10-K Filing

NISOURCE INC. CIK: 1111711 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0001111711-22-000007`
Period End Date	20211231
Filing Date	20220223
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	nix-20211231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 139 Income Statement 78 Cash Flow Statement 134 Stockholders Equity 36 Comprehensive Income 27

Balance Sheet 139 line items

Line Item	Tag	Value	Unit	Period
Plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$25.17B	USD	Point-in-time
Plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$24.18B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$7.56B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$7.29B	USD	Point-in-time
Net Property, Plant and Equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$17.88B	USD	Point-in-time
Net Property, Plant and Equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$16.62B	USD	Point-in-time
Unconsolidated affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$800.00K	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$163.90M	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$169.30M	USD	Point-in-time
Unconsolidated affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	-	USD	Point-in-time
Allowance for Credit Loss	`DebtSecuritiesAvailableForSaleAllowanceForCreditLoss`	$-500.00K	USD	Point-in-time
Available-for-sale debt securities (amortized cost of $169.3 and $163.9, allowance for credit losses of $0.2 and $0.5, respectively)	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$170.90M	USD	Point-in-time
Available-for-sale debt securities (amortized cost of $169.3 and $163.9, allowance for credit losses of $0.2 and $0.5, respectively)	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$171.80M	USD	Point-in-time
Allowance for Credit Loss	`DebtSecuritiesAvailableForSaleAllowanceForCreditLoss`	$-200.00K	USD	Point-in-time
Net Property, Plant and Equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$17.88B	USD	Point-in-time
Net Property, Plant and Equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$16.62B	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$87.10M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$81.10M	USD	Point-in-time
Total Investments and Other Assets	`InvestmentsAndOtherNoncurrentAssets`	$252.00M	USD	Point-in-time
Current assets	`AssetsCurrent`	$1.66B	USD	Point-in-time
Total Investments and Other Assets	`InvestmentsAndOtherNoncurrentAssets`	$259.70M	USD	Point-in-time
Current assets	`AssetsCurrent`	$1.92B	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`	$84.20M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	600.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	600.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$139.30M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$116.50M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$10.70M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$9.10M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$9.10M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	405.30M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	391.76M	shares	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$843.60M	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$849.10M	USD	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$23.50M	USD	Point-in-time
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$52.30M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$791.30M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$825.60M	USD	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	440,000.00	shares	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	1.30M	shares	Point-in-time
Gas inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$191.20M	USD	Point-in-time
Gas inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$327.40M	USD	Point-in-time
Current liabilities	`LiabilitiesCurrent`	$2.75B	USD	Point-in-time
Current liabilities	`LiabilitiesCurrent`	$2.28B	USD	Point-in-time
Materials and supplies, at average cost	`InventoryRawMaterialsAndSupplies`	$139.10M	USD	Point-in-time
Liabilities, Noncurrent	`LiabilitiesNoncurrent`	$4.95B	USD	Point-in-time
Materials and supplies, at average cost	`InventoryRawMaterialsAndSupplies`	$141.50M	USD	Point-in-time
Liabilities, Noncurrent	`LiabilitiesNoncurrent`	$4.70B	USD	Point-in-time
Electric production fuel, at average cost	`EnergyRelatedInventoryCoal`	$32.20M	USD	Point-in-time
Electric production fuel, at average cost	`EnergyRelatedInventoryCoal`	$68.40M	USD	Point-in-time
Exchange gas receivable	`ExchangeGasReceivable`	$34.10M	USD	Point-in-time
Exchange gas receivable	`ExchangeGasReceivable`	$99.60M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$135.70M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$206.20M	USD	Point-in-time
Deferred property taxes	`DeferredCostsCurrent`	$85.60M	USD	Point-in-time
Deferred property taxes	`DeferredCostsCurrent`	$91.00M	USD	Point-in-time
Prepayments and other	`OtherAssetsCurrent`	$86.00M	USD	Point-in-time
Prepayments and other	`OtherAssetsCurrent`	$104.80M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.66B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.92B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.79B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$2.29B	USD	Point-in-time
Goodwill	`Goodwill`	$1.49B	USD	Point-in-time
Goodwill	`Goodwill`	$1.49B	USD	Point-in-time
