10-K Filing

WEC ENERGY GROUP, INC. CIK: 783325 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0000107815-25-000103`
Period End Date	20241231
Filing Date	20250221
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	wec-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 196 Income Statement 138 Cash Flow Statement 268 Stockholders Equity 86 Comprehensive Income 66

Balance Sheet 196 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable and unbilled revenues, reserves	`AllowanceForDoubtfulAccountsReceivableCurrent`	$193.50M	USD	Point-in-time
Accounts receivable and unbilled revenues, reserves	`AllowanceForDoubtfulAccountsReceivableCurrent`	$193.50M	USD	Point-in-time
Accounts receivable and unbilled revenues, reserves	`AllowanceForDoubtfulAccountsReceivableCurrent`	$162.80M	USD	Point-in-time
Accounts receivable and unbilled revenues, reserves	`AllowanceForDoubtfulAccountsReceivableCurrent`	$162.80M	USD	Point-in-time
Property, plant, and equipment, accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$11.61B	USD	Point-in-time
Property, plant, and equipment, accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$11.61B	USD	Point-in-time
Property, plant, and equipment, accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$11.07B	USD	Point-in-time
Property, plant, and equipment, accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$11.07B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$9.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$9.80M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$42.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$42.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$28.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$28.90M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	650.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	650.00M	shares	Point-in-time
Accounts receivable and unbilled revenues, net of reserves of $162.8 and $193.5, respectively	`AccountsReceivableNetCurrent`	$1.67B	USD	Point-in-time
Accounts receivable and unbilled revenues, net of reserves of $162.8 and $193.5, respectively	`AccountsReceivableNetCurrent`	$1.67B	USD	Point-in-time
Accounts receivable and unbilled revenues, net of reserves of $162.8 and $193.5, respectively	`AccountsReceivableNetCurrent`	$1.50B	USD	Point-in-time
Accounts receivable and unbilled revenues, net of reserves of $162.8 and $193.5, respectively	`AccountsReceivableNetCurrent`	$1.50B	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	650.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	650.00M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	317.68M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	317.68M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	315.43M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	315.43M	shares	Point-in-time
Materials, supplies, and inventories	`EnergyRelatedInventory`	$775.20M	USD	Point-in-time
Materials, supplies, and inventories	`EnergyRelatedInventory`	$775.20M	USD	Point-in-time
Materials, supplies, and inventories	`EnergyRelatedInventory`	$813.20M	USD	Point-in-time
Materials, supplies, and inventories	`EnergyRelatedInventory`	$813.20M	USD	Point-in-time
Prepaid Taxes	`PrepaidTaxes`	$214.90M	USD	Point-in-time
Prepaid Taxes	`PrepaidTaxes`	$214.90M	USD	Point-in-time
Prepaid Taxes	`PrepaidTaxes`	$173.90M	USD	Point-in-time
Prepaid Taxes	`PrepaidTaxes`	$173.90M	USD	Point-in-time
Other prepayments	`OtherPrepaidExpenseCurrent`	$76.80M	USD	Point-in-time
Other prepayments	`OtherPrepaidExpenseCurrent`	$76.80M	USD	Point-in-time
Other prepayments	`OtherPrepaidExpenseCurrent`	$82.60M	USD	Point-in-time
Other prepayments	`OtherPrepaidExpenseCurrent`	$82.60M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$223.70M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$223.70M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$121.90M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$121.90M	USD	Point-in-time
Current assets	`AssetsCurrent`	$2.80B	USD	Point-in-time
Current assets	`AssetsCurrent`	$2.80B	USD	Point-in-time
Current assets	`AssetsCurrent`	$2.91B	USD	Point-in-time
Current assets	`AssetsCurrent`	$2.91B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.34B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.34B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.25B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.25B	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $11,611.9 and $11,073.1, respectively	`PropertyPlantAndEquipmentNet`	$31.58B	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $11,611.9 and $11,073.1, respectively	`PropertyPlantAndEquipmentNet`	$31.58B	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $11,611.9 and $11,073.1, respectively	`PropertyPlantAndEquipmentNet`	$34.65B	USD	Point-in-time
Property, plant, and equipment, net of accumulated depreciation and amortization of $11,611.9 and $11,073.1, respectively	`PropertyPlantAndEquipmentNet`	$34.65B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.34B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.34B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtCurrent`	$1.73B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtCurrent`	$1.73B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.25B	USD	Point-in-time
Regulatory assets (December 31, 2024 and December 31, 2023 include $76.5 and $85.9, respectively, related to WEPCo Environmental Trust)	`RegulatoryAssetsNoncurrent`	$3.25B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtCurrent`	$1.26B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtCurrent`	$1.26B	USD	Point-in-time
Equity investment in transmission affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.01B	USD	Point-in-time
Equity investment in transmission affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.01B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$17.18B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$17.18B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$15.37B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$15.37B	USD	Point-in-time
Equity investment in transmission affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.11B	USD	Point-in-time
Equity investment in transmission affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.11B	USD	Point-in-time
Goodwill	`Goodwill`	$3.05B	USD	Point-in-time
Goodwill	`Goodwill`	$3.05B	USD	Point-in-time
Goodwill	`Goodwill`	$3.05B	USD	Point-in-time
Goodwill	`Goodwill`	$3.05B	USD	Point-in-time
Pension and OPEB assets	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$968.50M	USD	Point-in-time
Pension and OPEB assets	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$968.50M	USD	Point-in-time
Pension and OPEB assets	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$870.90M	USD	Point-in-time
Pension and OPEB assets	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$870.90M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$336.20M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$336.20M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$383.10M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$383.10M	USD	Point-in-time
