10-Q Filing

PINNACLE WEST CAPITAL CORP CIK: 764622 Q2 2025

Filing Information

Form Type	10-Q
Accession Number	`0000764622-25-000072`
Period End Date	20250630
Filing Date	20250806
Fiscal Year	2025
Fiscal Period	Q2
XBRL Instance	pnw-20250630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 286 Income Statement 200 Cash Flow Statement 192 Stockholders Equity 102 Comprehensive Income 72

Balance Sheet 286 line items

Line Item	Tag	Value	Unit	Period
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	119.47M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	119.47M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	119.14M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	119.14M	shares	Point-in-time
Treasury stock at cost (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Treasury stock at cost (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Treasury stock at cost (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Treasury stock at cost (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$18.84M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$18.84M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.84M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.84M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$569.66M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$569.66M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$525.61M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$525.61M	USD	Point-in-time
Accrued unbilled revenues (Note 4)	`ContractWithCustomerAssetNetCurrent`	$272.33M	USD	Point-in-time
Accrued unbilled revenues (Note 4)	`ContractWithCustomerAssetNetCurrent`	$272.33M	USD	Point-in-time
Accrued unbilled revenues (Note 4)	`ContractWithCustomerAssetNetCurrent`	$176.90M	USD	Point-in-time
Accrued unbilled revenues (Note 4)	`ContractWithCustomerAssetNetCurrent`	$176.90M	USD	Point-in-time
Allowance for doubtful accounts (Note 4)	`AllowanceForDoubtfulAccountsReceivableCurrent`	$17.45M	USD	Point-in-time
Allowance for doubtful accounts (Note 4)	`AllowanceForDoubtfulAccountsReceivableCurrent`	$17.45M	USD	Point-in-time
Allowance for doubtful accounts (Note 4)	`AllowanceForDoubtfulAccountsReceivableCurrent`	$24.85M	USD	Point-in-time
Allowance for doubtful accounts (Note 4)	`AllowanceForDoubtfulAccountsReceivableCurrent`	$24.85M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$469.02M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$469.02M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$509.27M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$509.27M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$17.67M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$17.67M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$32.42M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$32.42M	USD	Point-in-time
Assets from risk management activities (Note 9)	`DerivativeInstrumentsAndHedges`	$10.90M	USD	Point-in-time
Assets from risk management activities (Note 9)	`DerivativeInstrumentsAndHedges`	$10.90M	USD	Point-in-time
Assets from risk management activities (Note 9)	`DerivativeInstrumentsAndHedges`	$10.58M	USD	Point-in-time
Assets from risk management activities (Note 9)	`DerivativeInstrumentsAndHedges`	$10.58M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 6)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$287.60M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 6)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$287.60M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 6)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$182.41M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 6)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$182.41M	USD	Point-in-time
Other regulatory assets (Note 6)	`OtherRegulatoryAssetsCurrent`	$133.37M	USD	Point-in-time
Other regulatory assets (Note 6)	`OtherRegulatoryAssetsCurrent`	$133.37M	USD	Point-in-time
Other regulatory assets (Note 6)	`OtherRegulatoryAssetsCurrent`	$121.44M	USD	Point-in-time
Other regulatory assets (Note 6)	`OtherRegulatoryAssetsCurrent`	$121.44M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$74.92M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$74.92M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$102.84M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$102.84M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.69B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.69B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.79B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.79B	USD	Point-in-time
Nuclear decommissioning trusts (Notes 13 and 14)	`DecommissioningTrustAssetsAmount`	$1.34B	USD	Point-in-time
Nuclear decommissioning trusts (Notes 13 and 14)	`DecommissioningTrustAssetsAmount`	$1.34B	USD	Point-in-time
Nuclear decommissioning trusts (Notes 13 and 14)	`DecommissioningTrustAssetsAmount`	$1.28B	USD	Point-in-time
Nuclear decommissioning trusts (Notes 13 and 14)	`DecommissioningTrustAssetsAmount`	$1.28B	USD	Point-in-time
Other special use funds (Notes 13 and 14)	`CoalReclamationandUnionTrust`	$423.33M	USD	Point-in-time
Other special use funds (Notes 13 and 14)	`CoalReclamationandUnionTrust`	$423.33M	USD	Point-in-time
Other special use funds (Notes 13 and 14)	`CoalReclamationandUnionTrust`	$408.36M	USD	Point-in-time
Other special use funds (Notes 13 and 14)	`CoalReclamationandUnionTrust`	$408.36M	USD	Point-in-time
Assets from risk management activities (Note 9)	`CreditRiskDerivativeAssetsAtFairValue`	$34.20M	USD	Point-in-time
Assets from risk management activities (Note 9)	`CreditRiskDerivativeAssetsAtFairValue`	$34.20M	USD	Point-in-time
Assets from risk management activities (Note 9)	`CreditRiskDerivativeAssetsAtFairValue`	$5.98M	USD	Point-in-time
Assets from risk management activities (Note 9)	`CreditRiskDerivativeAssetsAtFairValue`	$5.98M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$140.62M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$140.62M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$115.09M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$115.09M	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.94B	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.94B	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.81B	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.81B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$25.86B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$25.86B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$25.90B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$25.90B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.03B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$9.03B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$8.69B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$8.69B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$16.83B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$16.83B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$17.20B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$17.20B	USD	Point-in-time
Construction work in progress	`ConstructionWorkInProgressGross`	$2.09B	USD	Point-in-time
Construction work in progress	`ConstructionWorkInProgressGross`	$2.09B	USD	Point-in-time
Construction work in progress	`ConstructionWorkInProgressGross`	$1.59B	USD	Point-in-time