Deferred charges and other	`DeferredChargesAndOther`	$228.90M	USD	Point-in-time
Deferred charges and other	`DeferredChargesAndOther`	$322.70M	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$3.51B	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$4.09B	USD	Point-in-time
Total Assets	`Assets`	$22.66B	USD	Point-in-time
Total Assets	`Assets`	$24.16B	USD	Point-in-time
Total Assets	`Assets`	$22.04B	USD	Point-in-time
Common stock - $0.01 par value, 600,000,000 shares authorized; 405,303,023 and 391,760,051 shares outstanding, respectively	`CommonStockValue`	$4.10M	USD	Point-in-time
Common stock - $0.01 par value, 600,000,000 shares authorized; 405,303,023 and 391,760,051 shares outstanding, respectively	`CommonStockValue`	$3.90M	USD	Point-in-time
Preferred stock - $0.01 par value, 20,000,000 shares authorized; 1,302,500 and 440,000 shares outstanding, respectively	`PreferredStockValueOutstanding`	$880.00M	USD	Point-in-time
Preferred stock - $0.01 par value, 20,000,000 shares authorized; 1,302,500 and 440,000 shares outstanding, respectively	`PreferredStockValueOutstanding`	$1.55B	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$99.90M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$99.90M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$7.20B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$6.89B	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-1.58B	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-1.77B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-156.70M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-92.60M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-126.80M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-37.20M	USD	Point-in-time
Total NiSource Stockholders' Equity	`StockholdersEquity`	$5.75B	USD	Point-in-time
Total NiSource Stockholders' Equity	`StockholdersEquity`	$6.95B	USD	Point-in-time
Noncontrolling interest in consolidated subsidiaries	`MinorityInterest`	$325.60M	USD	Point-in-time
Noncontrolling interest in consolidated subsidiaries	`MinorityInterest`	$85.60M	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.99B	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.75B	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.27B	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.84B	USD	Point-in-time
Long-term debt, excluding amounts due within one year	`LongTermDebtAndCapitalLeaseObligations`	$9.18B	USD	Point-in-time
Long-term debt, excluding amounts due within one year	`LongTermDebtAndCapitalLeaseObligations`	$9.22B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$15.06B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$16.46B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$58.10M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$23.30M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$560.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$503.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$589.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$697.80M	USD	Point-in-time
Customer deposits and credits	`ContractWithCustomerLiabilityCurrent`	$243.30M	USD	Point-in-time
Customer deposits and credits	`ContractWithCustomerLiabilityCurrent`	$237.90M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$277.10M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$244.10M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$105.50M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$104.70M	USD	Point-in-time
Exchange gas payable	`ExchangeGasPayable`	$107.70M	USD	Point-in-time
Exchange gas payable	`ExchangeGasPayable`	$48.50M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$161.30M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$137.40M	USD	Point-in-time
Accrued compensation and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$141.80M	USD	Point-in-time
Accrued compensation and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$182.70M	USD	Point-in-time
Other accruals	`OtherLiabilitiesCurrent`	$220.40M	USD	Point-in-time
Other accruals	`OtherLiabilitiesCurrent`	$382.00M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$2.75B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$2.28B	USD	Point-in-time
Deferred Income Tax Liabilities, Net	`DeferredIncomeTaxLiabilitiesNet`	$1.66B	USD	Point-in-time
Deferred Income Tax Liabilities, Net	`DeferredIncomeTaxLiabilitiesNet`	$1.47B	USD	Point-in-time
Accrued liability for postretirement and postemployment benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$292.50M	USD	Point-in-time
Accrued liability for postretirement and postemployment benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$336.10M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.84B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.90B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$469.70M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$477.10M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$515.50M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$690.20M	USD	Point-in-time
Total Other Liabilities(1)	`LiabilitiesNoncurrent`	$4.95B	USD	Point-in-time
Total Other Liabilities(1)	`LiabilitiesNoncurrent`	$4.70B	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$22.04B	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$24.16B	USD	Point-in-time

Income Statement 78 line items

Line Item	Tag	Value	Unit	Period
Customer revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.73B	USD	Annual