Long-term assets	`AssetsNoncurrent`	$44.45B	USD	Point-in-time
Long-term assets	`AssetsNoncurrent`	$44.45B	USD	Point-in-time
Long-term assets	`AssetsNoncurrent`	$41.14B	USD	Point-in-time
Long-term assets	`AssetsNoncurrent`	$41.14B	USD	Point-in-time
Total assets	`Assets`	$43.94B	USD	Point-in-time
Total assets	`Assets`	$43.94B	USD	Point-in-time
Total assets	`Assets`	$47.36B	USD	Point-in-time
Total assets	`Assets`	$47.36B	USD	Point-in-time
Total assets	`Assets`	$41.87B	USD	Point-in-time
Total assets	`Assets`	$41.87B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$2.02B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$2.02B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$1.12B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$1.12B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.26B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.26B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.73B	USD	Point-in-time
Current portion of long-term debt (December 31, 2024 and December 31, 2023 include $9.2 and $9.0, respectively, related to WEPCo Environmental Trust)	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$1.73B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$896.60M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$896.60M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$1.14B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$1.14B	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$933.10M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$933.10M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$859.20M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$859.20M	USD	Point-in-time
Current liabilities	`LiabilitiesCurrent`	$4.84B	USD	Point-in-time
Current liabilities	`LiabilitiesCurrent`	$4.84B	USD	Point-in-time
Current liabilities	`LiabilitiesCurrent`	$5.11B	USD	Point-in-time
Current liabilities	`LiabilitiesCurrent`	$5.11B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$17.18B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$17.18B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$15.37B	USD	Point-in-time
Long-term debt (December 31, 2024 and December 31, 2023 include $76.4 and $85.3, respectively, related to WEPCo Environmental Trust)	`LongTermDebtNoncurrent`	$15.37B	USD	Point-in-time
Finance lease obligations	`FinanceLeaseLiabilityNoncurrent`	$145.90M	USD	Point-in-time
Finance lease obligations	`FinanceLeaseLiabilityNoncurrent`	$145.90M	USD	Point-in-time
Finance lease obligations	`FinanceLeaseLiabilityNoncurrent`	$303.30M	USD	Point-in-time
Finance lease obligations	`FinanceLeaseLiabilityNoncurrent`	$303.30M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$4.92B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$4.92B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$5.51B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$5.51B	USD	Point-in-time
Deferred revenue, net	`DeferredRevenueNoncurrent`	$334.60M	USD	Point-in-time
Deferred revenue, net	`DeferredRevenueNoncurrent`	$334.60M	USD	Point-in-time
Deferred revenue, net	`DeferredRevenueNoncurrent`	$356.40M	USD	Point-in-time
Deferred revenue, net	`DeferredRevenueNoncurrent`	$356.40M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.96B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.96B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.70B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$3.70B	USD	Point-in-time
Intangible liabilities	`IntangibleLiabilities`	$566.80M	USD	Point-in-time
Intangible liabilities	`IntangibleLiabilities`	$566.80M	USD	Point-in-time
Intangible liabilities	`IntangibleLiabilities`	$594.80M	USD	Point-in-time
Intangible liabilities	`IntangibleLiabilities`	$594.80M	USD	Point-in-time
Environmental remediation liabilities	`AccruedEnvironmentalLossContingenciesNoncurrent`	$463.70M	USD	Point-in-time
Environmental remediation liabilities	`AccruedEnvironmentalLossContingenciesNoncurrent`	$463.70M	USD	Point-in-time
Environmental remediation liabilities	`AccruedEnvironmentalLossContingenciesNoncurrent`	$445.80M	USD	Point-in-time
Environmental remediation liabilities	`AccruedEnvironmentalLossContingenciesNoncurrent`	$445.80M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$479.30M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$479.30M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$580.00M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$580.00M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$462.00M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$462.00M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$374.20M	USD	Point-in-time
AROs	`AssetRetirementObligation`	$374.20M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$838.10M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$838.10M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$835.30M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$835.30M	USD	Point-in-time
Long-term liabilities	`LiabilitiesNoncurrent`	$29.72B	USD	Point-in-time
Long-term liabilities	`LiabilitiesNoncurrent`	$29.72B	USD	Point-in-time
Long-term liabilities	`LiabilitiesNoncurrent`	$26.75B	USD	Point-in-time
Long-term liabilities	`LiabilitiesNoncurrent`	$26.75B	USD	Point-in-time
Commitments and contingencies (Note 24)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 24)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 24)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 24)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock $0.01 par value; 650,000,000 shares authorized; 317,680,855 and 315,434,531 shares outstanding, respectively	`CommonStockValue`	$3.20M	USD	Point-in-time
Common stock $0.01 par value; 650,000,000 shares authorized; 317,680,855 and 315,434,531 shares outstanding, respectively	`CommonStockValue`	$3.20M	USD	Point-in-time
Common stock $0.01 par value; 650,000,000 shares authorized; 317,680,855 and 315,434,531 shares outstanding, respectively	`CommonStockValue`	$3.20M	USD	Point-in-time
Common stock $0.01 par value; 650,000,000 shares authorized; 317,680,855 and 315,434,531 shares outstanding, respectively	`CommonStockValue`	$3.20M	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapitalCommonStock`	$4.12B	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapitalCommonStock`	$4.12B	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapitalCommonStock`	$4.32B	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapitalCommonStock`	$4.32B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$7.61B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$7.61B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$8.08B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$8.08B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.70M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.70M	USD	Point-in-time
Common shareholders' equity	`TotalCommonShareholdersEquity`	$12.39B	USD	Point-in-time
Common shareholders' equity	`TotalCommonShareholdersEquity`	$12.39B	USD	Point-in-time
Common shareholders' equity	`TotalCommonShareholdersEquity`	$11.72B	USD	Point-in-time
Common shareholders' equity	`TotalCommonShareholdersEquity`	$11.72B	USD	Point-in-time