Construction work in progress	`ConstructionWorkInProgressGross`	$1.59B	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 8)	`PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet`	$80.62M	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 8)	`PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet`	$80.62M	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 8)	`PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet`	$82.56M	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 8)	`PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet`	$82.56M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$569.05M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$569.05M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$591.31M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$591.31M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$97.85M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$97.85M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$120.27M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$120.27M	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$19.20B	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$19.20B	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$20.06B	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$20.06B	USD	Point-in-time
Regulatory assets (Note 6)	`RegulatoryAssetsNoncurrent`	$1.36B	USD	Point-in-time
Regulatory assets (Note 6)	`RegulatoryAssetsNoncurrent`	$1.36B	USD	Point-in-time
Regulatory assets (Note 6)	`RegulatoryAssetsNoncurrent`	$1.39B	USD	Point-in-time
Regulatory assets (Note 6)	`RegulatoryAssetsNoncurrent`	$1.39B	USD	Point-in-time
Operating lease right-of-use assets (Note 16)	`OperatingLeaseRightOfUseAsset`	$1.61B	USD	Point-in-time
Operating lease right-of-use assets (Note 16)	`OperatingLeaseRightOfUseAsset`	$1.61B	USD	Point-in-time
Operating lease right-of-use assets (Note 16)	`OperatingLeaseRightOfUseAsset`	$3.64B	USD	Point-in-time
Operating lease right-of-use assets (Note 16)	`OperatingLeaseRightOfUseAsset`	$3.64B	USD	Point-in-time
Assets for pension and other postretirement benefits (Note 7)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$342.10M	USD	Point-in-time
Assets for pension and other postretirement benefits (Note 7)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$342.10M	USD	Point-in-time
Assets for pension and other postretirement benefits (Note 7)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$364.23M	USD	Point-in-time
Assets for pension and other postretirement benefits (Note 7)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$364.23M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$66.13M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$66.13M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$88.74M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$88.74M	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$5.45B	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$5.45B	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$3.40B	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$3.40B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$26.10B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$26.10B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$29.24B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$29.24B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$485.43M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$485.43M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$668.66M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$668.66M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$205.46M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$205.46M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$175.86M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$175.86M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$84.76M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$84.76M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$81.80M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$81.80M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$106.87M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$106.87M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$106.59M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$106.59M	USD	Point-in-time
Short-term borrowings (Note 5)	`ShortTermBorrowings`	$1.41B	USD	Point-in-time
Short-term borrowings (Note 5)	`ShortTermBorrowings`	$1.41B	USD	Point-in-time
Short-term borrowings (Note 5)	`ShortTermBorrowings`	$568.45M	USD	Point-in-time
Short-term borrowings (Note 5)	`ShortTermBorrowings`	$568.45M	USD	Point-in-time
Current maturities of long-term debt (Note 5)	`LongTermDebtCurrent`	$800.00M	USD	Point-in-time
Current maturities of long-term debt (Note 5)	`LongTermDebtCurrent`	$800.00M	USD	Point-in-time
Current maturities of long-term debt (Note 5)	`LongTermDebtCurrent`	$350.00M	USD	Point-in-time
Current maturities of long-term debt (Note 5)	`LongTermDebtCurrent`	$350.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$44.34M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$44.34M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$53.27M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$53.27M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeInstrumentsAndHedgesLiabilities`	$25.69M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeInstrumentsAndHedgesLiabilities`	$25.69M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeInstrumentsAndHedgesLiabilities`	$52.34M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeInstrumentsAndHedgesLiabilities`	$52.34M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$50.01M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$50.01M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$41.23M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$41.23M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityCurrent`	$191.63M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityCurrent`	$191.63M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityCurrent`	$100.37M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityCurrent`	$100.37M	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityCurrent`	$182.46M	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityCurrent`	$182.46M	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityCurrent`	$206.96M	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityCurrent`	$206.96M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$171.65M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$171.65M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$112.21M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$112.21M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.84B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.84B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.43B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.43B	USD	Point-in-time
LONG-TERM DEBT LESS CURRENT MATURITIES (Note 5)	`LongTermDebtNoncurrent`	$8.51B	USD	Point-in-time
LONG-TERM DEBT LESS CURRENT MATURITIES (Note 5)	`LongTermDebtNoncurrent`	$8.51B	USD	Point-in-time
LONG-TERM DEBT LESS CURRENT MATURITIES (Note 5)	`LongTermDebtNoncurrent`	$8.06B	USD	Point-in-time
LONG-TERM DEBT LESS CURRENT MATURITIES (Note 5)	`LongTermDebtNoncurrent`	$8.06B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.47B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.47B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.44B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$2.44B	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityNoncurrent`	$1.86B	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityNoncurrent`	$1.86B	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityNoncurrent`	$1.91B	USD	Point-in-time