Customer revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.47B	USD	Annual
Customer revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$5.05B	USD	Annual
Other revenues	`RegulatedOperatingRevenueOther`	$208.50M	USD	Annual
Other revenues	`RegulatedOperatingRevenueOther`	$168.30M	USD	Annual
Other revenues	`RegulatedOperatingRevenueOther`	$155.50M	USD	Annual
Total Operating Revenues	`RegulatedOperatingRevenue`	$4.68B	USD	Annual
Total Operating Revenues	`RegulatedOperatingRevenue`	$4.90B	USD	Annual
Total Operating Revenues	`RegulatedOperatingRevenue`	$5.21B	USD	Annual
Cost of energy	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.53B	USD	Annual
Cost of energy	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.11B	USD	Annual
Cost of energy	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$1.39B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.35B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.46B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.59B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$725.90M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$748.40M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$717.40M	USD	Annual
Impairment of goodwill and intangible assets	`GoodwillAndIntangibleAssetImpairment`	$414.50M	USD	Annual
Impairment of goodwill and intangible assets	`GoodwillAndIntangibleAssetImpairment`	-	USD	Annual
Impairment of goodwill and intangible assets	`GoodwillAndIntangibleAssetImpairment`	-	USD	Annual
Loss on sale of assets, net	`ImpairmentAndGainLossOnSaleOfAssetsNet`	$410.60M	USD	Annual
Loss on sale of assets, net	`ImpairmentAndGainLossOnSaleOfAssetsNet`	-	USD	Annual
Loss on sale of assets, net	`ImpairmentAndGainLossOnSaleOfAssetsNet`	$7.70M	USD	Annual
Other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$299.20M	USD	Annual
Other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$296.80M	USD	Annual
Other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$288.30M	USD	Annual
Total Operating Expenses	`OperatingCostsAndExpenses`	$4.13B	USD	Annual
Total Operating Expenses	`OperatingCostsAndExpenses`	$4.32B	USD	Annual
Total Operating Expenses	`OperatingCostsAndExpenses`	$3.89B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$550.80M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.01B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$890.70M	USD	Annual
Interest expense, net	`InterestExpense`	$370.70M	USD	Annual
Interest expense, net	`InterestExpense`	$341.10M	USD	Annual
Interest expense, net	`InterestExpense`	$378.90M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$40.80M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$32.10M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$-5.20M	USD	Annual
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	$-243.50M	USD	Annual
Total Other Deductions, Net	`NonoperatingIncomeExpense`	$-384.10M	USD	Annual
Total Other Deductions, Net	`NonoperatingIncomeExpense`	$-582.10M	USD	Annual
Total Other Deductions, Net	`NonoperatingIncomeExpense`	$-300.30M	USD	Annual
Income (Loss) before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$-31.30M	USD	Annual
Income (Loss) before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$706.60M	USD	Annual
Income (Loss) before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$506.60M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$-17.10M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$117.80M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$123.50M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$383.10M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-14.20M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$588.80M	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.40M	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.90M	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net Income (Loss) attributable to NiSource	`NetIncomeLoss`	$584.90M	USD	Annual
Net Income (Loss) attributable to NiSource	`NetIncomeLoss`	$383.10M	USD	Annual
Net Income (Loss) attributable to NiSource	`NetIncomeLoss`	$-17.60M	USD	Annual
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$55.10M	USD	Annual
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$55.10M	USD	Annual
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$55.10M	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$529.80M	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-72.70M	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$328.00M	USD	Annual
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$0.88	USD	Annual
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$-0.19	USD	Annual
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$1.35	USD	Annual
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$-0.19	USD	Annual
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$0.87	USD	Annual
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$1.27	USD	Annual
Average common shares outstanding - Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	393.60M	shares	Annual
Average common shares outstanding - Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	384.30M	shares	Annual
Average common shares outstanding - Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	374.60M	shares	Annual
Diluted Average Common Shares	`WeightedAverageNumberOfDilutedSharesOutstanding`	376.00M	shares	Annual
Diluted Average Common Shares	`WeightedAverageNumberOfDilutedSharesOutstanding`	417.30M	shares	Annual
