10-Q Filing

PORTLAND GENERAL ELECTRIC CO /OR/ CIK: 784977 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0000784977-25-000172`
Period End Date	20250930
Filing Date	20251031
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	por-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 192 Income Statement 192 Cash Flow Statement 162

Balance Sheet 192 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	30.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	30.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	30.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	30.00M	shares	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Preferred stock, issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$456.00M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$456.00M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$455.00M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$455.00M	USD	Point-in-time
Preferred stock, outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Common stock, no par value	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, no par value	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, no par value	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, no par value	`CommonStockNoParValue`	-	USD	Point-in-time
Inventories	`EnergyRelatedInventory`	$114.00M	USD	Point-in-time
Inventories	`EnergyRelatedInventory`	$114.00M	USD	Point-in-time
Inventories	`EnergyRelatedInventory`	$124.00M	USD	Point-in-time
Inventories	`EnergyRelatedInventory`	$124.00M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	160.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	160.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	160.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	160.00M	shares	Point-in-time
Regulatory assets - current	`RegulatoryAssetsCurrent`	$205.00M	USD	Point-in-time
Regulatory assets - current	`RegulatoryAssetsCurrent`	$205.00M	USD	Point-in-time
Regulatory assets - current	`RegulatoryAssetsCurrent`	$207.00M	USD	Point-in-time
Regulatory assets - current	`RegulatoryAssetsCurrent`	$207.00M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	109.34M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	109.34M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	110.72M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	110.72M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$238.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$238.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$136.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$136.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.02B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.02B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.06B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.06B	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	109.34M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	109.34M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	110.72M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	110.72M	shares	Point-in-time
Electric utility plant, net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$10.35B	USD	Point-in-time
Electric utility plant, net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$10.35B	USD	Point-in-time
Electric utility plant, net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$10.80B	USD	Point-in-time
Electric utility plant, net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$10.80B	USD	Point-in-time
Regulatory assets - noncurrent	`RegulatoryAssetsNoncurrent`	$632.00M	USD	Point-in-time
Regulatory assets - noncurrent	`RegulatoryAssetsNoncurrent`	$632.00M	USD	Point-in-time
Regulatory assets - noncurrent	`RegulatoryAssetsNoncurrent`	$599.00M	USD	Point-in-time
Regulatory assets - noncurrent	`RegulatoryAssetsNoncurrent`	$599.00M	USD	Point-in-time
Nuclear decommissioning trust	`DecommissioningFundInvestments`	$30.00M	USD	Point-in-time
Nuclear decommissioning trust	`DecommissioningFundInvestments`	$30.00M	USD	Point-in-time
Nuclear decommissioning trust	`DecommissioningFundInvestments`	$44.00M	USD	Point-in-time
Nuclear decommissioning trust	`DecommissioningFundInvestments`	$44.00M	USD	Point-in-time
Non-qualified benefit plan trust	`AssetsHeldInTrustNoncurrent`	$34.00M	USD	Point-in-time
Non-qualified benefit plan trust	`AssetsHeldInTrustNoncurrent`	$34.00M	USD	Point-in-time
Non-qualified benefit plan trust	`AssetsHeldInTrustNoncurrent`	$36.00M	USD	Point-in-time
Non-qualified benefit plan trust	`AssetsHeldInTrustNoncurrent`	$36.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$478.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$478.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$472.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$472.00M	USD	Point-in-time
Total assets	`Assets`	$12.54B	USD	Point-in-time
Total assets	`Assets`	$12.54B	USD	Point-in-time
Total assets	`Assets`	$13.01B	USD	Point-in-time
Total assets	`Assets`	$13.01B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$365.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$365.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.00M	USD	Point-in-time
Liabilities from price risk mangement activities - current	`DerivativeLiabilitiesCurrent`	$147.00M	USD	Point-in-time
Liabilities from price risk mangement activities - current	`DerivativeLiabilitiesCurrent`	$147.00M	USD	Point-in-time
Liabilities from price risk mangement activities - current	`DerivativeLiabilitiesCurrent`	$133.00M	USD	Point-in-time
Liabilities from price risk mangement activities - current	`DerivativeLiabilitiesCurrent`	$133.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$170.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$170.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$68.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$68.00M	USD	Point-in-time
Current portion of finance lease obligation	`FinanceLeaseLiabilityCurrent`	$27.00M	USD	Point-in-time
Current portion of finance lease obligation	`FinanceLeaseLiabilityCurrent`	$27.00M	USD	Point-in-time