Preferred stock of subsidiary	`PreferredStockValue`	$30.40M	USD	Point-in-time
Preferred stock of subsidiary	`PreferredStockValue`	$30.40M	USD	Point-in-time
Preferred stock of subsidiary	`PreferredStockValue`	$30.40M	USD	Point-in-time
Preferred stock of subsidiary	`PreferredStockValue`	$30.40M	USD	Point-in-time
Noncontrolling interests	`OtherMinorityInterests`	$376.50M	USD	Point-in-time
Noncontrolling interests	`OtherMinorityInterests`	$376.50M	USD	Point-in-time
Noncontrolling interests	`OtherMinorityInterests`	$316.90M	USD	Point-in-time
Noncontrolling interests	`OtherMinorityInterests`	$316.90M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$47.36B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$47.36B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$43.94B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$43.94B	USD	Point-in-time

Income Statement 138 line items

Line Item	Tag	Value	Unit	Period
Operating revenues	`Revenues`	$8.89B	USD	Annual
Operating revenues	`Revenues`	$8.89B	USD	Annual
Operating revenues	`Revenues`	$8.60B	USD	Annual
Operating revenues	`Revenues`	$8.60B	USD	Annual
Operating revenues	`Revenues`	$9.60B	USD	Annual
Operating revenues	`Revenues`	$9.60B	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$2.66B	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$2.66B	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$4.36B	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$4.36B	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$3.19B	USD	Annual
Cost of sales	`CostOfGoodsAndServicesSold`	$3.19B	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$2.16B	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$2.16B	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$2.10B	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$2.10B	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$1.94B	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$1.94B	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	-	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	-	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$178.90M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$178.90M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$12.10M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$12.10M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.35B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.35B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.26B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.26B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.12B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.12B	USD	Annual
Property and revenue taxes	`TaxesExcludingIncomeAndExciseTaxes`	$266.50M	USD	Annual
Property and revenue taxes	`TaxesExcludingIncomeAndExciseTaxes`	$266.50M	USD	Annual
Property and revenue taxes	`TaxesExcludingIncomeAndExciseTaxes`	$253.70M	USD	Annual
Property and revenue taxes	`TaxesExcludingIncomeAndExciseTaxes`	$253.70M	USD	Annual
Property and revenue taxes	`TaxesExcludingIncomeAndExciseTaxes`	$250.20M	USD	Annual
Property and revenue taxes	`TaxesExcludingIncomeAndExciseTaxes`	$250.20M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.45B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.45B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$7.67B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$7.67B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.99B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$6.99B	USD	Annual
Operating income	`OperatingIncomeLoss`	$1.91B	USD	Annual
Operating income	`OperatingIncomeLoss`	$1.91B	USD	Annual
Operating income	`OperatingIncomeLoss`	$1.92B	USD	Annual
Operating income	`OperatingIncomeLoss`	$1.92B	USD	Annual
Operating income	`OperatingIncomeLoss`	$2.15B	USD	Annual
Operating income	`OperatingIncomeLoss`	$2.15B	USD	Annual
Equity in earnings of transmission affiliates	`IncomeLossFromEquityMethodInvestmentsOfTransmissionAffiliates`	$194.70M	USD	Annual
Equity in earnings of transmission affiliates	`IncomeLossFromEquityMethodInvestmentsOfTransmissionAffiliates`	$194.70M	USD	Annual
Equity in earnings of transmission affiliates	`IncomeLossFromEquityMethodInvestmentsOfTransmissionAffiliates`	$177.50M	USD	Annual
Equity in earnings of transmission affiliates	`IncomeLossFromEquityMethodInvestmentsOfTransmissionAffiliates`	$177.50M	USD	Annual
Equity in earnings of transmission affiliates	`IncomeLossFromEquityMethodInvestmentsOfTransmissionAffiliates`	$207.50M	USD	Annual
Equity in earnings of transmission affiliates	`IncomeLossFromEquityMethodInvestmentsOfTransmissionAffiliates`	$207.50M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$178.20M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$178.20M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$177.70M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$177.70M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$128.80M	USD	Annual
Other income, net	`OtherNonoperatingIncomeExpense`	$128.80M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$815.30M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$815.30M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$515.10M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$515.10M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$727.40M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$727.40M	USD	Annual
Gain on debt extinguishments	`GainsLossesOnExtinguishmentOfDebt`	$500.00K	USD	Annual
Gain on debt extinguishments	`GainsLossesOnExtinguishmentOfDebt`	$500.00K	USD	Annual
Gain on debt extinguishments	`GainsLossesOnExtinguishmentOfDebt`	$23.10M	USD	Annual
Gain on debt extinguishments	`GainsLossesOnExtinguishmentOfDebt`	$23.10M	USD	Annual
Gain on debt extinguishments	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Gain on debt extinguishments	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Other expense	`NonoperatingIncomeExpense`	$-191.60M	USD	Annual
Other expense	`NonoperatingIncomeExpense`	$-191.60M	USD	Annual
Other expense	`NonoperatingIncomeExpense`	$-371.70M	USD	Annual
Other expense	`NonoperatingIncomeExpense`	$-371.70M	USD	Annual
Other expense	`NonoperatingIncomeExpense`	$-406.50M	USD	Annual
Other expense	`NonoperatingIncomeExpense`	$-406.50M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.75B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.75B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.54B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.54B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.73B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.73B	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$322.90M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$322.90M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$222.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$222.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$204.60M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$204.60M	USD	Annual
Net income	`ProfitLoss`	$1.52B	USD	Annual
Net income	`ProfitLoss`	$1.52B	USD	Annual
Net income	`ProfitLoss`	$1.41B	USD	Annual
Net income	`ProfitLoss`	$1.41B	USD	Annual
