10-K Filing

NISOURCE INC. CIK: 1111711 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001111711-19-000008`
Period End Date	20181231
Filing Date	20190220
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	nix-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 133 Income Statement 120 Cash Flow Statement 136 Stockholders Equity 68 Comprehensive Income 35

Balance Sheet 133 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable less reserve	`AllowanceForDoubtfulAccountsReceivableCurrent`	$21.10M	USD	Point-in-time
Utility Plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$22.78B	USD	Point-in-time
Utility Plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$21.03B	USD	Point-in-time
Accounts receivable less reserve	`AllowanceForDoubtfulAccountsReceivableCurrent`	$18.30M	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$7.26B	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$6.95B	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceNet`	$15.52B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceNet`	$14.07B	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	400.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	400.00M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	372.36M	shares	Point-in-time
Other property, at cost, less accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyAtCostLessAccumulatedDepreciation`	$286.50M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	337.02M	shares	Point-in-time
Other property, at cost, less accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyAtCostLessAccumulatedDepreciation`	$19.60M	USD	Point-in-time
Net Property, Plant and Equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$15.54B	USD	Point-in-time
Net Property, Plant and Equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$14.36B	USD	Point-in-time
Preferred Stock, Par or Stated Value Per Share	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred Stock, Shares Authorized	`PreferredStockSharesAuthorized`	20.00M	shares	Point-in-time
Unconsolidated affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$5.50M	USD	Point-in-time
Unconsolidated affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.10M	USD	Point-in-time
Preferred Stock, Shares Outstanding	`PreferredStockSharesOutstanding`	420,000.00	shares	Point-in-time
Other investments	`OtherLongTermInvestments`	$204.00M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$204.10M	USD	Point-in-time
Total Investments and Other Assets	`InvestmentsAndOtherNoncurrentAssets`	$206.10M	USD	Point-in-time
Total Investments and Other Assets	`InvestmentsAndOtherNoncurrentAssets`	$209.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$112.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$29.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$8.30M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$9.40M	USD	Point-in-time
Accounts receivable (less reserve of $21.1 and $18.3, respectively)	`AccountsReceivableNetCurrent`	$898.90M	USD	Point-in-time
Accounts receivable (less reserve of $21.1 and $18.3, respectively)	`AccountsReceivableNetCurrent`	$1.06B	USD	Point-in-time
Gas inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$286.80M	USD	Point-in-time
Gas inventory	`EnergyRelatedInventoryNaturalGasInStorage`	$285.10M	USD	Point-in-time
Materials and supplies, at average cost	`InventoryRawMaterialsAndSupplies`	$101.00M	USD	Point-in-time
Materials and supplies, at average cost	`InventoryRawMaterialsAndSupplies`	$105.90M	USD	Point-in-time
Electric production fuel, at average cost	`EnergyRelatedInventoryCoal`	$80.10M	USD	Point-in-time
Electric production fuel, at average cost	`EnergyRelatedInventoryCoal`	$34.70M	USD	Point-in-time
Exchange gas receivable	`ExchangeGasReceivable`	$88.40M	USD	Point-in-time
Exchange gas receivable	`ExchangeGasReceivable`	$45.80M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$176.30M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$235.40M	USD	Point-in-time
Prepayments and other	`OtherAssetsCurrent`	$129.50M	USD	Point-in-time
Prepayments and other	`OtherAssetsCurrent`	$132.80M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.06B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.76B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.62B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$2.00B	USD	Point-in-time
Goodwill	`Goodwill`	$1.69B	USD	Point-in-time
Goodwill	`Goodwill`	$1.69B	USD	Point-in-time
Intangible assets	`FiniteLivedIntangibleAssetsNet`	$220.70M	USD	Point-in-time
Intangible assets	`FiniteLivedIntangibleAssetsNet`	$231.70M	USD	Point-in-time
Deferred charges and other	`DeferredChargesAndOther`	$82.00M	USD	Point-in-time
Deferred charges and other	`DeferredChargesAndOther`	$86.50M	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$4.00B	USD	Point-in-time
Total Other Assets	`OtherAssetsNoncurrent`	$3.63B	USD	Point-in-time
Total Assets	`Assets`	$18.69B	USD	Point-in-time
Total Assets	`Assets`	$19.96B	USD	Point-in-time
Total Assets	`Assets`	$21.80B	USD	Point-in-time
Common stock - $0.01 par value, 400,000,000 shares authorized; 372,363,656 and 337,015,806 shares outstanding, respectively	`CommonStockValue`	$3.40M	USD	Point-in-time
Common stock - $0.01 par value, 400,000,000 shares authorized; 372,363,656 and 337,015,806 shares outstanding, respectively	`CommonStockValue`	$3.80M	USD	Point-in-time
Preferred stock - $0.01 par value, 20,000,000 shares authorized; 420,000 shares outstanding	`PreferredStockValueOutstanding`	$880.00M	USD	Point-in-time