Current portion of finance lease obligation	`FinanceLeaseLiabilityCurrent`	$27.00M	USD	Point-in-time
Current portion of finance lease obligation	`FinanceLeaseLiabilityCurrent`	$27.00M	USD	Point-in-time
Accrued expenses and other current liabilities	`OtherLiabilitiesCurrent`	$410.00M	USD	Point-in-time
Accrued expenses and other current liabilities	`OtherLiabilitiesCurrent`	$410.00M	USD	Point-in-time
Accrued expenses and other current liabilities	`OtherLiabilitiesCurrent`	$481.00M	USD	Point-in-time
Accrued expenses and other current liabilities	`OtherLiabilitiesCurrent`	$481.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.12B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.12B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$985.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$985.00M	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$4.35B	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$4.35B	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$4.66B	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$4.66B	USD	Point-in-time
Regulatory liabilities-noncurrent	`RegulatoryLiabilityNoncurrent`	$1.44B	USD	Point-in-time
Regulatory liabilities-noncurrent	`RegulatoryLiabilityNoncurrent`	$1.44B	USD	Point-in-time
Regulatory liabilities-noncurrent	`RegulatoryLiabilityNoncurrent`	$1.49B	USD	Point-in-time
Regulatory liabilities-noncurrent	`RegulatoryLiabilityNoncurrent`	$1.49B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$564.00M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$564.00M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$572.00M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent`	$572.00M	USD	Point-in-time
Deferred investment tax credits	`DeferredInvestmentTaxCredits`	$61.00M	USD	Point-in-time
Deferred investment tax credits	`DeferredInvestmentTaxCredits`	$61.00M	USD	Point-in-time
Deferred investment tax credits	`DeferredInvestmentTaxCredits`	$195.00M	USD	Point-in-time
Deferred investment tax credits	`DeferredInvestmentTaxCredits`	$195.00M	USD	Point-in-time
Unfunded status of pension and psotretirement plans	`DefinedBenefitPlanFundedStatusOfPlan`	$-140.00M	USD	Point-in-time
Unfunded status of pension and psotretirement plans	`DefinedBenefitPlanFundedStatusOfPlan`	$-140.00M	USD	Point-in-time
Unfunded status of pension and psotretirement plans	`DefinedBenefitPlanFundedStatusOfPlan`	$-128.00M	USD	Point-in-time
Unfunded status of pension and psotretirement plans	`DefinedBenefitPlanFundedStatusOfPlan`	$-128.00M	USD	Point-in-time
Liabilities from price risk management activities-noncurrent	`DerivativeLiabilitiesNoncurrent`	$72.00M	USD	Point-in-time
Liabilities from price risk management activities-noncurrent	`DerivativeLiabilitiesNoncurrent`	$72.00M	USD	Point-in-time
Liabilities from price risk management activities-noncurrent	`DerivativeLiabilitiesNoncurrent`	$43.00M	USD	Point-in-time
Liabilities from price risk management activities-noncurrent	`DerivativeLiabilitiesNoncurrent`	$43.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligation`	$292.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligation`	$292.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligation`	$293.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligation`	$293.00M	USD	Point-in-time
Non-qualified benefit plan liabilities	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$74.00M	USD	Point-in-time
Non-qualified benefit plan liabilities	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$74.00M	USD	Point-in-time
Non-qualified benefit plan liabilities	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$70.00M	USD	Point-in-time
Non-qualified benefit plan liabilities	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$70.00M	USD	Point-in-time
Finance lease obligations, net of current portion	`FinanceLeaseLiabilityNoncurrent`	$276.00M	USD	Point-in-time
Finance lease obligations, net of current portion	`FinanceLeaseLiabilityNoncurrent`	$276.00M	USD	Point-in-time
Finance lease obligations, net of current portion	`FinanceLeaseLiabilityNoncurrent`	$266.00M	USD	Point-in-time
Finance lease obligations, net of current portion	`FinanceLeaseLiabilityNoncurrent`	$266.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$358.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$358.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$359.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$359.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$8.75B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.75B	USD	Point-in-time
Total liabilities	`Liabilities`	$9.06B	USD	Point-in-time
Total liabilities	`Liabilities`	$9.06B	USD	Point-in-time
Commitments and contingencies (see notes)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see notes)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see notes)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see notes)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2024 and December 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2024 and December 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2024 and December 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2024 and December 31, 2023	`PreferredStockValue`	-	USD	Point-in-time
Common stock, no par value, 160,000,000 shares authorized; 105,455,590 and 101,159,609 shares issued and outstanding as of September 30 2024 and December 31, 2023, respectively	`CommonStockValue`	$2.12B	USD	Point-in-time
Common stock, no par value, 160,000,000 shares authorized; 105,455,590 and 101,159,609 shares issued and outstanding as of September 30 2024 and December 31, 2023, respectively	`CommonStockValue`	$2.12B	USD	Point-in-time
Common stock, no par value, 160,000,000 shares authorized; 105,455,590 and 101,159,609 shares issued and outstanding as of September 30 2024 and December 31, 2023, respectively	`CommonStockValue`	$2.18B	USD	Point-in-time
