10-K Filing

PORTLAND GENERAL ELECTRIC CO /OR/ CIK: 784977 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0000784977-22-000009`
Period End Date	20211231
Filing Date	20220217
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	por-20211231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 102 Income Statement 63 Cash Flow Statement 134 Stockholders Equity 27 Comprehensive Income 10

Balance Sheet 102 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.00M	USD	Point-in-time
Cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$119.00M	USD	Point-in-time
Cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$257.00M	USD	Point-in-time
Cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$52.00M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$329.00M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$271.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$49.00M	USD	Point-in-time
Materials and supplies	`OtherInventorySupplies`	$51.00M	USD	Point-in-time
Fuel	`EnergyRelatedInventory`	$27.00M	USD	Point-in-time
Fuel	`EnergyRelatedInventory`	$23.00M	USD	Point-in-time
Regulatory assets--current	`RegulatoryAssetsCurrent`	$24.00M	USD	Point-in-time
Regulatory assets--current	`RegulatoryAssetsCurrent`	$23.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$205.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$98.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$688.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$721.00M	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$10.97B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$11.84B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$3.86B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$4.15B	USD	Point-in-time
In service, net	`PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceNet`	$7.69B	USD	Point-in-time
In service, net	`PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceNet`	$7.11B	USD	Point-in-time
Public Utilities, Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$8.01B	USD	Point-in-time
Public Utilities, Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.54B	USD	Point-in-time
Construction work-in-progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$429.00M	USD	Point-in-time
Construction work-in-progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$313.00M	USD	Point-in-time
Regulatory assets--noncurrent	`RegulatoryAssetsNoncurrent`	$533.00M	USD	Point-in-time
Regulatory assets--noncurrent	`RegulatoryAssetsNoncurrent`	$569.00M	USD	Point-in-time
Nuclear decommissioning trust	`DecommissioningTrustAssetsAmount`	$45.00M	USD	Point-in-time
Nuclear decommissioning trust	`DecommissioningTrustAssetsAmount`	$47.00M	USD	Point-in-time
Non-qualified benefit plan trust	`AssetsHeldInTrustNoncurrent`	$45.00M	USD	Point-in-time
Non-qualified benefit plan trust	`AssetsHeldInTrustNoncurrent`	$42.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$153.00M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$176.00M	USD	Point-in-time
Total assets	`Assets`	$9.07B	USD	Point-in-time
Total assets	`Assets`	$9.49B	USD	Point-in-time
Accounts payable	`AccountsPayableAndAccruedLiabilitiesCurrent`	$244.00M	USD	Point-in-time
Accounts payable	`AccountsPayableAndAccruedLiabilitiesCurrent`	$153.00M	USD	Point-in-time
Liabilities from price risk management activities-current	`DerivativeLiabilitiesCurrent`	$47.00M	USD	Point-in-time
Liabilities from price risk management activities-current	`DerivativeLiabilitiesCurrent`	$14.00M	USD	Point-in-time
Short-term Debt	`ShortTermBorrowings`	-	USD	Point-in-time
Short-term Debt	`ShortTermBorrowings`	$150.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$160.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	-	USD	Point-in-time
Current portion of long-term debt	`FinanceLeaseLiabilityCurrent`	$20.00M	USD	Point-in-time
Current portion of long-term debt	`FinanceLeaseLiabilityCurrent`	$16.00M	USD	Point-in-time
Accrued expenses and other current liabilities	`OtherLiabilitiesCurrent`	$322.00M	USD	Point-in-time
Accrued expenses and other current liabilities	`OtherLiabilitiesCurrent`	$457.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$815.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$768.00M	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$3.29B	USD	Point-in-time
Long-term debt, net of current portion	`LongTermDebtNoncurrent`	$2.89B	USD	Point-in-time
Regulatory liabilities--noncurrent	`RegulatoryLiabilityNoncurrent`	$1.36B	USD	Point-in-time
Regulatory liabilities--noncurrent	`RegulatoryLiabilityNoncurrent`	$1.37B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$413.00M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$374.00M	USD	Point-in-time
Unfunded status of pension and postretirement plans	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$206.00M	USD	Point-in-time
Unfunded status of pension and postretirement plans	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$299.00M	USD	Point-in-time
Liabilities from price risk management activities--noncurrent	`DerivativeLiabilitiesNoncurrent`	$136.00M	USD	Point-in-time
