10-Q Filing

PINNACLE WEST CAPITAL CORP CIK: 764622 Q3 2019

Filing Information

Form Type	10-Q
Accession Number	`0000764622-19-000096`
Period End Date	20190930
Filing Date	20191107
Fiscal Year	2019
Fiscal Period	Q3
XBRL Instance	pnw-09301910q_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 144 Income Statement 100 Cash Flow Statement 84 Stockholders Equity 51 Comprehensive Income 44

Balance Sheet 144 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, authorized shares (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, authorized shares (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, issued shares (in shares)	`CommonStockSharesIssued`	112.16M	shares	Point-in-time
Common stock, issued shares (in shares)	`CommonStockSharesIssued`	112.40M	shares	Point-in-time
Treasury stock at cost, shares (in shares)	`TreasuryStockShares`	58,135.00	shares	Point-in-time
Treasury stock at cost, shares (in shares)	`TreasuryStockShares`	57,947.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.77M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$29.85M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$361.95M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$267.89M	USD	Point-in-time
Accrued unbilled revenues	`ContractWithCustomerAssetNetCurrent`	$155.84M	USD	Point-in-time
Accrued unbilled revenues	`ContractWithCustomerAssetNetCurrent`	$137.17M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.28M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$4.07M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$269.06M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$293.90M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$18.53M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$25.03M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$14.06M	USD	Point-in-time
Assets from risk management activities (Note 7)	`DerivativeInstrumentsAndHedges`	$817.00K	USD	Point-in-time
Assets from risk management activities (Note 7)	`DerivativeInstrumentsAndHedges`	$1.11M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 4)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$37.16M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 4)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$59.47M	USD	Point-in-time
Other regulatory assets (Note 4)	`RegulatoryAssetsCurrent`	$138.03M	USD	Point-in-time
Other regulatory assets (Note 4)	`RegulatoryAssetsCurrent`	$129.74M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$56.13M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$67.98M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$924.99M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.13B	USD	Point-in-time
Nuclear decommissioning trust (Notes 11 and 12)	`DecommissioningTrustAssetsAmount`	$851.13M	USD	Point-in-time
Nuclear decommissioning trust (Notes 11 and 12)	`DecommissioningTrustAssetsAmount`	$967.67M	USD	Point-in-time
Other special use funds (Notes 11 and 12)	`CoalReclamationandUnionTrust`	$243.98M	USD	Point-in-time
Other special use funds (Notes 11 and 12)	`CoalReclamationandUnionTrust`	$236.10M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$102.12M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$103.25M	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.19B	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.31B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$18.74B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$19.68B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.55B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.37B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$12.37B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$13.13B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$738.49M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.17B	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 6)	`VariableInterestEntityConsolidatedCarryingAmountAssets`	$105.78M	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 6)	`VariableInterestEntityConsolidatedCarryingAmountAssets`	$102.87M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$266.59M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$262.90M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$141.90M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$120.22M	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$14.03B	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$14.38B	USD	Point-in-time
Regulatory assets (Note 4)	`RegulatoryAssetsNoncurrent`	$1.34B	USD	Point-in-time
Regulatory assets (Note 4)	`RegulatoryAssetsNoncurrent`	$1.33B	USD	Point-in-time
Operating lease right-of-use assets (Note 16)	`OperatingLeaseRightOfUseAsset`	-	USD	Point-in-time
Operating lease right-of-use assets (Note 16)	`OperatingLeaseRightOfUseAsset`	$156.05M	USD	Point-in-time
Assets for other postretirement benefits (Note 5)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$46.91M	USD	Point-in-time
Assets for other postretirement benefits (Note 5)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$31.72M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$129.31M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$37.98M	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$1.56B	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$1.52B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$17.66B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$18.38B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$277.34M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.12M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$154.82M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$220.93M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$50.99M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$61.11M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	-	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$82.67M	USD	Point-in-time
Short-term borrowings (Note 3)	`ShortTermBorrowings`	$76.40M	USD	Point-in-time
Short-term borrowings (Note 3)	`ShortTermBorrowings`	$57.38M	USD	Point-in-time
Current maturities of long-term debt (Note 3)	`OtherLongTermDebtCurrent`	$450.00M	USD	Point-in-time
Current maturities of long-term debt (Note 3)	`OtherLongTermDebtCurrent`	$500.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$91.17M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$78.17M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeInstrumentsAndHedgesLiabilities`	$35.51M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeInstrumentsAndHedgesLiabilities`	$44.35M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$19.84M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$12.85M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityCurrent`	$26.22M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityCurrent`	-	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityCurrent`	$208.02M	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityCurrent`	$165.88M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$161.72M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$184.23M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.59B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.65B	USD	Point-in-time
Long-term debt less current maturities (Note 3)	`LongTermDebtNoncurrent`	$4.98B	USD	Point-in-time
Long-term debt less current maturities (Note 3)	`LongTermDebtNoncurrent`	$4.64B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.98B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.81B	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityNoncurrent`	$2.33B	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityNoncurrent`	$2.31B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$736.08M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$706.70M	USD	Point-in-time
Liabilities for pension benefits (Note 5)	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$443.17M	USD	Point-in-time
Liabilities for pension benefits (Note 5)	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$297.84M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeLiabilitiesNoncurrent`	$24.53M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeLiabilitiesNoncurrent`	$27.30M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$192.37M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$137.15M	USD	Point-in-time
Coal mine reclamation	`MineReclamationAndClosingLiabilityNoncurrent`	$212.78M	USD	Point-in-time
Coal mine reclamation	`MineReclamationAndClosingLiabilityNoncurrent`	$165.69M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$200.41M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$193.12M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$6.34M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$22.52M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityNoncurrent`	$52.47M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityNoncurrent`	-	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$166.77M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$147.64M	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$6.03B	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$6.12B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (SEE NOTE 8)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (SEE NOTE 8)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock, no par value; authorized 150,000,000 shares, 112,403,751 and 112,159,896 issued at respective dates	`CommonStockValue`	$2.65B	USD	Point-in-time
Common stock, no par value; authorized 150,000,000 shares, 112,403,751 and 112,159,896 issued at respective dates	`CommonStockValue`	$2.63B	USD	Point-in-time
Treasury stock at cost; 57,947 and 58,135 shares at respective dates	`TreasuryStockValue`	$4.83M	USD	Point-in-time
Treasury stock at cost; 57,947 and 58,135 shares at respective dates	`TreasuryStockValue`	$5.12M	USD	Point-in-time
Total common stock	`CommonStockValueOutstanding`	$2.65B	USD	Point-in-time
Total common stock	`CommonStockValueOutstanding`	$2.63B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.95B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.64B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.54M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-47.71M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.55B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.22B	USD	Point-in-time
Noncontrolling interests (Note 6)	`MinorityInterest`	$129.04M	USD	Point-in-time
Noncontrolling interests (Note 6)	`MinorityInterest`	$125.79M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.35B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.36B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.16B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$17.66B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$18.38B	USD	Point-in-time