Diluted Average Common Shares	`WeightedAverageNumberOfDilutedSharesOutstanding`	384.30M	shares	Annual

Cash Flow Statement 134 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`ProfitLoss`	$383.10M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-14.20M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$588.80M	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on early extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-243.50M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$725.90M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$748.40M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$717.40M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$111.90M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$-29.00M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$118.20M	USD	Annual
Stock compensation expense and 401(k) profit sharing contribution	`ShareBasedCompensation`	$24.30M	USD	Annual
Stock compensation expense and 401(k) profit sharing contribution	`ShareBasedCompensation`	$25.90M	USD	Annual
Stock compensation expense and 401(k) profit sharing contribution	`ShareBasedCompensation`	$17.40M	USD	Annual
Impairment of goodwill and intangible assets	`AssetImpairmentCharges`	-	USD	Annual
Impairment of goodwill and intangible assets	`AssetImpairmentCharges`	$414.50M	USD	Annual
Impairment of goodwill and intangible assets	`AssetImpairmentCharges`	-	USD	Annual
Loss (gain) on sale of assets	`GainLossOnDispositionOfAssets1`	$-5.60M	USD	Annual
Loss (gain) on sale of assets	`GainLossOnDispositionOfAssets1`	$-409.80M	USD	Annual
Loss (gain) on sale of assets	`GainLossOnDispositionOfAssets1`	$600.00K	USD	Annual
Other adjustments	`OtherOperatingActivitiesCashFlowStatement`	$-100.00K	USD	Annual
Other adjustments	`OtherOperatingActivitiesCashFlowStatement`	$-700.00K	USD	Annual
Other adjustments	`OtherOperatingActivitiesCashFlowStatement`	$-300.00K	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-187.80M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$3.90M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$40.30M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$112.90M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$2.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$1.50M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-299.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$54.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-29.70M	USD	Annual
Exchange gas receivable/payable	`IncreaseDecreaseInExchangeGasReceivablePayable`	$-55.50M	USD	Annual
Exchange gas receivable/payable	`IncreaseDecreaseInExchangeGasReceivablePayable`	$114.20M	USD	Annual
Exchange gas receivable/payable	`IncreaseDecreaseInExchangeGasReceivablePayable`	$6.90M	USD	Annual
Other accruals	`IncreaseDecreaseInOtherAccruals`	$-43.00M	USD	Annual
Other accruals	`IncreaseDecreaseInOtherAccruals`	$-138.30M	USD	Annual
Other accruals	`IncreaseDecreaseInOtherAccruals`	$175.10M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets`	$-36.60M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets`	$-5.90M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets`	$-33.60M	USD	Annual
Regulatory assets/liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$85.60M	USD	Annual
Regulatory assets/liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-76.80M	USD	Annual
Regulatory assets/liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-70.80M	USD	Annual
Postretirement and postemployment benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-103.60M	USD	Annual
Postretirement and postemployment benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-21.10M	USD	Annual
Postretirement and postemployment benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-96.40M	USD	Annual
Deferred charges and other noncurrent assets	`IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets`	$-4.70M	USD	Annual
Deferred charges and other noncurrent assets	`IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets`	$-76.10M	USD	Annual
Deferred charges and other noncurrent assets	`IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets`	$-15.00M	USD	Annual
Other noncurrent liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$21.70M	USD	Annual
Other noncurrent liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$61.60M	USD	Annual
Other noncurrent liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-30.00M	USD	Annual
Net Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.10B	USD	Annual
Net Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.58B	USD	Annual
Net Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.22B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.80B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.76B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.84B	USD	Annual
Cost of removal	`PaymentsForRemovalCosts`	$113.20M	USD	Annual
Cost of removal	`PaymentsForRemovalCosts`	$138.20M	USD	Annual
Cost of removal	`PaymentsForRemovalCosts`	$121.10M	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$700.00K	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$1.12B	USD	Annual
Proceeds from disposition of assets	`ProceedsFromSaleOfProductiveAssets`	$400.00K	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$102.90M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$140.40M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$144.70M	USD	Annual
Sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$97.80M	USD	Annual
Sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$131.40M	USD	Annual
Sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$132.10M	USD	Annual
Payment to renewable generation asset developer	`PaymentToRenewableGenerationAssetDeveloper`	-	USD	Annual
Payment to renewable generation asset developer	`PaymentToRenewableGenerationAssetDeveloper`	$85.30M	USD	Annual
Payment to renewable generation asset developer	`PaymentToRenewableGenerationAssetDeveloper`	$240.40M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$1.00M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.10M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$100.00K	USD	Annual
Net Cash Flows used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-879.10M	USD	Annual
Net Cash Flows used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.20B	USD	Annual
Net Cash Flows used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.92B	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$750.00M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.97B	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Repayments of long-term debt and finance lease obligations	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$1.62B	USD	Annual
Repayments of long-term debt and finance lease obligations	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$25.70M	USD	Annual
Repayments of long-term debt and finance lease obligations	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$51.60M	USD	Annual
Issuance of short-term debt (maturity > 90 days)	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	$600.00M	USD	Annual
Issuance of short-term debt (maturity > 90 days)	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	$1.35B	USD	Annual
Issuance of short-term debt (maturity > 90 days)	`ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths`	-	USD	Annual
Repayment of short-term debt (maturity > 90 days)	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	-	USD	Annual
Repayment of short-term debt (maturity > 90 days)	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$700.00M	USD	Annual
Repayment of short-term debt (maturity > 90 days)	`RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$2.20B	USD	Annual
Change in short-term borrowings, net (maturity = 90 days)	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-420.10M	USD	Annual
Change in short-term borrowings, net (maturity = 90 days)	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$-104.00M	USD	Annual
Change in short-term borrowings, net (maturity = 90 days)	`ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess`	$57.00M	USD	Annual
Issuance of common stock, net of issuance costs	`ProceedsFromIssuanceOfCommonStock`	$244.40M	USD	Annual
Issuance of common stock, net of issuance costs	`ProceedsFromIssuanceOfCommonStock`	$211.40M	USD	Annual
Issuance of common stock, net of issuance costs	`ProceedsFromIssuanceOfCommonStock`	$299.60M	USD	Annual
Equity costs, premiums and other debt related costs	`PaymentOfFinancingAndStockIssuanceCosts`	$17.80M	USD	Annual
Equity costs, premiums and other debt related costs	`PaymentOfFinancingAndStockIssuanceCosts`	$18.20M	USD	Annual
Equity costs, premiums and other debt related costs	`PaymentOfFinancingAndStockIssuanceCosts`	$246.50M	USD	Annual
Contributions from noncontrolling interest	`ProceedsFromMinorityShareholders`	$245.10M	USD	Annual
Contributions from noncontrolling interest	`ProceedsFromMinorityShareholders`	$82.20M	USD	Annual
Contributions from noncontrolling interest	`ProceedsFromMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interest	`PaymentsToMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interest	`PaymentsToMinorityShareholders`	$600.00K	USD	Annual
Distributions to noncontrolling interest	`PaymentsToMinorityShareholders`	-	USD	Annual
Issuance of equity units, net of underwriting costs	`ProceedsFromOtherEquity`	-	USD	Annual
Issuance of equity units, net of underwriting costs	`ProceedsFromOtherEquity`	$839.90M	USD	Annual
Issuance of equity units, net of underwriting costs	`ProceedsFromOtherEquity`	-	USD	Annual
Dividends paid - common stock	`PaymentsOfDividendsCommonStock`	$345.20M	USD	Annual
Dividends paid - common stock	`PaymentsOfDividendsCommonStock`	$298.50M	USD	Annual
Dividends paid - common stock	`PaymentsOfDividendsCommonStock`	$321.60M	USD	Annual
Dividends paid - preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$55.10M	USD	Annual
Dividends paid - preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$56.10M	USD	Annual
Dividends paid - preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$55.10M	USD	Annual
Contract liability payment	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Contract liability payment	`ProceedsFromPaymentsForOtherFinancingActivities`	$-40.50M	USD	Annual
Contract liability payment	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Net Cash Flows from Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$956.30M	USD	Annual
Net Cash Flows from Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$366.40M	USD	Annual
Net Cash Flows from Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-247.70M	USD	Annual
Change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$27.30M	USD	Annual
Change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-22.80M	USD	Annual
Change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-30.70M	USD	Annual