Common stock, no par value, 160,000,000 shares authorized; 105,455,590 and 101,159,609 shares issued and outstanding as of September 30 2024 and December 31, 2023, respectively	`CommonStockValue`	$2.18B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.68B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.68B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.77B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.77B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.32B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.32B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.46B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.46B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.48B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.48B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.63B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.63B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.79B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.79B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.84B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.84B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.85B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.85B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.95B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.95B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$12.54B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$12.54B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$13.01B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$13.01B	USD	Point-in-time

Income Statement 192 line items

Line Item	Tag	Value	Unit	Period
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$942.00M	USD	1 Quarter
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$942.00M	USD	1 Quarter
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.64B	USD	3 Qtrs
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.64B	USD	3 Qtrs
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$946.00M	USD	1 Quarter
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$946.00M	USD	1 Quarter
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.68B	USD	3 Qtrs
Revenue, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.68B	USD	3 Qtrs
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$-13.00M	USD	1 Quarter
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$-13.00M	USD	1 Quarter
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$-27.00M	USD	3 Qtrs
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$-27.00M	USD	3 Qtrs
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$6.00M	USD	1 Quarter
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$6.00M	USD	1 Quarter
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$11.00M	USD	3 Qtrs
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$11.00M	USD	3 Qtrs
Total revenues	`Revenues`	$929.00M	USD	1 Quarter
Total revenues	`Revenues`	$929.00M	USD	1 Quarter
Total revenues	`Revenues`	$2.62B	USD	3 Qtrs
Total revenues	`Revenues`	$2.62B	USD	3 Qtrs
Total revenues	`Revenues`	$952.00M	USD	1 Quarter
Total revenues	`Revenues`	$952.00M	USD	1 Quarter
Total revenues	`Revenues`	$2.69B	USD	3 Qtrs
Total revenues	`Revenues`	$2.69B	USD	3 Qtrs
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$380.00M	USD	1 Quarter
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$380.00M	USD	1 Quarter
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$1.06B	USD	3 Qtrs
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$1.06B	USD	3 Qtrs
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$372.00M	USD	1 Quarter
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$372.00M	USD	1 Quarter
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$1.03B	USD	3 Qtrs
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$1.03B	USD	3 Qtrs
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$131.00M	USD	1 Quarter
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$131.00M	USD	1 Quarter
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$337.00M	USD	3 Qtrs
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$337.00M	USD	3 Qtrs
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$112.00M	USD	1 Quarter
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$112.00M	USD	1 Quarter
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$336.00M	USD	3 Qtrs
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$336.00M	USD	3 Qtrs
Administrative and other	`GeneralAndAdministrativeExpense`	$102.00M	USD	1 Quarter
Administrative and other	`GeneralAndAdministrativeExpense`	$102.00M	USD	1 Quarter
Administrative and other	`GeneralAndAdministrativeExpense`	$294.00M	USD	3 Qtrs
Administrative and other	`GeneralAndAdministrativeExpense`	$294.00M	USD	3 Qtrs
Administrative and other	`GeneralAndAdministrativeExpense`	$99.00M	USD	1 Quarter
Administrative and other	`GeneralAndAdministrativeExpense`	$99.00M	USD	1 Quarter
Administrative and other	`GeneralAndAdministrativeExpense`	$291.00M	USD	3 Qtrs
Administrative and other	`GeneralAndAdministrativeExpense`	$291.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$126.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$126.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$369.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$369.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$148.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$148.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$427.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$427.00M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$132.00M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$132.00M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$47.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$47.00M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$139.00M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$139.00M	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$783.00M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$783.00M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.19B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$2.19B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$778.00M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$778.00M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.23B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$2.23B	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$146.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$146.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$424.00M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$424.00M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$174.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$174.00M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$460.00M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$460.00M	USD	3 Qtrs
