuarial losses reclassified to periodic benefit cost	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-16.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$-26.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$-26.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$5.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit plans valuation adjustments	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$5.00M	USD	3 Qtrs
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-29.00M	USD	1 Quarter
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-29.00M	USD	1 Quarter
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$1.00M	USD	3 Qtrs
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$1.00M	USD	3 Qtrs
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-2.00M	USD	1 Quarter
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-2.00M	USD	1 Quarter
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-16.00M	USD	3 Qtrs
Unrealized (loss) gain on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-16.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$14.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$14.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-24.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-24.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-10.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-10.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$2.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$2.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$3.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$3.00M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$5.00M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$5.00M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$683.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$683.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$1.80B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$1.80B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$878.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$878.00M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$2.18B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$2.18B	USD	3 Qtrs
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.00B	shares	1 Quarter
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.00B	shares	1 Quarter
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.00B	shares	3 Qtrs
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.00B	shares	3 Qtrs
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.01B	shares	1 Quarter
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.01B	shares	1 Quarter
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.01B	shares	3 Qtrs
Basic average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	1.01B	shares	3 Qtrs
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	1.00M	shares	1 Quarter
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	1.00M	shares	1 Quarter
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	0.00	shares	3 Qtrs
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	0.00	shares	3 Qtrs
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	2.00M	shares	1 Quarter
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	2.00M	shares	1 Quarter
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	1.00M	shares	3 Qtrs
Assumed exercise and/or distributions of stock-based awards (in shares)	`IncrementalCommonSharesAttributableToShareBasedPaymentArrangements`	1.00M	shares	3 Qtrs
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.00B	shares	1 Quarter
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.00B	shares	1 Quarter
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.00B	shares	3 Qtrs
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.00B	shares	3 Qtrs
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.01B	shares	1 Quarter
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.01B	shares	1 Quarter
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.01B	shares	3 Qtrs
Diluted average shares of common stock outstanding (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	1.01B	shares	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.70	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.70	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.81	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.81	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.87	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.87	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$2.15	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$2.15	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.70	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.70	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.81	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.81	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.86	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.86	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$2.15	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$2.15	USD	3 Qtrs

Cash Flow Statement 160 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Depreciation, amortization, and accretion	`DepreciationAmortizationAndAccretionNet`	$2.68B	USD	3 Qtrs
Depreciation, amortization, and accretion	`DepreciationAmortizationAndAccretionNet`	$2.68B	USD	3 Qtrs
Depreciation, amortization, and accretion	`DepreciationAmortizationAndAccretionNet`	$2.72B	USD	3 Qtrs
Depreciation, amortization, and accretion	`DepreciationAmortizationAndAccretionNet`	$2.72B	USD	3 Qtrs
Gain on sales of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$12.00M	USD	3 Qtrs
Gain on sales of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$12.00M	USD	3 Qtrs
Gain on sales of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$1.00M	USD	3 Qtrs
Gain on sales of assets	`GainLossOnSaleOfPropertyPlantEquipment`	$1.00M	USD	3 Qtrs
Deferred income taxes and amortization of investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$102.00M	USD	3 Qtrs
Deferred income taxes and amortization of investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$102.00M	USD	3 Qtrs
Deferred income taxes and amortization of investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$293.00M	USD	3 Qtrs
Deferred income taxes and amortization of investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$293.00M	USD	3 Qtrs
Net fair value changes related to derivatives	`UnrealizedGainLossOnDerivatives`	$-1.00M	USD	3 Qtrs
Net fair value changes related to derivatives	`UnrealizedGainLossOnDerivatives`	$-1.00M	USD	3 Qtrs
Net fair value changes related to derivatives	`UnrealizedGainLossOnDerivatives`	$-3.00M	USD	3 Qtrs
Net fair value changes related to derivatives	`UnrealizedGainLossOnDerivatives`	$-3.00M	USD	3 Qtrs
Other non-cash operating activities	`OtherNoncashIncomeExpense`	$-441.00M	USD	3 Qtrs
Other non-cash operating activities	`OtherNoncashIncomeExpense`	$-441.00M	USD	3 Qtrs
Other non-cash operating activities	`OtherNoncashIncomeExpense`	$-1.09B	USD	3 Qtrs
Other non-cash operating activities	`OtherNoncashIncomeExpense`	$-1.09B	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$489.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$489.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$422.00M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInReceivables`	$422.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$57.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$57.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$41.00M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$41.00M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-309.00M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-309.00M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$165.00M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$165.00M	USD	3 Qtrs