Regulatory liabilities (Note 6)	`RegulatoryLiabilityNoncurrent`	$1.91B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$1.10B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$1.10B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$1.12B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$1.12B	USD	Point-in-time
Liabilities for pension benefits (Note 7)	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$139.32M	USD	Point-in-time
Liabilities for pension benefits (Note 7)	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$139.32M	USD	Point-in-time
Liabilities for pension benefits (Note 7)	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$147.93M	USD	Point-in-time
Liabilities for pension benefits (Note 7)	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$147.93M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeLiabilitiesNoncurrent`	$7.14M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeLiabilitiesNoncurrent`	$7.14M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeLiabilitiesNoncurrent`	$9.45M	USD	Point-in-time
Liabilities from risk management activities (Note 9)	`DerivativeLiabilitiesNoncurrent`	$9.45M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$569.34M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$569.34M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$580.66M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$580.66M	USD	Point-in-time
Coal mine reclamation	`RecordedUnconditionalPurchaseObligation`	$155.60M	USD	Point-in-time
Coal mine reclamation	`RecordedUnconditionalPurchaseObligation`	$155.60M	USD	Point-in-time
Coal mine reclamation	`RecordedUnconditionalPurchaseObligation`	$171.48M	USD	Point-in-time
Coal mine reclamation	`RecordedUnconditionalPurchaseObligation`	$171.48M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$246.19M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$246.19M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$249.49M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$249.49M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$44.23M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$44.23M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$45.81M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$45.81M	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityNoncurrent`	$3.55B	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityNoncurrent`	$3.55B	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityNoncurrent`	$1.52B	USD	Point-in-time
Operating lease liabilities (Note 16)	`OperatingLeaseLiabilityNoncurrent`	$1.52B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$237.15M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$237.15M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$242.32M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$242.32M	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$10.47B	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$10.47B	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$8.34B	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$8.34B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock, no par value; 300,000,000 and 150,000,000 shares authorized at respective dates, 119,472,939 and 119,143,782 shares issued at respective dates	`CommonStockValue`	$3.12B	USD	Point-in-time
Common stock, no par value; 300,000,000 and 150,000,000 shares authorized at respective dates, 119,472,939 and 119,143,782 shares issued at respective dates	`CommonStockValue`	$3.12B	USD	Point-in-time
Common stock, no par value; 300,000,000 and 150,000,000 shares authorized at respective dates, 119,472,939 and 119,143,782 shares issued at respective dates	`CommonStockValue`	$3.12B	USD	Point-in-time
Common stock, no par value; 300,000,000 and 150,000,000 shares authorized at respective dates, 119,472,939 and 119,143,782 shares issued at respective dates	`CommonStockValue`	$3.12B	USD	Point-in-time
Treasury stock at cost; 46,968 and 46,968 shares at respective dates	`TreasuryStockValue`	$3.32M	USD	Point-in-time
Treasury stock at cost; 46,968 and 46,968 shares at respective dates	`TreasuryStockValue`	$3.32M	USD	Point-in-time
Treasury stock at cost; 46,968 and 46,968 shares at respective dates	`TreasuryStockValue`	$3.32M	USD	Point-in-time
Treasury stock at cost; 46,968 and 46,968 shares at respective dates	`TreasuryStockValue`	$3.32M	USD	Point-in-time
Total common stock	`CommonStockValueCommonAndTreasury`	$3.12B	USD	Point-in-time
Total common stock	`CommonStockValueCommonAndTreasury`	$3.12B	USD	Point-in-time
Total common stock	`CommonStockValueCommonAndTreasury`	$3.12B	USD	Point-in-time
Total common stock	`CommonStockValueCommonAndTreasury`	$3.12B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.64B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.64B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.67B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.67B	USD	Point-in-time
Accumulated other comprehensive loss (Note 15)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.94M	USD	Point-in-time
Accumulated other comprehensive loss (Note 15)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.94M	USD	Point-in-time
Accumulated other comprehensive loss (Note 15)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.44M	USD	Point-in-time
Accumulated other comprehensive loss (Note 15)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.44M	USD	Point-in-time
Total shareholder equity	`StockholdersEquity`	$6.73B	USD	Point-in-time
Total shareholder equity	`StockholdersEquity`	$6.73B	USD	Point-in-time
Total shareholder equity	`StockholdersEquity`	$6.75B	USD	Point-in-time
Total shareholder equity	`StockholdersEquity`	$6.75B	USD	Point-in-time
Noncontrolling interests (Note 8)	`MinorityInterest`	$103.17M	USD	Point-in-time
Noncontrolling interests (Note 8)	`MinorityInterest`	$103.17M	USD	Point-in-time
Noncontrolling interests (Note 8)	`MinorityInterest`	$101.15M	USD	Point-in-time
Noncontrolling interests (Note 8)	`MinorityInterest`	$101.15M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.85B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.85B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.86B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.86B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.31B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.31B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.28B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.28B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$26.10B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$26.10B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$29.24B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$29.24B	USD	Point-in-time

Income Statement 200 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES (Note 4)	`Revenues`	$1.36B	USD	1 Quarter
OPERATING REVENUES (Note 4)	`Revenues`	$1.36B	USD	1 Quarter
OPERATING REVENUES (Note 4)	`Revenues`	$2.26B	USD	2 Qtrs
OPERATING REVENUES (Note 4)	`Revenues`	$2.26B	USD	2 Qtrs
OPERATING REVENUES (Note 4)	`Revenues`	$1.31B	USD	1 Quarter
OPERATING REVENUES (Note 4)	`Revenues`	$1.31B	USD	1 Quarter