Preferred stock - $0.01 par value, 20,000,000 shares authorized; 420,000 shares outstanding	`PreferredStockValueOutstanding`	-	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$99.90M	USD	Point-in-time
Treasury stock	`TreasuryStockValue`	$95.90M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$5.53B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$6.40B	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-1.40B	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-1.07B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-25.10M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-37.20M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-35.10M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-43.40M	USD	Point-in-time
Total Common Stockholders' Equity	`StockholdersEquity`	$4.07B	USD	Point-in-time
Total Common Stockholders' Equity	`StockholdersEquity`	$5.75B	USD	Point-in-time
Total Common Stockholders' Equity	`StockholdersEquity`	$4.32B	USD	Point-in-time
Total Common Stockholders' Equity	`StockholdersEquity`	$3.84B	USD	Point-in-time
Long-term debt, excluding amounts due within one year	`LongTermDebtAndCapitalLeaseObligations`	$7.11B	USD	Point-in-time
Long-term debt, excluding amounts due within one year	`LongTermDebtAndCapitalLeaseObligations`	$7.51B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$12.86B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$11.83B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$50.00M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$284.30M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.21B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$1.98B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$625.60M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$883.80M	USD	Point-in-time
Customer deposits and credits	`CustomerDepositsCurrent`	$262.60M	USD	Point-in-time
Customer deposits and credits	`CustomerDepositsCurrent`	$238.90M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$208.10M	USD	Point-in-time
Taxes accrued	`TaxesPayableCurrent`	$222.70M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$112.30M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$90.70M	USD	Point-in-time
Risk management liabilities	`DerivativeInstrumentsAndHedgesLiabilities`	$5.00M	USD	Point-in-time
Risk management liabilities	`DerivativeInstrumentsAndHedgesLiabilities`	$43.20M	USD	Point-in-time
Exchange gas payable	`ExchangeGasPayable`	$85.50M	USD	Point-in-time
Exchange gas payable	`ExchangeGasPayable`	$59.60M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$140.90M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$58.70M	USD	Point-in-time
Legal and environmental	`LegalAndEnvironmentalReserves`	$18.90M	USD	Point-in-time
Legal and environmental	`LegalAndEnvironmentalReserves`	$32.10M	USD	Point-in-time
Accrued compensation and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$195.40M	USD	Point-in-time
Accrued compensation and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$149.70M	USD	Point-in-time
Claims accrued	`AccruedInsuranceClaimsCurrent`	$12.50M	USD	Point-in-time
Claims accrued	`AccruedInsuranceClaimsCurrent`	$114.70M	USD	Point-in-time
Other accruals	`OtherLiabilitiesCurrent`	$78.30M	USD	Point-in-time
Other accruals	`OtherLiabilitiesCurrent`	$58.80M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$4.04B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$3.18B	USD	Point-in-time
Risk management liabilities	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	$46.70M	USD	Point-in-time
Risk management liabilities	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	$28.50M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.33B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.29B	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$12.40M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$11.20M	USD	Point-in-time
Accrued insurance liabilities	`AccruedInsuranceNoncurrent`	$84.40M	USD	Point-in-time
Accrued insurance liabilities	`AccruedInsuranceNoncurrent`	$80.10M	USD	Point-in-time
Accrued liability for postretirement and postemployment benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$389.10M	USD	Point-in-time
Accrued liability for postretirement and postemployment benefits	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$337.10M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$2.52B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$2.74B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$268.70M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$262.60M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$352.00M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$177.90M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$194.40M	USD	Point-in-time
Total Other Liabilities	`LiabilitiesNoncurrent`	$4.91B	USD	Point-in-time
Total Other Liabilities	`LiabilitiesNoncurrent`	$4.95B	USD	Point-in-time
Commitments and Contingencies (Refer to Note 18, Other Commitments and Contingencies)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Refer to Note 18, Other Commitments and Contingencies)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$19.96B	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$21.80B	USD	Point-in-time

Income Statement 120 line items

Line Item	Tag	Value	Unit	Period
Customer revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.99B	USD	Annual
Customer revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.39B	USD	Annual
Customer revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.73B	USD	Annual
Other revenues	`RegulatedOperatingRevenueOther`	$100.00M	USD	Annual