Collateral received, net	`IncreaseDecreaseCashCollateralFromCounterparties`	$21.00M	USD	3 Qtrs
Collateral received, net	`IncreaseDecreaseCashCollateralFromCounterparties`	$21.00M	USD	3 Qtrs
Collateral received, net	`IncreaseDecreaseCashCollateralFromCounterparties`	$-25.00M	USD	3 Qtrs
Collateral received, net	`IncreaseDecreaseCashCollateralFromCounterparties`	$-25.00M	USD	3 Qtrs
Income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-18.00M	USD	3 Qtrs
Income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-18.00M	USD	3 Qtrs
Income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$19.00M	USD	3 Qtrs
Income taxes	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$19.00M	USD	3 Qtrs
Regulatory assets and liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-194.00M	USD	3 Qtrs
Regulatory assets and liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-194.00M	USD	3 Qtrs
Regulatory assets and liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$390.00M	USD	3 Qtrs
Regulatory assets and liabilities, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$390.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit contributions	`PensionAndOtherPostretirementBenefitContributions`	$140.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit contributions	`PensionAndOtherPostretirementBenefitContributions`	$140.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit contributions	`PensionAndOtherPostretirementBenefitContributions`	$313.00M	USD	3 Qtrs
Pension and non-pension postretirement benefit contributions	`PensionAndOtherPostretirementBenefitContributions`	$313.00M	USD	3 Qtrs
Other assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$87.00M	USD	3 Qtrs
Other assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$87.00M	USD	3 Qtrs
Other assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$259.00M	USD	3 Qtrs
Other assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$259.00M	USD	3 Qtrs
Net cash flows provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.14B	USD	3 Qtrs
Net cash flows provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.14B	USD	3 Qtrs
Net cash flows provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$5.01B	USD	3 Qtrs
Net cash flows provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$5.01B	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.16B	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.16B	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$6.09B	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$6.09B	USD	3 Qtrs
Proceeds from sales of assets	`ProceedsFromSaleOfPropertyHeldForSale`	$38.00M	USD	3 Qtrs
Proceeds from sales of assets	`ProceedsFromSaleOfPropertyHeldForSale`	$38.00M	USD	3 Qtrs
Proceeds from sales of assets	`ProceedsFromSaleOfPropertyHeldForSale`	$2.00M	USD	3 Qtrs
Proceeds from sales of assets	`ProceedsFromSaleOfPropertyHeldForSale`	$2.00M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-9.00M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-9.00M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$7.00M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$7.00M	USD	3 Qtrs
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-5.11B	USD	3 Qtrs
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-5.11B	USD	3 Qtrs
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.10B	USD	3 Qtrs
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.10B	USD	3 Qtrs
Changes in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-1.09B	USD	3 Qtrs
Changes in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-1.09B	USD	3 Qtrs
Changes in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-779.00M	USD	3 Qtrs
Changes in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-779.00M	USD	3 Qtrs
Proceeds from short-term borrowings with maturities greater than 90 days	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	$150.00M	USD	3 Qtrs
Proceeds from short-term borrowings with maturities greater than 90 days	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	$150.00M	USD	3 Qtrs
Proceeds from short-term borrowings with maturities greater than 90 days	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	-	USD	3 Qtrs
Proceeds from short-term borrowings with maturities greater than 90 days	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	-	USD	3 Qtrs
Repayments on short-term borrowings with maturities greater than 90 days	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$549.00M	USD	3 Qtrs
Repayments on short-term borrowings with maturities greater than 90 days	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$549.00M	USD	3 Qtrs
Repayments on short-term borrowings with maturities greater than 90 days	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	-	USD	3 Qtrs
Repayments on short-term borrowings with maturities greater than 90 days	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	-	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.97B	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.97B	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.92B	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.92B	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$1.34B	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$1.34B	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$807.00M	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$807.00M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$148.00M	USD	1 Quarter
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$148.00M	USD	1 Quarter
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$148.00M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$148.00M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$173.00M	USD	1 Quarter
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$173.00M	USD	1 Quarter
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$173.00M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$173.00M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$1.14B	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$1.14B	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$1.21B	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$1.21B	USD	3 Qtrs
Proceeds from employee stock plans	`ProceedsFromStockPlans`	$33.00M	USD	3 Qtrs
Proceeds from employee stock plans	`ProceedsFromStockPlans`	$33.00M	USD	3 Qtrs
Proceeds from employee stock plans	`ProceedsFromStockPlans`	$24.00M	USD	3 Qtrs
Proceeds from employee stock plans	`ProceedsFromStockPlans`	$24.00M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-83.00M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-83.00M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-75.00M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-75.00M	USD	3 Qtrs
Net cash flows provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.10B	USD	3 Qtrs
Net cash flows provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.10B	USD	3 Qtrs
Net cash flows provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.25B	USD	3 Qtrs
Net cash flows provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.25B	USD	3 Qtrs
Increase in cash, restricted cash, and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$132.00M	USD	3 Qtrs
Increase in cash, restricted cash, and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$132.00M	USD	3 Qtrs
Increase in cash, restricted cash, and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$1.16B	USD	3 Qtrs
Increase in cash, restricted cash, and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$1.16B	USD	3 Qtrs
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.23B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.23B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$939.00M	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$939.00M	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.23B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.23B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$939.00M	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$939.00M	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.10B	USD	Point-in-time