Income Statement 100 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES	`Revenues`	$1.27B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.19B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$2.80B	USD	3 Qtrs
OPERATING REVENUES	`Revenues`	$2.93B	USD	3 Qtrs
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$844.13M	USD	3 Qtrs
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$344.86M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$389.94M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$817.67M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$238.58M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$711.76M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$780.62M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$246.54M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$445.53M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$436.23M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$149.45M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$145.97M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$51.38M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$53.81M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$163.99M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$158.58M	USD	3 Qtrs
Other expenses	`OtherCostAndExpenseOperating`	$1.90M	USD	3 Qtrs
Other expenses	`OtherCostAndExpenseOperating`	$900.00K	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$8.50M	USD	3 Qtrs
Other expenses	`OtherCostAndExpenseOperating`	$794.00K	USD	1 Quarter
Total	`CostsAndExpenses`	$2.14B	USD	3 Qtrs
Total	`CostsAndExpenses`	$834.73M	USD	1 Quarter
Total	`CostsAndExpenses`	$787.50M	USD	1 Quarter
Total	`CostsAndExpenses`	$2.23B	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$659.96M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$706.80M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$433.31M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$403.29M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$24.68M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.92M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$39.41M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$12.26M	USD	1 Quarter
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-37.31M	USD	3 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-12.45M	USD	1 Quarter
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-5.75M	USD	1 Quarter
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-17.24M	USD	3 Qtrs
Other income (Note 9)	`OtherNonoperatingIncome`	$35.24M	USD	3 Qtrs
Other income (Note 9)	`OtherNonoperatingIncome`	$17.54M	USD	3 Qtrs
Other income (Note 9)	`OtherNonoperatingIncome`	$6.96M	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$15.19M	USD	1 Quarter
Other expense (Note 9)	`OtherNonoperatingExpense`	$5.06M	USD	1 Quarter
Other expense (Note 9)	`OtherNonoperatingExpense`	$12.06M	USD	3 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$14.45M	USD	3 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$5.74M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$26.60M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$82.20M	USD	3 Qtrs
Total	`NonoperatingIncomeExpense`	$21.12M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$62.71M	USD	3 Qtrs
Interest charges	`InterestCostsIncurred`	$181.27M	USD	3 Qtrs
Interest charges	`InterestCostsIncurred`	$61.60M	USD	1 Quarter
Interest charges	`InterestCostsIncurred`	$175.60M	USD	3 Qtrs
Interest charges	`InterestCostsIncurred`	$57.48M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$18.96M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$14.64M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.91M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.49M	USD	1 Quarter
Total	`InterestExpense`	$160.95M	USD	3 Qtrs
Total	`InterestExpense`	$53.99M	USD	1 Quarter
Total	`InterestExpense`	$162.31M	USD	3 Qtrs
Total	`InterestExpense`	$55.69M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$626.70M	USD	3 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$561.72M	USD	3 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$404.22M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$370.42M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$72.76M	USD	3 Qtrs
INCOME TAXES	`IncomeTaxExpenseBenefit`	$53.27M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$84.33M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$127.11M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$319.88M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$317.15M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$488.96M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$499.59M	USD	3 Qtrs
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.62M	USD	3 Qtrs
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.62M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$312.28M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$484.97M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$315.01M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$474.34M	USD	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.09M	shares	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.41M	shares	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.46M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.15M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.53M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.75M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.74M	shares	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.50M	shares	3 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$2.78	USD	1 Quarter
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$2.81	USD	1 Quarter
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$4.22	USD	3 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$4.33	USD	3 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.31	USD	3 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.21	USD	3 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.80	USD	1 Quarter
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.77	USD	1 Quarter

