10-Q Filing

OGE ENERGY CORP. CIK: 1021635 Q3 2024

Filing Information

Form Type	10-Q
Accession Number	`0000950170-24-120954`
Period End Date	20240930
Filing Date	20241105
Fiscal Year	2024
Fiscal Period	Q3
XBRL Instance	oge-20240930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 186 Income Statement 220 Cash Flow Statement 144 Stockholders Equity 102 Comprehensive Income 72

Balance Sheet 186 line items

Line Item	Tag	Value	Unit	Period
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$2.20M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$2.20M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$2.10M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$2.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$9.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$9.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$200.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$200.00K	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$208.80M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$208.80M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$330.50M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$330.50M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$72.70M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$72.70M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$88.20M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$88.20M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$18.20M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$18.20M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$158.50M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$158.50M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$123.40M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$123.40M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$254.30M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$254.30M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$238.20M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$238.20M	USD	Point-in-time
Fuel clause under recoveries	`DeferredFuelCost`	$43.30M	USD	Point-in-time
Fuel clause under recoveries	`DeferredFuelCost`	$43.30M	USD	Point-in-time
Fuel clause under recoveries	`DeferredFuelCost`	-	USD	Point-in-time
Fuel clause under recoveries	`DeferredFuelCost`	-	USD	Point-in-time
Other	`OtherAssetsCurrent`	$63.00M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$63.00M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$58.80M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$58.80M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$896.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$896.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$771.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$771.50M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$122.60M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$122.60M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$114.00M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$114.00M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$114.00M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$114.00M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$122.60M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$122.60M	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$15.59B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$15.59B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$16.05B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$16.05B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$522.20M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$522.20M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$783.70M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$783.70M	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.83B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.83B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.11B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.11B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.81B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.81B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$5.00B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$5.00B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.83B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.83B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.30B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.30B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$577.60M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$577.60M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$572.70M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$572.70M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$26.60M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$26.60M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$52.00M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$52.00M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$604.20M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$604.20M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$624.70M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$624.70M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.79B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.79B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$13.48B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$13.48B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.74B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.74B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$499.20M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$499.20M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$215.20M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$215.20M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$269.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$269.80M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$84.60M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$84.60M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$83.80M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$83.80M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$103.50M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$103.50M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$110.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$110.00M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$47.60M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$47.60M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$101.40M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$101.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$72.90M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$72.90M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$57.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$57.40M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$46.80M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$46.80M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$54.20M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$54.20M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$32.40M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$32.40M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	-	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	-	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$20.50M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$20.50M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$16.40M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$16.40M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$84.60M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$84.60M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$44.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$44.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.04B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.04B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.18B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$4.34B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$4.34B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$5.02B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$5.02B	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$166.90M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$166.90M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$172.70M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$172.70M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.30B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.30B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.36B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.36B	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$10.70M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$10.70M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$11.30M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$11.30M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.01B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.01B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.06B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.06B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$242.60M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$242.60M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$213.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$213.00M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.80B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.80B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.76B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.76B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.86B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.86B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.28B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.28B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.16B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.16B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.15B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.15B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.46B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.46B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.37B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.37B	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.20M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.20M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.10M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.10M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.62B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.62B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.51B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.51B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$12.79B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$12.79B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$13.48B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$13.48B	USD	Point-in-time