Cash, restricted cash, and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.10B	USD	Point-in-time
(Decrease) increase in capital expenditures not paid	`ChangeinCapitalExpendituresIncurredButNotYetPaid`	$6.00M	USD	3 Qtrs
(Decrease) increase in capital expenditures not paid	`ChangeinCapitalExpendituresIncurredButNotYetPaid`	$6.00M	USD	3 Qtrs
(Decrease) increase in capital expenditures not paid	`ChangeinCapitalExpendituresIncurredButNotYetPaid`	$-12.00M	USD	3 Qtrs
(Decrease) increase in capital expenditures not paid	`ChangeinCapitalExpendituresIncurredButNotYetPaid`	$-12.00M	USD	3 Qtrs
(Decrease) increase in PP&E related to ARO update	`DecreaseIncreaseInPPERelatedToAROUpdate`	$16.00M	USD	3 Qtrs
(Decrease) increase in PP&E related to ARO update	`DecreaseIncreaseInPPERelatedToAROUpdate`	$16.00M	USD	3 Qtrs
(Decrease) increase in PP&E related to ARO update	`DecreaseIncreaseInPPERelatedToAROUpdate`	$-5.00M	USD	3 Qtrs
(Decrease) increase in PP&E related to ARO update	`DecreaseIncreaseInPPERelatedToAROUpdate`	$-5.00M	USD	3 Qtrs

Stockholders Equity 174 line items

Line Item	Tag	Value	Unit	Period
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.38	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.38	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.38	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.38	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.38	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.38	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Beginning balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.75B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.75B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.06B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.06B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.15B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.15B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.62B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.62B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.92B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.92B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.61B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.61B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.62B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.62B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$28.11B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$28.11B	USD	Point-in-time
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	333,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	333,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	76,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	76,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	7,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	7,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	299,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	299,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	118,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	118,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	4,000.00	shares	1 Quarter
Long-term incentive plan activity (in shares)	`StockIssuedDuringPeriodSharesShareBasedCompensationGross`	4,000.00	shares	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$2.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$2.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$11.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$11.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$7.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$7.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$4.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$4.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$14.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$14.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$6.00M	USD	1 Quarter
Long-term incentive plan activity	`StockIssuedDuringPeriodValueShareBasedCompensationGross`	$6.00M	USD	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	276,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	276,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	396,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	396,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	349,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	349,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	8,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	8,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	334,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	334,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	299,000.00	shares	1 Quarter
Employee stock purchase plan activity (in shares)	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	299,000.00	shares	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$13.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$13.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$12.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$12.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$13.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$13.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$13.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$13.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$14.00M	USD	1 Quarter
Employee stock purchase plan activity	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$14.00M	USD	1 Quarter
Issuance of Common Stock (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	3.98M	shares	1 Quarter
Issuance of Common Stock (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	3.98M	shares	1 Quarter
Issuance of Common Stock (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	4.03M	shares	1 Quarter
Issuance of Common Stock (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	4.03M	shares	1 Quarter
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	$173.00M	USD	1 Quarter
Issuance of Common Stock	`StockIssuedDuringPeriodValueNewIssues`	$173.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$381.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$381.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$380.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$380.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$381.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$381.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$403.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$403.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$405.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$405.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$405.00M	USD	1 Quarter
Common stock dividends	`DividendsCommonStockCash`	$405.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$14.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$14.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-24.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-24.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-10.00M	USD	3 Qtrs
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$-10.00M	USD	3 Qtrs
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$2.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$2.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$3.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$3.00M	USD	1 Quarter
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$5.00M	USD	3 Qtrs
Other comprehensive income, net of income taxes	`OtherComprehensiveIncomeLossNetOfTax`	$5.00M	USD	3 Qtrs