Net income	`ProfitLoss`	$1.33B	USD	Annual
Net income	`ProfitLoss`	$1.33B	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Net (income) loss attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.20M	USD	Annual
Net (income) loss attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.20M	USD	Annual
Net (income) loss attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.10M	USD	Annual
Net (income) loss attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.10M	USD	Annual
Net (income) loss attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$400.00K	USD	Annual
Net (income) loss attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$400.00K	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.53B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.53B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.33B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.33B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.41B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.41B	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.83	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.83	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.22	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.22	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.46	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.46	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.83	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.83	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.45	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.45	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.22	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.22	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	316.20M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	316.20M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	315.40M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	315.40M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	315.40M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	315.40M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	316.10M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	316.10M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	315.90M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	315.90M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	316.50M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	316.50M	shares	Annual

Cash Flow Statement 268 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$1.52B	USD	Annual
Net income	`ProfitLoss`	$1.52B	USD	Annual
Net income	`ProfitLoss`	$1.41B	USD	Annual
Net income	`ProfitLoss`	$1.41B	USD	Annual
Net income	`ProfitLoss`	$1.33B	USD	Annual
Net income	`ProfitLoss`	$1.33B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.35B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.35B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.26B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.26B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.12B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$1.12B	USD	Annual
Deferred income taxes and ITCs, net	`DeferredIncomeTaxesAndTaxCredits`	$280.10M	USD	Annual
Deferred income taxes and ITCs, net	`DeferredIncomeTaxesAndTaxCredits`	$280.10M	USD	Annual
Deferred income taxes and ITCs, net	`DeferredIncomeTaxesAndTaxCredits`	$529.00M	USD	Annual
Deferred income taxes and ITCs, net	`DeferredIncomeTaxesAndTaxCredits`	$529.00M	USD	Annual
Deferred income taxes and ITCs, net	`DeferredIncomeTaxesAndTaxCredits`	$219.40M	USD	Annual
Deferred income taxes and ITCs, net	`DeferredIncomeTaxesAndTaxCredits`	$219.40M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	-	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	-	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$178.90M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$178.90M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$12.10M	USD	Annual
Impairment related to ICC disallowances	`ImpairmentOfLongLivedAssetsHeldForUse`	$12.10M	USD	Annual
Contributions and payments related to pension and OPEB plans	`PensionAndOtherPostretirementBenefitContributions`	$16.70M	USD	Annual
Contributions and payments related to pension and OPEB plans	`PensionAndOtherPostretirementBenefitContributions`	$16.70M	USD	Annual
Contributions and payments related to pension and OPEB plans	`PensionAndOtherPostretirementBenefitContributions`	$14.50M	USD	Annual
Contributions and payments related to pension and OPEB plans	`PensionAndOtherPostretirementBenefitContributions`	$14.50M	USD	Annual
Contributions and payments related to pension and OPEB plans	`PensionAndOtherPostretirementBenefitContributions`	$15.10M	USD	Annual
Contributions and payments related to pension and OPEB plans	`PensionAndOtherPostretirementBenefitContributions`	$15.10M	USD	Annual
Equity income in transmission affiliates, net of distributions	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$74.30M	USD	Annual
Equity income in transmission affiliates, net of distributions	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$74.30M	USD	Annual
Equity income in transmission affiliates, net of distributions	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$33.00M	USD	Annual
Equity income in transmission affiliates, net of distributions	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$33.00M	USD	Annual
Equity income in transmission affiliates, net of distributions	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$57.40M	USD	Annual
Equity income in transmission affiliates, net of distributions	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$57.40M	USD	Annual
Net change in transmission regulatory assets and liabilities	`DeferredTransmissionCosts`	$85.80M	USD	Annual
Net change in transmission regulatory assets and liabilities	`DeferredTransmissionCosts`	$85.80M	USD	Annual
Net change in transmission regulatory assets and liabilities	`DeferredTransmissionCosts`	$22.80M	USD	Annual
Net change in transmission regulatory assets and liabilities	`DeferredTransmissionCosts`	$22.80M	USD	Annual
Net change in transmission regulatory assets and liabilities	`DeferredTransmissionCosts`	$-19.80M	USD	Annual
Net change in transmission regulatory assets and liabilities	`DeferredTransmissionCosts`	$-19.80M	USD	Annual
Net loss (gain) on disposition of assets	`GainLossOnDispositionOfAssets`	$66.20M	USD	Annual
Net loss (gain) on disposition of assets	`GainLossOnDispositionOfAssets`	$66.20M	USD	Annual
Net loss (gain) on disposition of assets	`GainLossOnDispositionOfAssets`	$-700.00K	USD	Annual
Net loss (gain) on disposition of assets	`GainLossOnDispositionOfAssets`	$-700.00K	USD	Annual
Net loss (gain) on disposition of assets	`GainLossOnDispositionOfAssets`	$23.80M	USD	Annual
Net loss (gain) on disposition of assets	`GainLossOnDispositionOfAssets`	$23.80M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$342.10M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$342.10M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$161.50M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$161.50M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-340.60M	USD	Annual