Interest expense, net	`InterestExpense`	$53.00M	USD	1 Quarter
Interest expense, net	`InterestExpense`	$53.00M	USD	1 Quarter
Interest expense, net	`InterestExpense`	$156.00M	USD	3 Qtrs
Interest expense, net	`InterestExpense`	$156.00M	USD	3 Qtrs
Interest expense, net	`InterestExpense`	$60.00M	USD	1 Quarter
Interest expense, net	`InterestExpense`	$60.00M	USD	1 Quarter
Interest expense, net	`InterestExpense`	$173.00M	USD	3 Qtrs
Interest expense, net	`InterestExpense`	$173.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$17.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$17.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$15.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$15.00M	USD	3 Qtrs
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$6.00M	USD	1 Quarter
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$6.00M	USD	1 Quarter
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$21.00M	USD	3 Qtrs
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$21.00M	USD	3 Qtrs
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$5.00M	USD	1 Quarter
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$5.00M	USD	1 Quarter
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$17.00M	USD	3 Qtrs
Miscellaneous income (loss), net	`OtherNonoperatingIncomeExpense`	$17.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$12.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$12.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$38.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$38.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$9.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$9.00M	USD	1 Quarter
Other income, net	`NonoperatingIncomeExpense`	$32.00M	USD	3 Qtrs
Other income, net	`NonoperatingIncomeExpense`	$32.00M	USD	3 Qtrs
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$105.00M	USD	1 Quarter
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$105.00M	USD	1 Quarter
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$306.00M	USD	3 Qtrs
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$306.00M	USD	3 Qtrs
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$123.00M	USD	1 Quarter
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$123.00M	USD	1 Quarter
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$319.00M	USD	3 Qtrs
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$319.00M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$11.00M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$11.00M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$31.00M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$31.00M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$20.00M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$20.00M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$54.00M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$54.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$109.00M	USD	1 Quarter
Net income	`ProfitLoss`	$109.00M	USD	1 Quarter
Net income	`ProfitLoss`	$72.00M	USD	1 Quarter
Net income	`ProfitLoss`	$72.00M	USD	1 Quarter
Net income	`ProfitLoss`	$94.00M	USD	1 Quarter
Net income	`ProfitLoss`	$94.00M	USD	1 Quarter
Net income	`ProfitLoss`	$275.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$275.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$100.00M	USD	1 Quarter
Net income	`ProfitLoss`	$100.00M	USD	1 Quarter
Net income	`ProfitLoss`	$62.00M	USD	1 Quarter
Net income	`ProfitLoss`	$62.00M	USD	1 Quarter
Net income	`ProfitLoss`	$103.00M	USD	1 Quarter
Net income	`ProfitLoss`	$103.00M	USD	1 Quarter
Net income	`ProfitLoss`	$265.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$265.00M	USD	3 Qtrs
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-1.00M	USD	1 Quarter
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-1.00M	USD	1 Quarter
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	1 Quarter
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	1 Quarter
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	3 Qtrs
Other comprehensive Income	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$93.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$93.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$275.00M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$275.00M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$104.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$104.00M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$266.00M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$266.00M	USD	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	103.84M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	103.84M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	102.73M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	102.73M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	110.17M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	110.17M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	109.71M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	109.71M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	104.34M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	104.34M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	102.96M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	102.96M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	110.42M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	110.42M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	109.96M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	109.96M	shares	3 Qtrs