OPERATING REVENUES (Note 4)	`Revenues`	$2.39B	USD	2 Qtrs
OPERATING REVENUES (Note 4)	`Revenues`	$2.39B	USD	2 Qtrs
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$795.04M	USD	2 Qtrs
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$795.04M	USD	2 Qtrs
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$477.01M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$477.01M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$437.17M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$437.17M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$857.08M	USD	2 Qtrs
Fuel and purchased power	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$857.08M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$286.61M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$286.61M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$586.71M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$586.71M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$529.84M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$529.84M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$272.27M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$272.27M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$463.83M	USD	2 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$463.83M	USD	2 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$228.89M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$228.89M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$225.02M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$225.02M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$435.31M	USD	2 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$435.31M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$57.65M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$57.65M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$117.81M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$117.81M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$58.65M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$58.65M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$117.00M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$117.00M	USD	2 Qtrs
Other expense	`OtherCostAndExpenseOperating`	$1.63M	USD	2 Qtrs
Other expense	`OtherCostAndExpenseOperating`	$1.63M	USD	2 Qtrs
Other expense	`OtherCostAndExpenseOperating`	$1.04M	USD	1 Quarter
Other expense	`OtherCostAndExpenseOperating`	$1.04M	USD	1 Quarter
Other expense	`OtherCostAndExpenseOperating`	$2.14M	USD	1 Quarter
Other expense	`OtherCostAndExpenseOperating`	$2.14M	USD	1 Quarter
Other expense	`OtherCostAndExpenseOperating`	$2.16M	USD	2 Qtrs
Other expense	`OtherCostAndExpenseOperating`	$2.16M	USD	2 Qtrs
Total	`CostsAndExpenses`	$1.05B	USD	1 Quarter
Total	`CostsAndExpenses`	$1.05B	USD	1 Quarter
Total	`CostsAndExpenses`	$995.25M	USD	1 Quarter
Total	`CostsAndExpenses`	$995.25M	USD	1 Quarter
Total	`CostsAndExpenses`	$1.88B	USD	2 Qtrs
Total	`CostsAndExpenses`	$1.88B	USD	2 Qtrs
Total	`CostsAndExpenses`	$2.03B	USD	2 Qtrs
Total	`CostsAndExpenses`	$2.03B	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$307.55M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$307.55M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$313.75M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$313.75M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$364.77M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$364.77M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$380.54M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$380.54M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.77M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.77M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$28.02M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$28.02M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$19.20M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$19.20M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$8.91M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$8.91M	USD	1 Quarter
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-6.65M	USD	2 Qtrs
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-6.65M	USD	2 Qtrs
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-3.69M	USD	1 Quarter
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-3.69M	USD	1 Quarter
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-12.88M	USD	1 Quarter
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-12.88M	USD	1 Quarter
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-24.45M	USD	2 Qtrs
Pension and other postretirement non-service credits, net (Note 7)	`PensionAndOtherPostretirementBenefitExpense`	$-24.45M	USD	2 Qtrs
Other income (Note 11)	`OtherNonoperatingIncome`	$36.49M	USD	2 Qtrs
Other income (Note 11)	`OtherNonoperatingIncome`	$36.49M	USD	2 Qtrs
Other income (Note 11)	`OtherNonoperatingIncome`	$29.57M	USD	2 Qtrs
Other income (Note 11)	`OtherNonoperatingIncome`	$29.57M	USD	2 Qtrs
Other income (Note 11)	`OtherNonoperatingIncome`	$5.88M	USD	1 Quarter
Other income (Note 11)	`OtherNonoperatingIncome`	$5.88M	USD	1 Quarter
Other income (Note 11)	`OtherNonoperatingIncome`	$12.10M	USD	1 Quarter
Other income (Note 11)	`OtherNonoperatingIncome`	$12.10M	USD	1 Quarter
Other expense (Note 11)	`OtherNonoperatingExpense`	$6.83M	USD	2 Qtrs
Other expense (Note 11)	`OtherNonoperatingExpense`	$6.83M	USD	2 Qtrs
Other expense (Note 11)	`OtherNonoperatingExpense`	$4.26M	USD	1 Quarter
Other expense (Note 11)	`OtherNonoperatingExpense`	$4.26M	USD	1 Quarter
Other expense (Note 11)	`OtherNonoperatingExpense`	$3.03M	USD	1 Quarter
Other expense (Note 11)	`OtherNonoperatingExpense`	$3.03M	USD	1 Quarter
Other expense (Note 11)	`OtherNonoperatingExpense`	$10.60M	USD	2 Qtrs
Other expense (Note 11)	`OtherNonoperatingExpense`	$10.60M	USD	2 Qtrs
Total	`NonoperatingIncomeExpense`	$26.30M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$26.30M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$57.40M	USD	2 Qtrs
Total	`NonoperatingIncomeExpense`	$57.40M	USD	2 Qtrs
Total	`NonoperatingIncomeExpense`	$24.64M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$24.64M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$69.54M	USD	2 Qtrs
Total	`NonoperatingIncomeExpense`	$69.54M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$218.47M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$218.47M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$108.89M	USD	1 Quarter
Interest charges	`InterestCostsIncurred`	$108.89M	USD	1 Quarter
Interest charges	`InterestCostsIncurred`	$208.66M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$208.66M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$113.53M	USD	1 Quarter
Interest charges	`InterestCostsIncurred`	$113.53M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$11.56M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$11.56M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$21.66M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$21.66M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$11.04M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$11.04M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$24.18M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$24.18M	USD	2 Qtrs
Total	`InterestExpenseNonoperating`	$196.81M	USD	2 Qtrs
Total	`InterestExpenseNonoperating`	$196.81M	USD	2 Qtrs
Total	`InterestExpenseNonoperating`	$97.86M	USD	1 Quarter
Total	`InterestExpenseNonoperating`	$97.86M	USD	1 Quarter