Accounts receivable and unbilled revenues, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-340.60M	USD	Annual
Materials, supplies, and inventories	`IncreaseDecreaseInInventories`	$-41.90M	USD	Annual
Materials, supplies, and inventories	`IncreaseDecreaseInInventories`	$-41.90M	USD	Annual
Materials, supplies, and inventories	`IncreaseDecreaseInInventories`	$171.30M	USD	Annual
Materials, supplies, and inventories	`IncreaseDecreaseInInventories`	$171.30M	USD	Annual
Materials, supplies, and inventories	`IncreaseDecreaseInInventories`	$38.00M	USD	Annual
Materials, supplies, and inventories	`IncreaseDecreaseInInventories`	$38.00M	USD	Annual
Collateral on deposit	`IncreaseDecreaseInDepositOtherAssets`	$-22.10M	USD	Annual
Collateral on deposit	`IncreaseDecreaseInDepositOtherAssets`	$-22.10M	USD	Annual
Collateral on deposit	`IncreaseDecreaseInDepositOtherAssets`	$-84.30M	USD	Annual
Collateral on deposit	`IncreaseDecreaseInDepositOtherAssets`	$-84.30M	USD	Annual
Collateral on deposit	`IncreaseDecreaseInDepositOtherAssets`	$108.10M	USD	Annual
Collateral on deposit	`IncreaseDecreaseInDepositOtherAssets`	$108.10M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-36.30M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-36.30M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-32.30M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-32.30M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$75.40M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$75.40M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-254.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-254.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$99.70M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$99.70M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$121.50M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$121.50M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$126.90M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$126.90M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$11.60M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$11.60M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$47.50M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$47.50M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-156.50M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-156.50M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-169.50M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-169.50M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-34.80M	USD	Annual
Other, net	`OtherOperatingActivitiesCashFlowStatement`	$-34.80M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.21B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.21B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.06B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.06B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.02B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.02B	USD	Annual
Capital expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.49B	USD	Annual
Capital expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.49B	USD	Annual
Capital expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.78B	USD	Annual
Capital expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.78B	USD	Annual
Capital expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.31B	USD	Annual
Capital expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$2.31B	USD	Annual
Acquisition of Delilah I, net of cash acquired of $0.6	`PaymentsForAssetAcquisitionSevenNetOfCashAcquired`	$462.50M	USD	Annual
Acquisition of Delilah I, net of cash acquired of $0.6	`PaymentsForAssetAcquisitionSevenNetOfCashAcquired`	$462.50M	USD	Annual
Acquisition of Delilah I, net of cash acquired of $0.6	`PaymentsForAssetAcquisitionSevenNetOfCashAcquired`	-	USD	Annual
Acquisition of Delilah I, net of cash acquired of $0.6	`PaymentsForAssetAcquisitionSevenNetOfCashAcquired`	-	USD	Annual
Acquisition of Delilah I, net of cash acquired of $0.6	`PaymentsForAssetAcquisitionSevenNetOfCashAcquired`	-	USD	Annual
Acquisition of Delilah I, net of cash acquired of $0.6	`PaymentsForAssetAcquisitionSevenNetOfCashAcquired`	-	USD	Annual
Acquisition of Maple Flats, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionEightNetOfCashAcquired`	$431.20M	USD	Annual
Acquisition of Maple Flats, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionEightNetOfCashAcquired`	$431.20M	USD	Annual
Acquisition of Maple Flats, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionEightNetOfCashAcquired`	-	USD	Annual
Acquisition of Maple Flats, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionEightNetOfCashAcquired`	-	USD	Annual
Acquisition of Maple Flats, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionEightNetOfCashAcquired`	-	USD	Annual
Acquisition of Maple Flats, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionEightNetOfCashAcquired`	-	USD	Annual
Acquisition of West Riverside	`PaymentsForAssetAcquisitionFiveNetOfCashAcquired`	$97.90M	USD	Annual
Acquisition of West Riverside	`PaymentsForAssetAcquisitionFiveNetOfCashAcquired`	$97.90M	USD	Annual
Acquisition of West Riverside	`PaymentsForAssetAcquisitionFiveNetOfCashAcquired`	$95.30M	USD	Annual
Acquisition of West Riverside	`PaymentsForAssetAcquisitionFiveNetOfCashAcquired`	$95.30M	USD	Annual
Acquisition of West Riverside	`PaymentsForAssetAcquisitionFiveNetOfCashAcquired`	-	USD	Annual
Acquisition of West Riverside	`PaymentsForAssetAcquisitionFiveNetOfCashAcquired`	-	USD	Annual
Acquisition of Red Barn	`PaymentsForAssetsAcquisitionFourNetOfCashAcquired`	$2.10M	USD	Annual
Acquisition of Red Barn	`PaymentsForAssetsAcquisitionFourNetOfCashAcquired`	$2.10M	USD	Annual
Acquisition of Red Barn	`PaymentsForAssetsAcquisitionFourNetOfCashAcquired`	$143.80M	USD	Annual
Acquisition of Red Barn	`PaymentsForAssetsAcquisitionFourNetOfCashAcquired`	$143.80M	USD	Annual
Acquisition of Red Barn	`PaymentsForAssetsAcquisitionFourNetOfCashAcquired`	-	USD	Annual
Acquisition of Red Barn	`PaymentsForAssetsAcquisitionFourNetOfCashAcquired`	-	USD	Annual
Acquisition of Whitewater	`PaymentsForAssetsAcquisitionThreeNetOfCashAcquired`	$76.00M	USD	Annual
Acquisition of Whitewater	`PaymentsForAssetsAcquisitionThreeNetOfCashAcquired`	$76.00M	USD	Annual
Acquisition of Whitewater	`PaymentsForAssetsAcquisitionThreeNetOfCashAcquired`	-	USD	Annual
Acquisition of Whitewater	`PaymentsForAssetsAcquisitionThreeNetOfCashAcquired`	-	USD	Annual
Acquisition of Whitewater	`PaymentsForAssetsAcquisitionThreeNetOfCashAcquired`	-	USD	Annual
Acquisition of Whitewater	`PaymentsForAssetsAcquisitionThreeNetOfCashAcquired`	-	USD	Annual
Acquisition of Sapphire Sky, net of cash acquired of $0.3	`PaymentsToAcquireAssetsInvestingActivities`	-	USD	Annual
Acquisition of Sapphire Sky, net of cash acquired of $0.3	`PaymentsToAcquireAssetsInvestingActivities`	-	USD	Annual
Acquisition of Sapphire Sky, net of cash acquired of $0.3	`PaymentsToAcquireAssetsInvestingActivities`	-	USD	Annual
Acquisition of Sapphire Sky, net of cash acquired of $0.3	`PaymentsToAcquireAssetsInvestingActivities`	-	USD	Annual