Cash Flow Statement 84 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$319.88M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$317.15M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$488.96M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$499.59M	USD	3 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$500.80M	USD	3 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$489.86M	USD	3 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-60.91M	USD	3 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-82.49M	USD	3 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$92.40M	USD	3 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$38.60M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$24.68M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.92M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$39.41M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$12.26M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$83.70M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$117.57M	USD	3 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCredit`	$7.40M	USD	3 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCredit`	$7.29M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$16.14M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$16.49M	USD	3 Qtrs
Customer and other receivables	`IncreaseDecreaseInReceivables`	$91.51M	USD	3 Qtrs
Customer and other receivables	`IncreaseDecreaseInReceivables`	$65.20M	USD	3 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$18.67M	USD	3 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$83.94M	USD	3 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$20.59M	USD	3 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$18.33M	USD	3 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	-	USD	3 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$14.06M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$10.10M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-23.66M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-11.40M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$33.90M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$66.11M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$78.62M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-68.93M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$12.85M	USD	3 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$52.28M	USD	3 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$-14.12M	USD	3 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-74.63M	USD	3 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-27.05M	USD	3 Qtrs
Net cash flow provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$834.76M	USD	3 Qtrs
Net cash flow provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$959.76M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$857.88M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$898.46M	USD	3 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$34.12M	USD	3 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$22.61M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-18.96M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-14.64M	USD	3 Qtrs
Proceeds from nuclear decommissioning trust sales and other special use funds	`ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$443.21M	USD	3 Qtrs
Proceeds from nuclear decommissioning trust sales and other special use funds	`ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$521.00M	USD	3 Qtrs
Investment in nuclear decommissioning trust and other special use funds	`PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds`	$523.57M	USD	3 Qtrs
Investment in nuclear decommissioning trust and other special use funds	`PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds`	$461.78M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-49.00K	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-8.97M	USD	3 Qtrs
Net cash flow used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-832.01M	USD	3 Qtrs
Net cash flow used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-913.32M	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$794.98M	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$295.25M	USD	3 Qtrs
Short-term borrowing and payments net	`ProceedsFromRepaymentsOfShortTermDebt`	$-6.03M	USD	3 Qtrs
Short-term borrowing and payments net	`ProceedsFromRepaymentsOfShortTermDebt`	$19.80M	USD	3 Qtrs
Short-term debt borrowings	`ProceedsFromLinesOfCredit`	$45.00M	USD	3 Qtrs
Short-term debt borrowings	`ProceedsFromLinesOfCredit`	$49.00M	USD	3 Qtrs
Short-term debt repayments	`RepaymentsOfLinesOfCredit`	$62.00M	USD	3 Qtrs
Short-term debt repayments	`RepaymentsOfLinesOfCredit`	$32.00M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$500.00M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$82.00M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$228.04M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$243.12M	USD	3 Qtrs
Common stock equity issuance - net of purchases	`ProceedsFromRepurchaseOfEquity`	$-1.98M	USD	3 Qtrs
Common stock equity issuance - net of purchases	`ProceedsFromRepurchaseOfEquity`	$-130.00K	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$11.37M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$11.37M	USD	3 Qtrs
Net cash flow provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$21.34M	USD	3 Qtrs
Net cash flow provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$4.65M	USD	3 Qtrs
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$51.10M	USD	3 Qtrs
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$24.09M	USD	3 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$29.85M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.77M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.89M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$64.99M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$29.85M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.77M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.89M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$64.99M	USD	Point-in-time