Other revenues	`RegulatedOperatingRevenueOther`	$123.40M	USD	Annual
Other revenues	`RegulatedOperatingRevenueOther`	$144.40M	USD	Annual
Total Operating Revenues	`GrossProfit`	$1.37B	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$4.49B	USD	Annual
Total Operating Revenues	`GrossProfit`	$917.00M	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$1.46B	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$895.00M	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$4.87B	USD	Annual
Total Operating Revenues	`GrossProfit`	$1.60B	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$5.11B	USD	Annual
Total Operating Revenues	`GrossProfit`	$990.70M	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$1.01B	USD	1 Quarter
Total Operating Revenues	`GrossProfit`	$1.75B	USD	1 Quarter
Cost of Sales (excluding depreciation and amortization)	`CostOfRevenue`	$1.52B	USD	Annual
Cost of Sales (excluding depreciation and amortization)	`CostOfRevenue`	$1.39B	USD	Annual
Cost of Sales (excluding depreciation and amortization)	`CostOfRevenue`	$1.76B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.60B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$2.35B	USD	Annual
Operation and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.45B	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$547.10M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$599.60M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$570.30M	USD	Annual
Loss (Gain) on sale of assets and impairments, net	`ImpairmentAndGainLossOnSaleOfAssetsNet`	$-1.00M	USD	Annual
Loss (Gain) on sale of assets and impairments, net	`ImpairmentAndGainLossOnSaleOfAssetsNet`	$5.50M	USD	Annual
Loss (Gain) on sale of assets and impairments, net	`ImpairmentAndGainLossOnSaleOfAssetsNet`	$1.20M	USD	Annual
Other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$244.30M	USD	Annual
Other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$257.20M	USD	Annual
Other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$274.80M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$3.95B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$4.99B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$3.63B	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$415.40M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$118.40M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$400.60M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$921.20M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$124.70M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$270.60M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$-315.90M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$866.10M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$124.00M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$-78.40M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$111.20M	USD	1 Quarter
Interest expense, net	`InterestExpense`	$353.20M	USD	Annual
Interest expense, net	`InterestExpense`	$353.30M	USD	Annual
Interest expense, net	`InterestExpense`	$349.50M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$43.50M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$-13.50M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$-3.00M	USD	Annual
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	$-111.50M	USD	Annual
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	$111.50M	USD	1 Quarter
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	$33.00M	USD	1 Quarter
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	$12.50M	USD	2 Qtrs
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	$-45.50M	USD	Annual
Loss on early extinguishment of long-term debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Total Other Deductions, Net	`NonoperatingIncomeExpense`	$-355.30M	USD	Annual
Total Other Deductions, Net	`NonoperatingIncomeExpense`	$-352.50M	USD	Annual
Total Other Deductions, Net	`NonoperatingIncomeExpense`	$-478.20M	USD	Annual
Income (Loss) before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$-230.60M	USD	Annual
Income (Loss) before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$513.60M	USD	Annual
Income (Loss) before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$443.00M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$314.50M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$182.10M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$-180.00M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-339.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-44.40M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$331.50M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$24.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$128.50M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$276.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$211.30M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-50.60M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$14.00M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-11.70M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-52.40M	USD	1 Quarter
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$5.60M	USD	1 Quarter
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	-	USD	Annual
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	-	USD	1 Quarter
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$15.00M	USD	Annual
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$1.30M	USD	1 Quarter
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	$8.10M	USD	1 Quarter
Preferred dividends	`PreferredStockDividendsIncomeStatementImpact`	-	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$23.20M	USD	1 Quarter