Income Statement 220 line items

Line Item	Tag	Value	Unit	Period
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.06B	USD	3 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.06B	USD	3 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$923.00M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$923.00M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.17B	USD	3 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.17B	USD	3 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$945.20M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$945.20M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$52.90M	USD	3 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$52.90M	USD	3 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$22.40M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$22.40M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$20.20M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$20.20M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$50.80M	USD	3 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$50.80M	USD	3 Qtrs
Operating revenues	`Revenues`	$2.22B	USD	3 Qtrs
Operating revenues	`Revenues`	$2.22B	USD	3 Qtrs
Operating revenues	`Revenues`	$2.11B	USD	3 Qtrs
Operating revenues	`Revenues`	$2.11B	USD	3 Qtrs
Operating revenues	`Revenues`	$965.40M	USD	1 Quarter
Operating revenues	`Revenues`	$965.40M	USD	1 Quarter
Operating revenues	`Revenues`	$945.40M	USD	1 Quarter
Operating revenues	`Revenues`	$945.40M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$350.10M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$350.10M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$776.20M	USD	3 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$776.20M	USD	3 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$716.20M	USD	3 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$716.20M	USD	3 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$333.80M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$333.80M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$122.70M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$122.70M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$381.40M	USD	3 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$381.40M	USD	3 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$394.20M	USD	3 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$394.20M	USD	3 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$131.40M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$131.40M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$377.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$377.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$144.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$144.00M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$408.70M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$408.70M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$132.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$132.50M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$82.60M	USD	3 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$82.60M	USD	3 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$26.70M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$26.70M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$25.30M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$25.30M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$78.20M	USD	3 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$78.20M	USD	3 Qtrs
Operating expenses	`OperatingExpenses`	$885.50M	USD	3 Qtrs
Operating expenses	`OperatingExpenses`	$885.50M	USD	3 Qtrs
Operating expenses	`OperatingExpenses`	$302.10M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$302.10M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$280.50M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$280.50M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$837.40M	USD	3 Qtrs
Operating expenses	`OperatingExpenses`	$837.40M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$313.20M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$313.20M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$554.00M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$554.00M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$331.10M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$331.10M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$563.10M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$563.10M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$18.20M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$18.20M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.10M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.10M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.90M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.90M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.50M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.50M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-4.10M	USD	3 Qtrs
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-4.10M	USD	3 Qtrs
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.70M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.70M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.50M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.50M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-5.00M	USD	3 Qtrs
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-5.00M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$38.10M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$38.10M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$8.50M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$8.50M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$20.20M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$20.20M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$6.80M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$6.80M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$15.80M	USD	3 Qtrs
Other expense	`OtherNonoperatingExpense`	$15.80M	USD	3 Qtrs
Other expense	`OtherNonoperatingExpense`	$7.90M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$7.90M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$4.70M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$4.70M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$18.80M	USD	3 Qtrs
Other expense	`OtherNonoperatingExpense`	$18.80M	USD	3 Qtrs
Net other income	`NonoperatingIncomeExpense`	$37.50M	USD	3 Qtrs
Net other income	`NonoperatingIncomeExpense`	$37.50M	USD	3 Qtrs
Net other income	`NonoperatingIncomeExpense`	$10.70M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$10.70M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$6.60M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$6.60M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$27.60M	USD	3 Qtrs
Net other income	`NonoperatingIncomeExpense`	$27.60M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$59.60M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$59.60M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$153.00M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$153.00M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$52.00M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$52.00M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$166.50M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$166.50M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.30M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.30M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.90M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.90M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.90M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.90M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$10.70M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$10.70M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$15.20M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$15.20M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$33.50M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$33.50M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$7.30M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$7.30M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$8.50M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$8.50M	USD	1 Quarter
Interest expense	`InterestExpense`	$162.90M	USD	3 Qtrs
Interest expense	`InterestExpense`	$162.90M	USD	3 Qtrs
Interest expense	`InterestExpense`	$64.20M	USD	1 Quarter
Interest expense	`InterestExpense`	$64.20M	USD	1 Quarter
Interest expense	`InterestExpense`	$57.40M	USD	1 Quarter
Interest expense	`InterestExpense`	$57.40M	USD	1 Quarter
Interest expense	`InterestExpense`	$189.30M	USD	3 Qtrs
Interest expense	`InterestExpense`	$189.30M	USD	3 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$280.30M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$280.30M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$259.70M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$259.70M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$428.60M	USD	3 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$428.60M	USD	3 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$401.40M	USD	3 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$401.40M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$61.80M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$61.80M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$38.40M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$38.40M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$60.00M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$60.00M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$41.00M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$41.00M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$218.70M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$218.70M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$368.60M	USD	3 Qtrs
NET INCOME	`NetIncomeLoss`	$368.60M	USD	3 Qtrs
NET INCOME	`NetIncomeLoss`	$339.60M	USD	3 Qtrs
NET INCOME	`NetIncomeLoss`	$339.60M	USD	3 Qtrs
NET INCOME	`NetIncomeLoss`	$241.90M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$241.90M	USD	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.90M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.90M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.70M	shares	3 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.70M	shares	3 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	3 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.00M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.00M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.90M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.90M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.20M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.20M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.50M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.50M	shares	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.21	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.21	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.69	USD	3 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.69	USD	3 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.09	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.09	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.84	USD	3 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.84	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.20	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.20	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.83	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.83	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.69	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.69	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.09	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.09	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$200.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$200.00K	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$218.80M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$218.80M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$370.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$370.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$242.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$242.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$343.70M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$343.70M	USD	3 Qtrs