Basic	`EarningsPerShareBasic`	$0.91	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$0.91	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.68	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$2.68	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$0.94	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$0.94	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.42	USD	3 Qtrs
Basic	`EarningsPerShareBasic`	$2.42	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$0.90	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$0.90	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.67	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$2.67	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$0.94	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$0.94	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.41	USD	3 Qtrs
Diluted	`EarningsPerShareDiluted`	$2.41	USD	3 Qtrs

Cash Flow Statement 162 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$109.00M	USD	1 Quarter
Net income	`ProfitLoss`	$109.00M	USD	1 Quarter
Net income	`ProfitLoss`	$72.00M	USD	1 Quarter
Net income	`ProfitLoss`	$72.00M	USD	1 Quarter
Net income	`ProfitLoss`	$94.00M	USD	1 Quarter
Net income	`ProfitLoss`	$94.00M	USD	1 Quarter
Net income	`ProfitLoss`	$275.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$275.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$100.00M	USD	1 Quarter
Net income	`ProfitLoss`	$100.00M	USD	1 Quarter
Net income	`ProfitLoss`	$62.00M	USD	1 Quarter
Net income	`ProfitLoss`	$62.00M	USD	1 Quarter
Net income	`ProfitLoss`	$103.00M	USD	1 Quarter
Net income	`ProfitLoss`	$103.00M	USD	1 Quarter
Net income	`ProfitLoss`	$265.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$265.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$126.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$126.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$369.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$369.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$148.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$148.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$427.00M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$427.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$18.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$18.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$39.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$39.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$17.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$17.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.00M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$15.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$15.00M	USD	3 Qtrs
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$27.00M	USD	3 Qtrs
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$27.00M	USD	3 Qtrs
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$-11.00M	USD	3 Qtrs
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$-11.00M	USD	3 Qtrs
Gain (Loss) on Disposition of Other Assets	`GainLossOnSaleOfOtherAssets`	$-31.00M	USD	3 Qtrs
Gain (Loss) on Disposition of Other Assets	`GainLossOnSaleOfOtherAssets`	$-31.00M	USD	3 Qtrs
Gain (Loss) on Disposition of Other Assets	`GainLossOnSaleOfOtherAssets`	$-153.00M	USD	3 Qtrs
Gain (Loss) on Disposition of Other Assets	`GainLossOnSaleOfOtherAssets`	$-153.00M	USD	3 Qtrs
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$-63.00M	USD	3 Qtrs
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$-63.00M	USD	3 Qtrs
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$-69.00M	USD	3 Qtrs
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$-69.00M	USD	3 Qtrs
Decrease in accounts receivable, net	`IncreaseDecreaseInReceivables`	$64.00M	USD	3 Qtrs
Decrease in accounts receivable, net	`IncreaseDecreaseInReceivables`	$64.00M	USD	3 Qtrs
Decrease in accounts receivable, net	`IncreaseDecreaseInReceivables`	$9.00M	USD	3 Qtrs
Decrease in accounts receivable, net	`IncreaseDecreaseInReceivables`	$9.00M	USD	3 Qtrs
(Increase) in inventories	`IncreaseDecreaseInInventories`	$2.00M	USD	3 Qtrs
(Increase) in inventories	`IncreaseDecreaseInInventories`	$2.00M	USD	3 Qtrs
(Increase) in inventories	`IncreaseDecreaseInInventories`	$10.00M	USD	3 Qtrs
(Increase) in inventories	`IncreaseDecreaseInInventories`	$10.00M	USD	3 Qtrs
(Increase)/decrease in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$-1.00M	USD	3 Qtrs
(Increase)/decrease in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$-1.00M	USD	3 Qtrs
(Increase)/decrease in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$-66.00M	USD	3 Qtrs
(Increase)/decrease in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$-66.00M	USD	3 Qtrs
(Decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$67.00M	USD	3 Qtrs
(Decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$67.00M	USD	3 Qtrs
(Decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$43.00M	USD	3 Qtrs
(Decrease) in accounts payable and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$43.00M	USD	3 Qtrs
Increase (Decrease) in Other Accounts Payable and Accrued Liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$2.00M	USD	3 Qtrs
Increase (Decrease) in Other Accounts Payable and Accrued Liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$2.00M	USD	3 Qtrs
Increase (Decrease) in Other Accounts Payable and Accrued Liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	-	USD	3 Qtrs
Increase (Decrease) in Other Accounts Payable and Accrued Liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	-	USD	3 Qtrs
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-28.00M	USD	3 Qtrs
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-28.00M	USD	3 Qtrs
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-37.00M	USD	3 Qtrs