Total	`InterestExpenseNonoperating`	$101.97M	USD	1 Quarter
Total	`InterestExpenseNonoperating`	$101.97M	USD	1 Quarter
Total	`InterestExpenseNonoperating`	$184.49M	USD	2 Qtrs
Total	`InterestExpenseNonoperating`	$184.49M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$231.89M	USD	1 Quarter
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$231.89M	USD	1 Quarter
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$265.59M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$265.59M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$240.53M	USD	1 Quarter
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$240.53M	USD	1 Quarter
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$225.37M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$225.37M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$35.02M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$35.02M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$32.42M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$32.42M	USD	1 Quarter
Income taxes	`IncomeTaxExpenseBenefit`	$36.31M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$36.31M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$28.84M	USD	2 Qtrs
Income taxes	`IncomeTaxExpenseBenefit`	$28.84M	USD	2 Qtrs
Net Income	`ProfitLoss`	$196.53M	USD	2 Qtrs
Net Income	`ProfitLoss`	$196.53M	USD	2 Qtrs
Net Income	`ProfitLoss`	$229.28M	USD	2 Qtrs
Net Income	`ProfitLoss`	$229.28M	USD	2 Qtrs
Net Income	`ProfitLoss`	$196.87M	USD	1 Quarter
Net Income	`ProfitLoss`	$196.87M	USD	1 Quarter
Net Income	`ProfitLoss`	$208.11M	USD	1 Quarter
Net Income	`ProfitLoss`	$208.11M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests (Note 8)	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$220.67M	USD	2 Qtrs
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$220.67M	USD	2 Qtrs
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$192.56M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$192.56M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$203.81M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$203.81M	USD	1 Quarter
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$187.92M	USD	2 Qtrs
Net Income Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$187.92M	USD	2 Qtrs
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	119.56M	shares	2 Qtrs
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	119.56M	shares	2 Qtrs
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	113.69M	shares	1 Quarter
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	113.69M	shares	1 Quarter
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	119.52M	shares	1 Quarter
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	119.52M	shares	1 Quarter
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	113.66M	shares	2 Qtrs
Weighted-average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	113.66M	shares	2 Qtrs
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	121.81M	shares	2 Qtrs
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	121.81M	shares	2 Qtrs
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	121.86M	shares	1 Quarter
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	121.86M	shares	1 Quarter
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	115.02M	shares	2 Qtrs
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	115.02M	shares	2 Qtrs
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	115.80M	shares	1 Quarter
Weighted-average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	115.80M	shares	1 Quarter
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.79	USD	1 Quarter
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.79	USD	1 Quarter
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.61	USD	1 Quarter
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.61	USD	1 Quarter
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.94	USD	2 Qtrs
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.94	USD	2 Qtrs
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.57	USD	2 Qtrs
Net income attributable to common shareholders basic (in dollars per share)	`EarningsPerShareBasic`	$1.57	USD	2 Qtrs
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.58	USD	1 Quarter
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.58	USD	1 Quarter
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.54	USD	2 Qtrs
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.54	USD	2 Qtrs
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.92	USD	2 Qtrs
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.92	USD	2 Qtrs
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.76	USD	1 Quarter
Net income attributable to common shareholders diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.76	USD	1 Quarter

Cash Flow Statement 192 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$196.53M	USD	2 Qtrs
Net income	`ProfitLoss`	$196.53M	USD	2 Qtrs
Net income	`ProfitLoss`	$229.28M	USD	2 Qtrs
Net income	`ProfitLoss`	$229.28M	USD	2 Qtrs
Net income	`ProfitLoss`	$196.87M	USD	1 Quarter
Net income	`ProfitLoss`	$196.87M	USD	1 Quarter
Net income	`ProfitLoss`	$208.11M	USD	1 Quarter
Net income	`ProfitLoss`	$208.11M	USD	1 Quarter
Gain on sale relating to BCE	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	$22.99M	USD	2 Qtrs
Gain on sale relating to BCE	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	$22.99M	USD	2 Qtrs
Gain on sale relating to BCE	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	-	USD	2 Qtrs
Gain on sale relating to BCE	`DisposalGroupNotDiscontinuedOperationGainLossOnDisposal`	-	USD	2 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$465.55M	USD	2 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$465.55M	USD	2 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$492.23M	USD	2 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$492.23M	USD	2 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-64.22M	USD	2 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-64.22M	USD	2 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-95.85M	USD	2 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-95.85M	USD	2 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$201.03M	USD	2 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$201.03M	USD	2 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$204.75M	USD	2 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$204.75M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.77M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.77M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$28.02M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$28.02M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$19.20M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$19.20M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$8.91M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$8.91M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$339.00K	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$339.00K	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$1.44M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$1.44M	USD	2 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCreditExpense`	$-4.08M	USD	2 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCreditExpense`	$-4.08M	USD	2 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCreditExpense`	$-3.30M	USD	2 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCreditExpense`	$-3.30M	USD	2 Qtrs