Ending balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.00B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance (in shares)	`SharesIssued`	1.01B	shares	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.75B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.75B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.06B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.06B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.15B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.15B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.92B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.92B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.61B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.61B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.62B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$28.11B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$28.11B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$26.92B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$26.92B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$28.11B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$28.11B	USD	Point-in-time

Comprehensive Income 120 line items

Line Item	Tag	Value	Unit	Period
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-54.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-54.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-29.00M	USD	3 Qtrs
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-29.00M	USD	3 Qtrs
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-220.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-220.00M	USD	1 Quarter
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-621.00M	USD	3 Qtrs
Revenues from alternative revenue programs	`TrueUpAdjustmentsToDecouplingMechanismsAndFormulaRates`	$-621.00M	USD	3 Qtrs
Total operating revenues	`Revenues`	$6.15B	USD	1 Quarter
Total operating revenues	`Revenues`	$6.15B	USD	1 Quarter
Total operating revenues	`Revenues`	$17.56B	USD	3 Qtrs
Total operating revenues	`Revenues`	$17.56B	USD	3 Qtrs
Total operating revenues	`Revenues`	$6.71B	USD	1 Quarter
Total operating revenues	`Revenues`	$6.71B	USD	1 Quarter
Total operating revenues	`Revenues`	$18.85B	USD	3 Qtrs
Total operating revenues	`Revenues`	$18.85B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.27B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.27B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.76B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.76B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.17B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$1.17B	USD	1 Quarter
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.84B	USD	3 Qtrs
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses`	$3.84B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$908.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$908.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.68B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.68B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$912.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$912.00M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.72B	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$2.72B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$395.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$395.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.13B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.13B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$429.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$429.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.22B	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$1.22B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$4.96B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$4.96B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$14.35B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$14.35B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$5.21B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$5.21B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$14.88B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$14.88B	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$3.00M	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$3.00M	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$12.00M	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$12.00M	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	-	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	-	USD	1 Quarter
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$1.00M	USD	3 Qtrs
Gain on sale of assets	`GainLossOnSaleOfOtherAssets`	$1.00M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$1.20B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.20B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$3.22B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$3.22B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$1.50B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$1.50B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$3.96B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$3.96B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$490.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$490.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$1.43B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$1.43B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$531.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$531.00M	USD	1 Quarter
Interest expense, net	`InterestExpenseBorrowings`	$1.56B	USD	3 Qtrs
Interest expense, net	`InterestExpenseBorrowings`	$1.56B	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$57.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$57.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$196.00M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$196.00M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$68.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$68.00M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$185.00M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$185.00M	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-439.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-439.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.25B	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.25B	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-470.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-470.00M	USD	1 Quarter
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.39B	USD	3 Qtrs
Total other income and (deductions)	`NonoperatingIncomeExpense`	$-1.39B	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$757.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$757.00M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.97B	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.97B	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.03B	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.03B	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.57B	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.57B	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$50.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$50.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$158.00M	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$158.00M	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$155.00M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$396.00M	USD	3 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$396.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$658.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$448.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$707.00M	USD	1 Quarter
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$1.81B	USD	3 Qtrs
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$908.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$391.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$875.00M	USD	1 Quarter
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs
Net income	`ProfitLoss`	$2.17B	USD	3 Qtrs

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