Liabilities from price risk management activities--noncurrent	`DerivativeLiabilitiesNoncurrent`	$90.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$238.00M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$270.00M	USD	Point-in-time
Non-qualified benefit plan liabilities	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$95.00M	USD	Point-in-time
Non-qualified benefit plan liabilities	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$101.00M	USD	Point-in-time
Finance lease obligations, net of current portion	`FinanceLeaseLiabilityNoncurrent`	$129.00M	USD	Point-in-time
Finance lease obligations, net of current portion	`FinanceLeaseLiabilityNoncurrent`	$273.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$77.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$59.00M	USD	Point-in-time
Total liabilities	`Liabilities`	$6.46B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.79B	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	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, no par value, 160,000,000 shares authorized; ______ and 89,537,331 shares issued and outstanding as of December 31, 2021 and 2020, respectively	`CommonStockValue`	$1.23B	USD	Point-in-time
Common stock, no par value, 160,000,000 shares authorized; ______ and 89,537,331 shares issued and outstanding as of December 31, 2021 and 2020, respectively	`CommonStockValue`	$1.24B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-11.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.39B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.48B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.61B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.51B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.71B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.59B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$9.07B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$9.49B	USD	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred Stock, Shares Issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred Stock, Shares Issued	`PreferredStockSharesIssued`	0.00	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, No Par Value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred Stock, No Par Value	`PreferredStockNoParValue`	-	USD	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	89.54M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	89.41M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	89.41M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	89.54M	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, Shares Authorized	`CommonStockSharesAuthorized`	160.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	160.00M	shares	Point-in-time

Income Statement 63 line items

Line Item	Tag	Value	Unit	Period
Revenues, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.42B	USD	Annual
Revenues, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.12B	USD	Annual
Revenues, net	`RevenueFromContractWithCustomerIncludingAssessedTax`	$2.15B	USD	Annual
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$-6.00M	USD	Annual
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$2.00M	USD	Annual
Alternative revenue programs, net of amortization	`ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice`	$-29.00M	USD	Annual
Total Revenues	`Revenues`	$2.40B	USD	Annual
Total Revenues	`Revenues`	$2.15B	USD	Annual
Total Revenues	`Revenues`	$2.12B	USD	Annual
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$614.00M	USD	Annual
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$708.00M	USD	Annual
Purchased power and fuel	`UtilitiesOperatingExpensePurchasedPower`	$822.00M	USD	Annual
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$323.00M	USD	Annual
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$310.00M	USD	Annual
Generation, transmission and distribution	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$293.00M	USD	Annual
Administrative and other	`GeneralAndAdministrativeExpense`	$290.00M	USD	Annual
Administrative and other	`GeneralAndAdministrativeExpense`	$336.00M	USD	Annual
Administrative and other	`GeneralAndAdministrativeExpense`	$283.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$404.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$409.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$454.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$146.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$134.00M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$138.00M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.88B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.02B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.77B	USD	Annual
Income from operations	`OperatingIncomeLoss`	$353.00M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$378.00M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$269.00M	USD	Annual
Interest expense, net	`InterestExpense`	$136.00M	USD	Annual
Interest expense, net	`InterestExpense`	$128.00M	USD	Annual
Interest expense, net	`InterestExpense`	$137.00M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$10.00M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$17.00M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$16.00M	USD	Annual
Miscellaneous income, net	`OtherNonoperatingIncomeExpense`	$9.00M	USD	Annual