Stock compensation	`ShareBasedCompensation`	$12.36M	USD	2 Qtrs
Stock compensation	`ShareBasedCompensation`	$12.36M	USD	2 Qtrs
Stock compensation	`ShareBasedCompensation`	$10.62M	USD	2 Qtrs
Stock compensation	`ShareBasedCompensation`	$10.62M	USD	2 Qtrs
Customer and other receivables	`IncreaseDecreaseInAccountsAndNotesReceivable`	$57.80M	USD	2 Qtrs
Customer and other receivables	`IncreaseDecreaseInAccountsAndNotesReceivable`	$57.80M	USD	2 Qtrs
Customer and other receivables	`IncreaseDecreaseInAccountsAndNotesReceivable`	$47.59M	USD	2 Qtrs
Customer and other receivables	`IncreaseDecreaseInAccountsAndNotesReceivable`	$47.59M	USD	2 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$95.42M	USD	2 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$95.42M	USD	2 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$147.16M	USD	2 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$147.16M	USD	2 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$25.50M	USD	2 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$25.50M	USD	2 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$55.50M	USD	2 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$55.50M	USD	2 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-332.00K	USD	2 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-332.00K	USD	2 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	-	USD	2 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	-	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$41.85M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$41.85M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$53.12M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$53.12M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$127.97M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$127.97M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$99.51M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$99.51M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$29.60M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$29.60M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$34.38M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$34.38M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-11.06M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-11.06M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$1.18M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$1.18M	USD	2 Qtrs
Change in long-term regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-18.18M	USD	2 Qtrs
Change in long-term regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-18.18M	USD	2 Qtrs
Change in long-term regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-38.99M	USD	2 Qtrs
Change in long-term regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-38.99M	USD	2 Qtrs
Change in long-term regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$44.86M	USD	2 Qtrs
Change in long-term regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$44.86M	USD	2 Qtrs
Change in long-term regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-4.64M	USD	2 Qtrs
Change in long-term regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-4.64M	USD	2 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$43.49M	USD	2 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$43.49M	USD	2 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$140.50M	USD	2 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$140.50M	USD	2 Qtrs
Change in operating lease assets	`IncreaseDecreaseInOperatingLeaseRightOfUseAsset`	$-138.44M	USD	2 Qtrs
Change in operating lease assets	`IncreaseDecreaseInOperatingLeaseRightOfUseAsset`	$-138.44M	USD	2 Qtrs
Change in operating lease assets	`IncreaseDecreaseInOperatingLeaseRightOfUseAsset`	$-19.79M	USD	2 Qtrs
Change in operating lease assets	`IncreaseDecreaseInOperatingLeaseRightOfUseAsset`	$-19.79M	USD	2 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-45.46M	USD	2 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-45.46M	USD	2 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-56.64M	USD	2 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-56.64M	USD	2 Qtrs
Change in operating lease liabilities	`IncreaseDecreaseInOperatingLeaseLiability`	$-16.87M	USD	2 Qtrs
Change in operating lease liabilities	`IncreaseDecreaseInOperatingLeaseLiability`	$-16.87M	USD	2 Qtrs
Change in operating lease liabilities	`IncreaseDecreaseInOperatingLeaseLiability`	$-86.63M	USD	2 Qtrs
Change in operating lease liabilities	`IncreaseDecreaseInOperatingLeaseLiability`	$-86.63M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$663.33M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$663.33M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$537.14M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$537.14M	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$1.33B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$1.33B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$1.05B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$1.05B	USD	2 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$144.33M	USD	2 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$144.33M	USD	2 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$107.72M	USD	2 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$107.72M	USD	2 Qtrs
Proceeds from sale relating to BCE	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$47.78M	USD	2 Qtrs
Proceeds from sale relating to BCE	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$47.78M	USD	2 Qtrs
Proceeds from sale relating to BCE	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	2 Qtrs
Proceeds from sale relating to BCE	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	2 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-24.18M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-24.18M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-21.66M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-21.66M	USD	2 Qtrs
Proceeds from nuclear decommissioning trusts sales and other special use funds	`ProceedsFromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$772.38M	USD	2 Qtrs
Proceeds from nuclear decommissioning trusts sales and other special use funds	`ProceedsFromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$772.38M	USD	2 Qtrs
Proceeds from nuclear decommissioning trusts sales and other special use funds	`ProceedsFromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$919.64M	USD	2 Qtrs
Proceeds from nuclear decommissioning trusts sales and other special use funds	`ProceedsFromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$919.64M	USD	2 Qtrs
Investment in nuclear decommissioning trusts and other special use funds	`PaymentsToAcquireInvestmentsToBeHeldInDecommissioningTrustFundAndOtherSpecialUseFunds`	$772.36M	USD	2 Qtrs
Investment in nuclear decommissioning trusts and other special use funds	`PaymentsToAcquireInvestmentsToBeHeldInDecommissioningTrustFundAndOtherSpecialUseFunds`	$772.36M	USD	2 Qtrs
Investment in nuclear decommissioning trusts and other special use funds	`PaymentsToAcquireInvestmentsToBeHeldInDecommissioningTrustFundAndOtherSpecialUseFunds`	$920.78M	USD	2 Qtrs