Acquisition of Sapphire Sky, net of cash acquired of $0.3	`PaymentsToAcquireAssetsInvestingActivities`	$442.60M	USD	Annual
Acquisition of Sapphire Sky, net of cash acquired of $0.3	`PaymentsToAcquireAssetsInvestingActivities`	$442.60M	USD	Annual
Acquisition of Samson I, net of cash acquired of $5.2	`PaymentsForAssetAcquisitionTwoNetOfCashAcquired`	-	USD	Annual
Acquisition of Samson I, net of cash acquired of $5.2	`PaymentsForAssetAcquisitionTwoNetOfCashAcquired`	-	USD	Annual
Acquisition of Samson I, net of cash acquired of $5.2	`PaymentsForAssetAcquisitionTwoNetOfCashAcquired`	-	USD	Annual
Acquisition of Samson I, net of cash acquired of $5.2	`PaymentsForAssetAcquisitionTwoNetOfCashAcquired`	-	USD	Annual
Acquisition of Samson I, net of cash acquired of $5.2	`PaymentsForAssetAcquisitionTwoNetOfCashAcquired`	$257.30M	USD	Annual
Acquisition of Samson I, net of cash acquired of $5.2	`PaymentsForAssetAcquisitionTwoNetOfCashAcquired`	$257.30M	USD	Annual
Acquisition of Thunderhead, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionSixNetOfCashAcquired`	$382.00M	USD	Annual
Acquisition of Thunderhead, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionSixNetOfCashAcquired`	$382.00M	USD	Annual
Acquisition of Thunderhead, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionSixNetOfCashAcquired`	-	USD	Annual
Acquisition of Thunderhead, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionSixNetOfCashAcquired`	-	USD	Annual
Acquisition of Thunderhead, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionSixNetOfCashAcquired`	-	USD	Annual
Acquisition of Thunderhead, net of cash acquired of $0.5	`PaymentsForAssetAcquisitionSixNetOfCashAcquired`	-	USD	Annual
Capital contributions to transmission affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$45.50M	USD	Annual
Capital contributions to transmission affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$45.50M	USD	Annual
Capital contributions to transmission affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$45.50M	USD	Annual
Capital contributions to transmission affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$45.50M	USD	Annual
Capital contributions to transmission affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$63.70M	USD	Annual
Capital contributions to transmission affiliates	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$63.70M	USD	Annual
Proceeds from the sale of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$1.70M	USD	Annual
Proceeds from the sale of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$1.70M	USD	Annual
Proceeds from the sale of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$32.80M	USD	Annual
Proceeds from the sale of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$32.80M	USD	Annual
Proceeds from the sale of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$69.00M	USD	Annual
Proceeds from the sale of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$69.00M	USD	Annual
Insurance proceeds received for property damage	`ProceedsFromInsuranceSettlementInvestingActivities`	$2.50M	USD	Annual
Insurance proceeds received for property damage	`ProceedsFromInsuranceSettlementInvestingActivities`	$2.50M	USD	Annual
Insurance proceeds received for property damage	`ProceedsFromInsuranceSettlementInvestingActivities`	$41.60M	USD	Annual
Insurance proceeds received for property damage	`ProceedsFromInsuranceSettlementInvestingActivities`	$41.60M	USD	Annual
Insurance proceeds received for property damage	`ProceedsFromInsuranceSettlementInvestingActivities`	$6.00M	USD	Annual
Insurance proceeds received for property damage	`ProceedsFromInsuranceSettlementInvestingActivities`	$6.00M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$21.90M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$21.90M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$10.60M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$10.60M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-10.10M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-10.10M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.64B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.64B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.80B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.80B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.56B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.56B	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$23.70M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$23.70M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$6.30M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$6.30M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$33.60M	USD	Annual
Exercise of stock options	`ProceedsFromStockOptionsExercised`	$33.60M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$163.40M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$163.40M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Purchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$16.60M	USD	Annual
Purchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$16.60M	USD	Annual
Purchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$69.20M	USD	Annual
Purchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$69.20M	USD	Annual
Purchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$3.20M	USD	Annual
Purchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$3.20M	USD	Annual
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$984.20M	USD	Annual
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$984.20M	USD	Annual
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$917.90M	USD	Annual
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$917.90M	USD	Annual
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$1.06B	USD	Annual
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$1.06B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.17B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.17B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.46B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$4.46B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.00B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.00B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$2.14B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$2.14B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$92.10M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$92.10M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$1.01B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$1.01B	USD	Annual
Change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$373.70M	USD	Annual
Change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$373.70M	USD	Annual
Change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-902.80M	USD	Annual
Change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-902.80M	USD	Annual
Change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-252.60M	USD	Annual