Miscellaneous income, net	`OtherNonoperatingIncomeExpense`	$6.00M	USD	Annual
Miscellaneous income, net	`OtherNonoperatingIncomeExpense`	$6.00M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$26.00M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$16.00M	USD	Annual
Other income, net	`NonoperatingIncomeExpense`	$22.00M	USD	Annual
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$241.00M	USD	Annual
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$155.00M	USD	Annual
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$267.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$23.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$27.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	-	USD	Annual
Net income	`ProfitLoss`	$244.00M	USD	Annual
Net income	`ProfitLoss`	$155.00M	USD	Annual
Net income	`ProfitLoss`	$214.00M	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	89.35M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	89.48M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	89.48M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	89.56M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	89.63M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	89.64M	shares	Annual
Basic	`EarningsPerShareBasic`	$2.39	USD	Annual
Basic	`EarningsPerShareBasic`	$1.73	USD	Annual
Basic	`EarningsPerShareBasic`	$2.72	USD	Annual
Diluted	`EarningsPerShareDiluted`	$2.39	USD	Annual
Diluted	`EarningsPerShareDiluted`	$2.72	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.72	USD	Annual

Cash Flow Statement 134 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$244.00M	USD	Annual
Net income	`ProfitLoss`	$155.00M	USD	Annual
Net income	`ProfitLoss`	$214.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$404.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$409.00M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$454.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$5.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-23.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$6.00M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$10.00M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$17.00M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$16.00M	USD	Annual
Pension and other postretirement benefits	`PensionAndOtherPostretirementBenefitExpense`	$24.00M	USD	Annual
Pension and other postretirement benefits	`PensionAndOtherPostretirementBenefitExpense`	$21.00M	USD	Annual
Pension and other postretirement benefits	`PensionAndOtherPostretirementBenefitExpense`	$22.00M	USD	Annual
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$-2.00M	USD	Annual
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$6.00M	USD	Annual
Decoupling mechanism deferrals, net of amortization	`DecouplingMechanismDeferralsNet`	$29.00M	USD	Annual
(Amortization) Deferral of net benefits due to Tax Reform	`TaxAdjustmentsSettlementsAndUnusualProvisions`	-	USD	Annual
(Amortization) Deferral of net benefits due to Tax Reform	`TaxAdjustmentsSettlementsAndUnusualProvisions`	$-23.00M	USD	Annual
(Amortization) Deferral of net benefits due to Tax Reform	`TaxAdjustmentsSettlementsAndUnusualProvisions`	$-23.00M	USD	Annual
Share-based Payment Arrangement, Noncash Expense	`ShareBasedCompensation`	$11.00M	USD	Annual
Share-based Payment Arrangement, Noncash Expense	`ShareBasedCompensation`	$9.00M	USD	Annual
Share-based Payment Arrangement, Noncash Expense	`ShareBasedCompensation`	$14.00M	USD	Annual
Increase (Decrease) in Other Operating Liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-67.00M	USD	Annual
Increase (Decrease) in Other Operating Liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	-	USD	Annual
Increase (Decrease) in Other Operating Liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	-	USD	Annual
Increase (Decrease) in Cash Flow from Deferral of incremental wildfire costs	`IncreaseDecreaseInCashFlowFromDeferralOfIncrementalWildfireCosts`	-	USD	Annual
Increase (Decrease) in Cash Flow from Deferral of incremental wildfire costs	`IncreaseDecreaseInCashFlowFromDeferralOfIncrementalWildfireCosts`	$-15.00M	USD	Annual
Increase (Decrease) in Cash Flow from Deferral of incremental wildfire costs	`IncreaseDecreaseInCashFlowFromDeferralOfIncrementalWildfireCosts`	$-30.00M	USD	Annual
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$-34.00M	USD	Annual
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$-23.00M	USD	Annual
Other non-cash income and expenses, net	`OtherNoncashIncomeExpense`	$10.00M	USD	Annual
Decrease (increase) in receivables and unbilled revenues	`IncreaseDecreaseInReceivables`	$24.00M	USD	Annual
Decrease (increase) in receivables and unbilled revenues	`IncreaseDecreaseInReceivables`	$64.00M	USD	Annual
Decrease (increase) in receivables and unbilled revenues	`IncreaseDecreaseInReceivables`	$-30.00M	USD	Annual
(Increase) in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	-	USD	Annual
(Increase) in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$-8.00M	USD	Annual
(Increase) in margin deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$29.00M	USD	Annual