Cash Flow Statement 144 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$218.70M	USD	1 Quarter
Net income	`ProfitLoss`	$218.70M	USD	1 Quarter
Net income	`ProfitLoss`	$339.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$339.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$368.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$368.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	1 Quarter
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$377.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$377.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$408.70M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$408.70M	USD	3 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$7.70M	USD	3 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$7.70M	USD	3 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$20.20M	USD	3 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$20.20M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$18.20M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$18.20M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.10M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$14.10M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.90M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.90M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.50M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.50M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$9.50M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$9.50M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$8.60M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$8.60M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$86.60M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$86.60M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$37.30M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$37.30M	USD	3 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-8.40M	USD	3 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-8.40M	USD	3 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-8.90M	USD	3 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-8.90M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$27.50M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$27.50M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$3.40M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$3.40M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$37.30M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$37.30M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$1.90M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$1.90M	USD	3 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$137.20M	USD	3 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$137.20M	USD	3 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$113.30M	USD	3 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$113.30M	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-14.20M	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-14.20M	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-18.20M	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-18.20M	USD	3 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$64.90M	USD	3 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$64.90M	USD	3 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$-51.60M	USD	3 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$-51.60M	USD	3 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-461.90M	USD	3 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-461.90M	USD	3 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$47.40M	USD	3 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$47.40M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-52.40M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-52.40M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$4.10M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$4.10M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-141.60M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-141.60M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-45.30M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-45.30M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$124.40M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$124.40M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$60.10M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$60.10M	USD	3 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$921.30M	USD	3 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$921.30M	USD	3 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$683.20M	USD	3 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$683.20M	USD	3 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$794.30M	USD	3 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$794.30M	USD	3 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$879.60M	USD	3 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$879.60M	USD	3 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$57.00M	USD	3 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$57.00M	USD	3 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$75.40M	USD	3 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$75.40M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-851.30M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-851.30M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-955.00M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-955.00M	USD	3 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$707.90M	USD	3 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$707.90M	USD	3 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$788.80M	USD	3 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$788.80M	USD	3 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$1.00B	USD	3 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$1.00B	USD	3 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$100.00K	USD	3 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$100.00K	USD	3 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-284.00M	USD	3 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-284.00M	USD	3 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$411.40M	USD	3 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$411.40M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$249.40M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$249.40M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$253.90M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$253.90M	USD	3 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	3 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	3 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$14.00M	USD	3 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$14.00M	USD	3 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.30M	USD	3 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.30M	USD	3 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$6.10M	USD	3 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$6.10M	USD	3 Qtrs
Net cash provided from (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$177.80M	USD	3 Qtrs
Net cash provided from (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$177.80M	USD	3 Qtrs
Net cash provided from (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-51.60M	USD	3 Qtrs
Net cash provided from (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-51.60M	USD	3 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$9.70M	USD	3 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$9.70M	USD	3 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-85.30M	USD	3 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-85.30M	USD	3 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$2.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$2.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$9.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$9.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$2.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$2.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$9.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$9.90M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time

Stockholders Equity 102 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.54B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.54B	USD	Point-in-time
Net income	`ProfitLoss`	$218.70M	USD	1 Quarter
Net income	`ProfitLoss`	$218.70M	USD	1 Quarter
Net income	`ProfitLoss`	$339.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$339.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$368.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$368.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$200.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$200.00K	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.60M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.60M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.70M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.70M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$86.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$86.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$84.60M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$84.60M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$84.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$84.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.00M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.00M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$3.10M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$3.10M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$10.90M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$10.90M	USD	1 Quarter
Issuance of common stock, Number of Shares	`StockIssuedDuringPeriodSharesNewIssues`	255,578.00	shares	3 Qtrs
Issuance of common stock, Number of Shares	`StockIssuedDuringPeriodSharesNewIssues`	255,578.00	shares	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$800.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$800.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.10M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.10M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-2.70M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-2.70M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.54B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.54B	USD	Point-in-time

Comprehensive Income 72 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$218.70M	USD	1 Quarter
Net income	`ProfitLoss`	$218.70M	USD	1 Quarter
Net income	`ProfitLoss`	$339.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$339.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$368.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$368.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$200.00K	USD	3 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$200.00K	USD	3 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$200.00K	USD	3 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$200.00K	USD	3 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-600.00K	USD	3 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-600.00K	USD	3 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	3 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.1, $0.1 and $0.2, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	3 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	3 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	3 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	$3.90M	USD	3 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	$3.90M	USD	3 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$1.10M	USD	3 Qtrs
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$1.10M	USD	3 Qtrs
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	3 Qtrs
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	3 Qtrs
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.0, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	3 Qtrs
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	3 Qtrs
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	3 Qtrs
Amortization of deferred net gain, net of tax of ($0.0), ($0.1), ($0.0) and ($0.1), respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$200.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$200.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.80M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.80M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$4.10M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$4.10M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$218.80M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$218.80M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$370.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$370.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$242.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$242.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$343.70M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$343.70M	USD	3 Qtrs

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