Change in commercial paper	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-252.60M	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`PaymentsToMinorityShareholders`	$28.10M	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`PaymentsToMinorityShareholders`	$28.10M	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`PaymentsToMinorityShareholders`	-	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`PaymentsToMinorityShareholders`	-	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`PaymentsToMinorityShareholders`	-	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`PaymentsToMinorityShareholders`	-	USD	Annual
Payments for debt extinguishment and issuance costs	`PaymentsForDebtExtinguishmentAndIssuanceCosts`	$45.90M	USD	Annual
Payments for debt extinguishment and issuance costs	`PaymentsForDebtExtinguishmentAndIssuanceCosts`	$45.90M	USD	Annual
Payments for debt extinguishment and issuance costs	`PaymentsForDebtExtinguishmentAndIssuanceCosts`	$14.20M	USD	Annual
Payments for debt extinguishment and issuance costs	`PaymentsForDebtExtinguishmentAndIssuanceCosts`	$14.20M	USD	Annual
Payments for debt extinguishment and issuance costs	`PaymentsForDebtExtinguishmentAndIssuanceCosts`	$15.60M	USD	Annual
Payments for debt extinguishment and issuance costs	`PaymentsForDebtExtinguishmentAndIssuanceCosts`	$15.60M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.10M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.10M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.10M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.10M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.80M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.80M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$522.80M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$522.80M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$676.40M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$676.40M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$467.70M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$467.70M	USD	Annual
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-17.00M	USD	Annual
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-17.00M	USD	Annual
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$94.70M	USD	Annual
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$94.70M	USD	Annual
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-123.00M	USD	Annual
Net change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-123.00M	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$42.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$42.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$165.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$165.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$87.50M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$87.50M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$42.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$42.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$165.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$165.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$182.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$87.50M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$87.50M	USD	Point-in-time

Stockholders Equity 86 line items

Line Item	Tag	Value	Unit	Period
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.91	USD	Annual
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.91	USD	Annual
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.34	USD	Annual
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.34	USD	Annual
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.12	USD	Annual
Dividends per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.12	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.11B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.11B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.80B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.80B	USD	Point-in-time
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.53B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.53B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.33B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.33B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.41B	USD	Annual
Net income attributed to common shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.41B	USD	Annual
Net income (loss) attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.20M	USD	Annual
Net income (loss) attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.20M	USD	Annual
Net income (loss) attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.10M	USD	Annual
Net income (loss) attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-4.10M	USD	Annual
Net income (loss) attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$400.00K	USD	Annual
Net income (loss) attributed to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$400.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-100.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-100.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-3.60M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-3.60M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-900.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-900.00K	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$163.40M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$163.40M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Common stock dividends	`DividendsCommonStockCash`	$917.90M	USD	Annual
Common stock dividends	`DividendsCommonStockCash`	$917.90M	USD	Annual
Common stock dividends	`DividendsCommonStockCash`	$984.20M	USD	Annual
Common stock dividends	`DividendsCommonStockCash`	$984.20M	USD	Annual
Common stock dividends	`DividendsCommonStockCash`	$1.06B	USD	Annual
Common stock dividends	`DividendsCommonStockCash`	$1.06B	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$23.70M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$23.70M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.30M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.30M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$33.60M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$33.60M	USD	Annual
Purchase of common stock	`StockRepurchasedDuringPeriodValue`	$3.20M	USD	Annual
Purchase of common stock	`StockRepurchasedDuringPeriodValue`	$3.20M	USD	Annual
Purchase of common stock	`StockRepurchasedDuringPeriodValue`	$16.60M	USD	Annual
Purchase of common stock	`StockRepurchasedDuringPeriodValue`	$16.60M	USD	Annual
Purchase of common stock	`StockRepurchasedDuringPeriodValue`	$69.20M	USD	Annual
Purchase of common stock	`StockRepurchasedDuringPeriodValue`	$69.20M	USD	Annual
Acquisition of noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$99.40M	USD	Annual
Acquisition of noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$99.40M	USD	Annual
Acquisition of noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$114.90M	USD	Annual
Acquisition of noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$114.90M	USD	Annual
Acquisition of noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$42.50M	USD	Annual
Acquisition of noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$42.50M	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$-28.10M	USD	Annual