Stockholders Equity 51 line items

Line Item	Tag	Value	Unit	Period
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.39	USD	3 Qtrs
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.48	USD	3 Qtrs
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Beginning balance (in shares)	`CommonStockSharesIssued`	112.16M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesIssued`	112.40M	shares	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.35B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.36B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.16B	USD	Point-in-time
Net Income	`ProfitLoss`	$319.88M	USD	1 Quarter
Net Income	`ProfitLoss`	$317.15M	USD	1 Quarter
Net Income	`ProfitLoss`	$488.96M	USD	3 Qtrs
Net Income	`ProfitLoss`	$499.59M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.52M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.17M	USD	3 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.55M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStock`	$155.61M	USD	3 Qtrs
Dividends on common stock	`DividendsCommonStock`	$165.63M	USD	3 Qtrs
Dividends on common stock	`DividendsCommonStock`	$5.00K	USD	1 Quarter
Dividends on common stock	`DividendsCommonStock`	$-14.00K	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$6.20M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$20.16M	USD	3 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$4.96M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$14.82M	USD	3 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$6.29M	USD	3 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$10.00K	USD	1 Quarter
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$6.89M	USD	3 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$8.00K	USD	1 Quarter
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$33.00K	USD	1 Quarter
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$6.60M	USD	3 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$10.50M	USD	3 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$30.00K	USD	1 Quarter
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.37M	USD	3 Qtrs
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.37M	USD	3 Qtrs
Reclassification of income tax effects related to new tax reform	`TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect`	$-8.55M	USD	3 Qtrs
Other	`MinorityInterestPeriodIncreaseDecrease`	$1.00K	USD	3 Qtrs
Other	`MinorityInterestPeriodIncreaseDecrease`	$1.00K	USD	1 Quarter
Other	`MinorityInterestPeriodIncreaseDecrease`	$1.00K	USD	1 Quarter
Other	`MinorityInterestPeriodIncreaseDecrease`	$1.00K	USD	3 Qtrs
Ending balance (in shares)	`CommonStockSharesIssued`	112.16M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesIssued`	112.40M	shares	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.68B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.35B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.36B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.16B	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$319.88M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$317.15M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$488.96M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$499.59M	USD	3 Qtrs
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$96.00K	USD	3 Qtrs
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$313.00K	USD	3 Qtrs
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$71.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$149.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$381.00K	USD	3 Qtrs
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$290.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$72.00K	USD	3 Qtrs
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$361.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-754.00K	USD	3 Qtrs
Net unrealized loss, net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net unrealized loss, net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-96.00K	USD	3 Qtrs
Net unrealized loss, net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Net unrealized loss, net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-451.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-1.32M	USD	3 Qtrs
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-950.00K	USD	3 Qtrs
Reclassification of net realized loss, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-218.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.10M	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-880.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.74M	USD	3 Qtrs
Pension and other postretirement benefits activity, net of tax expense (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-220.00K	USD	3 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.52M	USD	3 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.17M	USD	3 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.55M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$318.25M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$321.44M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$498.07M	USD	3 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$490.13M	USD	3 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.62M	USD	3 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.62M	USD	3 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$475.51M	USD	3 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$483.45M	USD	3 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$313.37M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$316.56M	USD	1 Quarter

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