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-37.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$44.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$44.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$57.00M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$57.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$608.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$608.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$970.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$970.00M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$876.00M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$876.00M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$899.00M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$899.00M	USD	3 Qtrs
Sales of Nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	-	USD	3 Qtrs
Sales of Nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	-	USD	3 Qtrs
Sales of Nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$4.00M	USD	3 Qtrs
Sales of Nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$4.00M	USD	3 Qtrs
Purchases of Nuclear decommissioning trust securities	`PaymentsToAcquireInvestments`	$4.00M	USD	3 Qtrs
Purchases of Nuclear decommissioning trust securities	`PaymentsToAcquireInvestments`	$4.00M	USD	3 Qtrs
Purchases of Nuclear decommissioning trust securities	`PaymentsToAcquireInvestments`	$9.00M	USD	3 Qtrs
Purchases of Nuclear decommissioning trust securities	`PaymentsToAcquireInvestments`	$9.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$20.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$20.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$12.00M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$12.00M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-900.00M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-900.00M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-916.00M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-916.00M	USD	3 Qtrs
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$78.00M	USD	1 Quarter
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$78.00M	USD	1 Quarter
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$100.00M	USD	1 Quarter
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$100.00M	USD	1 Quarter
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$178.00M	USD	3 Qtrs
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$178.00M	USD	3 Qtrs
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$49.00M	USD	1 Quarter
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$49.00M	USD	1 Quarter
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$49.00M	USD	3 Qtrs
Proceeds from Issuance or Sale of Equity	`ProceedsFromIssuanceOrSaleOfEquity`	$49.00M	USD	3 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$102.00M	USD	3 Qtrs
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$102.00M	USD	3 Qtrs
Proceeds from Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$450.00M	USD	3 Qtrs
Proceeds from Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$450.00M	USD	3 Qtrs
Proceeds from Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$310.00M	USD	3 Qtrs
Proceeds from Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$310.00M	USD	3 Qtrs
Issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-146.00M	USD	3 Qtrs
Issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-146.00M	USD	3 Qtrs
Issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	-	USD	3 Qtrs
Issuance of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	-	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$148.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$148.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$167.00M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividends`	$167.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-19.00M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-19.00M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$322.00M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$322.00M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$71.00M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$71.00M	USD	3 Qtrs
Increase (Decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$30.00M	USD	3 Qtrs
Increase (Decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$30.00M	USD	3 Qtrs
Increase (Decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$125.00M	USD	3 Qtrs
Increase (Decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$125.00M	USD	3 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$137.00M	USD	Point-in-time
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$121.00M	USD	3 Qtrs
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$121.00M	USD	3 Qtrs
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$146.00M	USD	3 Qtrs
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$146.00M	USD	3 Qtrs
Cash paid for income taxes, net	`IncomeTaxesPaidNet`	$-14.00M	USD	3 Qtrs
Cash paid for income taxes, net	`IncomeTaxesPaidNet`	$-14.00M	USD	3 Qtrs
Cash paid for income taxes, net	`IncomeTaxesPaidNet`	$-137.00M	USD	3 Qtrs
Cash paid for income taxes, net	`IncomeTaxesPaidNet`	$-137.00M	USD	3 Qtrs
Increase (Decrease) in Other Regulatory Assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$130.00M	USD	3 Qtrs
Increase (Decrease) in Other Regulatory Assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$130.00M	USD	3 Qtrs
Increase (Decrease) in Other Regulatory Assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$6.00M	USD	3 Qtrs
Increase (Decrease) in Other Regulatory Assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$6.00M	USD	3 Qtrs
Increase (Decrease) in Regulatory Liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-16.00M	USD	3 Qtrs
Increase (Decrease) in Regulatory Liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-16.00M	USD	3 Qtrs
Increase (Decrease) in Regulatory Liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-21.00M	USD	3 Qtrs
Increase (Decrease) in Regulatory Liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-21.00M	USD	3 Qtrs

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