Purchase of additional ownership interest in Samson I from noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$-28.10M	USD	Annual
Capital contributions from noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.10M	USD	Annual
Capital contributions from noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.10M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.30M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.30M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$6.00M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$6.00M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.30M	USD	Annual
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.30M	USD	Annual
Stock-based compensation and other	`StockholdersEquityOther`	$-11.70M	USD	Annual
Stock-based compensation and other	`StockholdersEquityOther`	$-11.70M	USD	Annual
Stock-based compensation and other	`StockholdersEquityOther`	$-12.60M	USD	Annual
Stock-based compensation and other	`StockholdersEquityOther`	$-12.60M	USD	Annual
Stock-based compensation and other	`StockholdersEquityOther`	$-10.90M	USD	Annual
Stock-based compensation and other	`StockholdersEquityOther`	$-10.90M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.11B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.11B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.80B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$12.80B	USD	Point-in-time

Comprehensive Income 66 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$1.52B	USD	Annual
Net income	`ProfitLoss`	$1.52B	USD	Annual
Net income	`ProfitLoss`	$1.41B	USD	Annual
Net income	`ProfitLoss`	$1.41B	USD	Annual
Tax expense (benefit) on pension and OPEB adjustments arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$200.00K	USD	Annual
Tax expense (benefit) on pension and OPEB adjustments arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$200.00K	USD	Annual
Net income	`ProfitLoss`	$1.33B	USD	Annual
Net income	`ProfitLoss`	$1.33B	USD	Annual
Tax expense (benefit) on pension and OPEB adjustments arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$1.30M	USD	Annual
Tax expense (benefit) on pension and OPEB adjustments arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$1.30M	USD	Annual
Tax expense (benefit) on pension and OPEB adjustments arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$-100.00K	USD	Annual
Tax expense (benefit) on pension and OPEB adjustments arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$-100.00K	USD	Annual
Reclassification of realized derivative gains to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$300.00K	USD	Annual
Reclassification of realized derivative gains to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$300.00K	USD	Annual
Reclassification of realized derivative gains to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$300.00K	USD	Annual
Reclassification of realized derivative gains to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$300.00K	USD	Annual
Reclassification of realized derivative gains to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$300.00K	USD	Annual
Reclassification of realized derivative gains to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$300.00K	USD	Annual
Pension and OPEB adjustments arising during the period, net of tax expense (benefit) of $0.1, $(0.2), and $(1.3), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$-100.00K	USD	Annual
Pension and OPEB adjustments arising during the period, net of tax expense (benefit) of $0.1, $(0.2), and $(1.3), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$-100.00K	USD	Annual
Pension and OPEB adjustments arising during the period, net of tax expense (benefit) of $0.1, $(0.2), and $(1.3), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$3.50M	USD	Annual
Pension and OPEB adjustments arising during the period, net of tax expense (benefit) of $0.1, $(0.2), and $(1.3), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$3.50M	USD	Annual
Pension and OPEB adjustments arising during the period, net of tax expense (benefit) of $0.1, $(0.2), and $(1.3), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$600.00K	USD	Annual
Pension and OPEB adjustments arising during the period, net of tax expense (benefit) of $0.1, $(0.2), and $(1.3), respectively	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$600.00K	USD	Annual
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	Annual
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	Annual
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$200.00K	USD	Annual
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$200.00K	USD	Annual
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	Annual
Amortization of pension and OPEB costs included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$3.30M	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$3.30M	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-200.00K	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-200.00K	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$600.00K	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$600.00K	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-100.00K	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-100.00K	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.60M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.60M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-900.00K	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-900.00K	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.41B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.41B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.33B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.33B	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Preferred stock dividends of subsidiary	`PreferredStockDividendsIncomeStatementImpact`	$1.20M	USD	Annual
Comprehensive (income) loss attributed to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.20M	USD	Annual
Comprehensive (income) loss attributed to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.20M	USD	Annual
Comprehensive (income) loss attributed to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$400.00K	USD	Annual
Comprehensive (income) loss attributed to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$400.00K	USD	Annual
Comprehensive (income) loss attributed to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-4.10M	USD	Annual
Comprehensive (income) loss attributed to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-4.10M	USD	Annual
Comprehensive income attributed to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.53B	USD	Annual
Comprehensive income attributed to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.53B	USD	Annual
Comprehensive income attributed to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.40B	USD	Annual
Comprehensive income attributed to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.40B	USD	Annual
Comprehensive income attributed to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.33B	USD	Annual
Comprehensive income attributed to common shareholders	`ComprehensiveIncomeNetOfTax`	$1.33B	USD	Annual

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