(Decrease) increase in payables and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$26.00M	USD	Annual
(Decrease) increase in payables and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$61.00M	USD	Annual
(Decrease) increase in payables and accrued liabilities	`IncreaseDecreaseInAccountsPayable`	$-16.00M	USD	Annual
Increase (Decrease) in Contract with Customer, Asset	`IncreaseDecreaseInContractWithCustomerAsset`	-	USD	Annual
Increase (Decrease) in Contract with Customer, Asset	`IncreaseDecreaseInContractWithCustomerAsset`	$-58.00M	USD	Annual
Increase (Decrease) in Contract with Customer, Asset	`IncreaseDecreaseInContractWithCustomerAsset`	-	USD	Annual
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-17.00M	USD	Annual
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$21.00M	USD	Annual
Other working capital items, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$12.00M	USD	Annual
Contribution to non-qualified employee benefit trust	`IncreaseDecreaseInDeferredCompensation`	$-11.00M	USD	Annual
Contribution to non-qualified employee benefit trust	`IncreaseDecreaseInDeferredCompensation`	$-11.00M	USD	Annual
Contribution to non-qualified employee benefit trust	`IncreaseDecreaseInDeferredCompensation`	$-11.00M	USD	Annual
Contribution to pension and other postretirement plans	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-2.00M	USD	Annual
Contribution to pension and other postretirement plans	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-2.00M	USD	Annual
Contribution to pension and other postretirement plans	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-65.00M	USD	Annual
Asset Retirement Obligation, Cash Paid to Settle	`AssetRetirementObligationCashPaidToSettle`	$18.00M	USD	Annual
Asset Retirement Obligation, Cash Paid to Settle	`AssetRetirementObligationCashPaidToSettle`	$9.00M	USD	Annual
Asset Retirement Obligation, Cash Paid to Settle	`AssetRetirementObligationCashPaidToSettle`	$18.00M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$38.00M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$29.00M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingAssets`	$23.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$532.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$546.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$567.00M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$636.00M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$606.00M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$784.00M	USD	Annual
Purchases of nuclear decommissioning trust securities	`PaymentsToInvestInDecommissioningFund`	$10.00M	USD	Annual
Purchases of nuclear decommissioning trust securities	`PaymentsToInvestInDecommissioningFund`	$6.00M	USD	Annual
Purchases of nuclear decommissioning trust securities	`PaymentsToInvestInDecommissioningFund`	$8.00M	USD	Annual
Sales of nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$12.00M	USD	Annual
Sales of nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$13.00M	USD	Annual
Sales of nuclear decommissioning trust securities	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$9.00M	USD	Annual
Proceeds from Sale of Property, Plant, and Equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from Sale of Property, Plant, and Equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from Sale of Property, Plant, and Equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$4.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$3.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$26.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$6.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-787.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-656.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-604.00M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$400.00M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$470.00M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$400.00M	USD	3 Qtrs
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$549.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$98.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$20.00M	USD	Point-in-time
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$160.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$350.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$140.00M	USD	Point-in-time
Debt extinguishment costs	`PaymentsOfDebtExtinguishmentCosts`	$2.00M	USD	Annual
Debt extinguishment costs	`PaymentsOfDebtExtinguishmentCosts`	$9.00M	USD	Annual
Debt extinguishment costs	`PaymentsOfDebtExtinguishmentCosts`	-	USD	Annual
Proceeds from Short-term Debt	`ProceedsFromShortTermDebt`	$275.00M	USD	Annual
Proceeds from Short-term Debt	`ProceedsFromShortTermDebt`	$200.00M	USD	Annual
Proceeds from Short-term Debt	`ProceedsFromShortTermDebt`	-	USD	Annual
Repayments of Short-term Debt	`RepaymentsOfShortTermDebt`	$350.00M	USD	Annual
Repayments of Short-term Debt	`RepaymentsOfShortTermDebt`	-	USD	Annual
Repayments of Short-term Debt	`RepaymentsOfShortTermDebt`	$125.00M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$150.00M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$140.00M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$134.00M	USD	Annual