Investment in nuclear decommissioning trusts and other special use funds	`PaymentsToAcquireInvestmentsToBeHeldInDecommissioningTrustFundAndOtherSpecialUseFunds`	$920.78M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.33M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.33M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$6.18M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$6.18M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-887.11M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-887.11M	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.25B	USD	2 Qtrs
Net cash used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.25B	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfOtherLongTermDebt`	$795.40M	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfOtherLongTermDebt`	$795.40M	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfOtherLongTermDebt`	$1.31B	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfOtherLongTermDebt`	$1.31B	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfOtherLongTermDebt`	$800.00M	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfOtherLongTermDebt`	$800.00M	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfOtherLongTermDebt`	$675.00M	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfOtherLongTermDebt`	$675.00M	USD	2 Qtrs
Short-term borrowing and (repayments) - net	`ProceedsFromRepaymentsOfShortTermDebtNet`	$-78.05M	USD	2 Qtrs
Short-term borrowing and (repayments) - net	`ProceedsFromRepaymentsOfShortTermDebtNet`	$-78.05M	USD	2 Qtrs
Short-term borrowing and (repayments) - net	`ProceedsFromRepaymentsOfShortTermDebtNet`	$436.55M	USD	2 Qtrs
Short-term borrowing and (repayments) - net	`ProceedsFromRepaymentsOfShortTermDebtNet`	$436.55M	USD	2 Qtrs
Short-term debt borrowings under term loan facility	`ProceedsFromIssuanceOfSecuredDebt`	$350.00M	USD	2 Qtrs
Short-term debt borrowings under term loan facility	`ProceedsFromIssuanceOfSecuredDebt`	$350.00M	USD	2 Qtrs
Short-term debt borrowings under term loan facility	`ProceedsFromIssuanceOfSecuredDebt`	$400.00M	USD	2 Qtrs
Short-term debt borrowings under term loan facility	`ProceedsFromIssuanceOfSecuredDebt`	$400.00M	USD	2 Qtrs
Short-term debt repayments under term loan facility	`RepaymentsOfSecuredDebt`	-	USD	2 Qtrs
Short-term debt repayments under term loan facility	`RepaymentsOfSecuredDebt`	-	USD	2 Qtrs
Short-term debt repayments under term loan facility	`RepaymentsOfSecuredDebt`	$350.00M	USD	2 Qtrs
Short-term debt repayments under term loan facility	`RepaymentsOfSecuredDebt`	$350.00M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$210.15M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$210.15M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$196.30M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$196.30M	USD	2 Qtrs
Common stock equity issuance and (purchases) - net	`ProceedsFromIssuanceOrSaleOfEquity`	$-6.17M	USD	2 Qtrs
Common stock equity issuance and (purchases) - net	`ProceedsFromIssuanceOrSaleOfEquity`	$-6.17M	USD	2 Qtrs
Common stock equity issuance and (purchases) - net	`ProceedsFromIssuanceOrSaleOfEquity`	$-4.23M	USD	2 Qtrs
Common stock equity issuance and (purchases) - net	`ProceedsFromIssuanceOrSaleOfEquity`	$-4.23M	USD	2 Qtrs
Capital activities by noncontrolling interests	`PaymentsToMinorityShareholders`	$10.63M	USD	2 Qtrs
Capital activities by noncontrolling interests	`PaymentsToMinorityShareholders`	$10.63M	USD	2 Qtrs
Capital activities by noncontrolling interests	`PaymentsToMinorityShareholders`	$10.63M	USD	2 Qtrs
Capital activities by noncontrolling interests	`PaymentsToMinorityShareholders`	$10.63M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$349.03M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$349.03M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$605.01M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$605.01M	USD	2 Qtrs
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-948.00K	USD	2 Qtrs
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-948.00K	USD	2 Qtrs
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$15.00M	USD	2 Qtrs
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$15.00M	USD	2 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.96M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.96M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.01M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.01M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.96M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.96M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.01M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.01M	USD	Point-in-time

Stockholders Equity 102 line items

Line Item	Tag	Value	Unit	Period
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.76	USD	1 Quarter
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.76	USD	1 Quarter
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.79	USD	1 Quarter
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.79	USD	1 Quarter
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.76	USD	2 Qtrs
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.76	USD	2 Qtrs
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.79	USD	2 Qtrs
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.79	USD	2 Qtrs
Beginning balance (in shares)	`CommonStockSharesIssued`	119.47M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesIssued`	119.47M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesIssued`	119.14M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesIssued`	119.14M	shares	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.85B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.85B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.86B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.86B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.32B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.32B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.31B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.31B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.28B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.28B	USD	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Net income	`ProfitLoss`	$196.53M	USD	2 Qtrs
Net income	`ProfitLoss`	$196.53M	USD	2 Qtrs
Net income	`ProfitLoss`	$229.28M	USD	2 Qtrs
Net income	`ProfitLoss`	$229.28M	USD	2 Qtrs
Net income	`ProfitLoss`	$196.87M	USD	1 Quarter
Net income	`ProfitLoss`	$196.87M	USD	1 Quarter
Net income	`ProfitLoss`	$208.11M	USD	1 Quarter
Net income	`ProfitLoss`	$208.11M	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-150.00K	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-150.00K	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$501.00K	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$501.00K	USD	2 Qtrs
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-347.00K	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-347.00K	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-712.00K	USD	1 Quarter
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-712.00K	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$213.73M	USD	2 Qtrs
Dividends on common stock	`DividendsCommonStockCash`	$213.73M	USD	2 Qtrs
Dividends on common stock	`DividendsCommonStockCash`	$199.87M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$199.87M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$213.73M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$213.73M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$199.87M	USD	2 Qtrs