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$148.40M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$121.10M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$125.60M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$94.90M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$148.40M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$121.10M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$125.60M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$94.90M	USD	Point-in-time

Stockholders Equity 36 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.99B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.75B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.27B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.84B	USD	Point-in-time
Net Income (Loss)	`ProfitLoss`	$383.10M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-14.20M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$588.80M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$29.90M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-55.40M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-64.10M	USD	Annual
Common stock	`DividendsCommonStockCash`	$298.50M	USD	Annual
Common stock	`DividendsCommonStockCash`	$321.70M	USD	Annual
Common stock	`DividendsCommonStockCash`	$345.50M	USD	Annual
Preferred stock	`DividendsPreferredStockCash`	$55.10M	USD	Annual
Preferred stock	`DividendsPreferredStockCash`	$56.10M	USD	Annual
Preferred stock	`DividendsPreferredStockCash`	$55.10M	USD	Annual
Contribution from noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$236.70M	USD	Annual
Contribution from noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$82.20M	USD	Annual
Distributions to Noncontrolling Interest Holders	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$600.00K	USD	Annual
Equity Units	`StockIssuedDuringThePeriodEquityUnitsValue`	$666.50M	USD	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.00M	USD	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.60M	USD	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.70M	USD	Annual
Long-term incentive plan	`StockIssuedDuringPeriodValueShareBasedCompensation`	$8.40M	USD	Annual
Long-term incentive plan	`StockIssuedDuringPeriodValueShareBasedCompensation`	$11.80M	USD	Annual
Long-term incentive plan	`StockIssuedDuringPeriodValueShareBasedCompensation`	$10.40M	USD	Annual
401(k) and profit sharing	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$17.60M	USD	Annual
401(k) and profit sharing	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$13.40M	USD	Annual
401(k) and profit sharing	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$9.50M	USD	Annual
ATM Program	`StockIssuedDuringPeriodValueOther`	$229.10M	USD	Annual
ATM Program	`StockIssuedDuringPeriodValueOther`	$196.50M	USD	Annual
ATM Program	`StockIssuedDuringPeriodValueOther`	$288.10M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.99B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.75B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.27B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.84B	USD	Point-in-time

Comprehensive Income 27 line items

Line Item	Tag	Value	Unit	Period
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-1.00M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$383.10M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-14.20M	USD	Annual
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$700.00K	USD	Annual
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$1.50M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$588.80M	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent`	$8.40M	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent`	$-21.20M	USD	Annual
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent`	$-23.40M	USD	Annual
Net unrealized gain (loss) on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$5.70M	USD	Annual
Net unrealized gain (loss) on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-3.90M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-3.80M	USD	Annual
Net unrealized gain (loss) on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$2.70M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$100.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-1.60M	USD	Annual
Net unrealized gain (loss) on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$25.40M	USD	Annual
Net unrealized gain (loss) on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$-64.20M	USD	Annual
Net unrealized gain (loss) on cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$-70.70M	USD	Annual
Unrecognized pension and OPEB benefit (costs)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.90M	USD	Annual
Unrecognized pension and OPEB benefit (costs)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.10M	USD	Annual
Unrecognized pension and OPEB benefit (costs)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-8.40M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$29.90M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-55.40M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-64.10M	USD	Annual
Total Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$618.70M	USD	Annual
Total Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-78.30M	USD	Annual
Total Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$327.70M	USD	Annual

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