Payments for Repurchase of Common Stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Payments for Repurchase of Common Stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Payments for Repurchase of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$12.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-8.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-31.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-81.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$447.00M	USD	Annual
(Decrease) increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$227.00M	USD	Annual
(Decrease) increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-205.00M	USD	Annual
(Decrease) increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-89.00M	USD	Annual
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.00M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$119.00M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$257.00M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$52.00M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.00M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$119.00M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$257.00M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$52.00M	USD	Point-in-time
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$116.00M	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$120.00M	USD	Annual
Cash paid for interest, net of amounts capitalized	`InterestPaidNet`	$113.00M	USD	Annual
Cash paid for income taxes	`IncomeTaxesPaid`	$17.00M	USD	Annual
Cash paid for income taxes	`IncomeTaxesPaid`	$33.00M	USD	Annual
Cash paid for income taxes	`IncomeTaxesPaid`	$16.00M	USD	Annual
Accrued capital additions	`CapitalExpendituresIncurredButNotYetPaid`	$72.00M	USD	Annual
Accrued capital additions	`CapitalExpendituresIncurredButNotYetPaid`	$87.00M	USD	Annual
Accrued capital additions	`CapitalExpendituresIncurredButNotYetPaid`	$76.00M	USD	Annual
Accrued dividends payable	`DividendsPayableCurrentAndNoncurrent`	$36.00M	USD	Point-in-time
Accrued dividends payable	`DividendsPayableCurrentAndNoncurrent`	$40.00M	USD	Point-in-time
Accrued dividends payable	`DividendsPayableCurrentAndNoncurrent`	$38.00M	USD	Point-in-time

Stockholders Equity 27 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.61B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.71B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.59B	USD	Point-in-time
Proceeds from issuance of shares pursuant to equity-based plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$1.00M	USD	Annual
Proceeds from issuance of shares pursuant to equity-based plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.00M	USD	Annual
Proceeds from issuance of shares pursuant to equity-based plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	-	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$7.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$13.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$9.00M	USD	Annual
Stock Repurchased During Period, Value	`StockRepurchasedDuringPeriodValue`	$12.00M	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$1.58	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$1.52	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$1.70	USD	Annual
Dividends declared	`DividendsCommonStock`	$136.00M	USD	Annual
Dividends declared	`DividendsCommonStock`	$143.00M	USD	Annual
Dividends declared	`DividendsCommonStock`	$152.00M	USD	Annual
Net income	`ProfitLoss`	$244.00M	USD	Annual
Net income	`ProfitLoss`	$155.00M	USD	Annual
Net income	`ProfitLoss`	$214.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.00M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.61B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.71B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.59B	USD	Point-in-time

Comprehensive Income 10 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$244.00M	USD	Annual
Net income	`ProfitLoss`	$155.00M	USD	Annual
Net income	`ProfitLoss`	$214.00M	USD	Annual
Other comprehensive income (loss)- Change in compensation retirement benefits liability and amortization, net of taxes of an immaterial amount in 2021, $1 million in 2020, and an immaterial amount in 2019	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	Annual
Other comprehensive income (loss)- Change in compensation retirement benefits liability and amortization, net of taxes of an immaterial amount in 2021, $1 million in 2020, and an immaterial amount in 2019	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-1.00M	USD	Annual
Other comprehensive income (loss)- Change in compensation retirement benefits liability and amortization, net of taxes of an immaterial amount in 2021, $1 million in 2020, and an immaterial amount in 2019	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-1.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$213.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$154.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$245.00M	USD	Annual
Taxes on Other Comprehensive Income	`OtherTaxExpenseBenefit`	$1.00M	USD	Annual

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