Dividends on common stock	`DividendsCommonStockCash`	$199.87M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssuesNettedAgainstCompensationExpense`	$-2.21M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssuesNettedAgainstCompensationExpense`	$-2.21M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssuesNettedAgainstCompensationExpense`	$9.79M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssuesNettedAgainstCompensationExpense`	$9.79M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$11.84M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$11.84M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$7.00M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$7.00M	USD	1 Quarter
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$4.91M	USD	2 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$4.91M	USD	2 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$5.90M	USD	2 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$5.90M	USD	2 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$1.88M	USD	1 Quarter
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$1.88M	USD	1 Quarter
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	1 Quarter
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	1 Quarter
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	2 Qtrs
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	2 Qtrs
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	1 Quarter
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	1 Quarter
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	2 Qtrs
Capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.63M	USD	2 Qtrs
Other	`StockholdersEquityOther`	$-1.00K	USD	2 Qtrs
Other	`StockholdersEquityOther`	$-1.00K	USD	2 Qtrs
Other	`StockholdersEquityOther`	$1.00K	USD	2 Qtrs
Other	`StockholdersEquityOther`	$1.00K	USD	2 Qtrs
Other	`StockholdersEquityOther`	$-2.00K	USD	1 Quarter
Other	`StockholdersEquityOther`	$-2.00K	USD	1 Quarter
Other	`StockholdersEquityOther`	$1.00K	USD	1 Quarter
Other	`StockholdersEquityOther`	$1.00K	USD	1 Quarter
Ending balance (in shares)	`CommonStockSharesIssued`	119.47M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesIssued`	119.47M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesIssued`	119.14M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesIssued`	119.14M	shares	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.85B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.85B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.86B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.86B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.32B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.32B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.83B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.31B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.31B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.28B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.28B	USD	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	46,968.00	shares	Point-in-time

Comprehensive Income 72 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$196.53M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$196.53M	USD	2 Qtrs
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$18.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$18.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-131.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-131.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-131.00K	USD	2 Qtrs
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-131.00K	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$229.28M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$229.28M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$196.87M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$196.87M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$208.11M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$208.11M	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$18.00K	USD	2 Qtrs
Derivative instruments net unrealized gain (loss), net of tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$18.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$103.00K	USD	1 Quarter
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$103.00K	USD	1 Quarter
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-82.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-82.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-95.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-95.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$69.00K	USD	1 Quarter
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$69.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-294.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-294.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-399.00K	USD	2 Qtrs
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-399.00K	USD	2 Qtrs
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-399.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-399.00K	USD	1 Quarter
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$56.00K	USD	2 Qtrs
Derivative instruments net unrealized gain (loss), net of tax benefit (expense) of $(18), $131, $(18) and $131	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$56.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-249.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-249.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$53.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$53.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-445.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-445.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$313.00K	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax benefit (expense) of $44, $101, $(89) and $(60)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$313.00K	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-150.00K	USD	2 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-150.00K	USD	2 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$501.00K	USD	2 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$501.00K	USD	2 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-347.00K	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-347.00K	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-712.00K	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-712.00K	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$197.03M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$197.03M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$196.52M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$196.52M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$207.40M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$207.40M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$229.13M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$229.13M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.31M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.61M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$220.52M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$220.52M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$192.22M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$192.22M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$188.42M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$188.42M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$203.09M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$203.09M	USD	1 Quarter

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