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$276.10M	USD	1 Quarter
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$331.50M	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-65.60M	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-345.10M	USD	1 Quarter
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$128.50M	USD	Annual
Net Income (Loss) Available to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-19.80M	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$0.65	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$-0.16	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$-0.18	USD	Annual
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$0.39	USD	Annual
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$0.82	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$-0.14	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$0.04	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$-0.05	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$-0.95	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$0.07	USD	1 Quarter
Basic Earnings (Loss) Per Share	`EarningsPerShareBasic`	$1.03	USD	Annual
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$-0.05	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$0.81	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$0.07	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$0.39	USD	Annual
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$-0.16	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$-0.14	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$-0.95	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$-0.18	USD	Annual
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$0.65	USD	1 Quarter
Diluted Earnings (Loss) Per Share	`EarningsPerShareDiluted`	$1.02	USD	Annual
Basic Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	321.81M	shares	Annual
Basic Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	329.39M	shares	Annual
Basic Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	356.49M	shares	Annual
Diluted Average Common Shares	`WeightedAverageNumberOfDilutedSharesOutstanding`	356.49M	shares	Annual
Diluted Average Common Shares	`WeightedAverageNumberOfDilutedSharesOutstanding`	330.76M	shares	Annual
Diluted Average Common Shares	`WeightedAverageNumberOfDilutedSharesOutstanding`	323.52M	shares	Annual

Cash Flow Statement 136 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`ProfitLoss`	$-339.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-44.40M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$331.50M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$24.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$128.50M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$276.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$211.30M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-50.60M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$14.00M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-11.70M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-52.40M	USD	1 Quarter
Loss on early extinguishment of debt	`PaymentsOfDebtExtinguishmentCosts`	$111.50M	USD	Annual
Loss on early extinguishment of debt	`PaymentsOfDebtExtinguishmentCosts`	-	USD	Annual
Loss on early extinguishment of debt	`PaymentsOfDebtExtinguishmentCosts`	$45.50M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$547.10M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$599.60M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$570.30M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$182.30M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$306.70M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$-188.20M	USD	Annual
Stock compensation expense and 401(k) profit sharing contribution	`ShareBasedCompensation`	$40.10M	USD	Annual
Stock compensation expense and 401(k) profit sharing contribution	`ShareBasedCompensation`	$46.50M	USD	Annual
Stock compensation expense and 401(k) profit sharing contribution	`ShareBasedCompensation`	$28.60M	USD	Annual
Amortization of discount/premium on debt	`AmortizationOfDebtDiscountPremium`	$7.40M	USD	Annual
Amortization of discount/premium on debt	`AmortizationOfDebtDiscountPremium`	$7.50M	USD	Annual
Amortization of discount/premium on debt	`AmortizationOfDebtDiscountPremium`	$7.60M	USD	Annual
AFUDC equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$14.20M	USD	Annual
AFUDC equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$11.60M	USD	Annual
AFUDC equity	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$12.60M	USD	Annual
Other adjustments	`OtherOperatingActivitiesCashFlowStatement`	$6.60M	USD	Annual
Other adjustments	`OtherOperatingActivitiesCashFlowStatement`	$-7.20M	USD	Annual
Other adjustments	`OtherOperatingActivitiesCashFlowStatement`	$1.70M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$188.00M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$52.30M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$186.20M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-38.90M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-19.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-41.40M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$49.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$268.40M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$108.80M	USD	Annual
Customer deposits and credits	`IncreaseDecreaseInCustomerDeposits`	$-25.40M	USD	Annual
Customer deposits and credits	`IncreaseDecreaseInCustomerDeposits`	$-2.50M	USD	Annual
Customer deposits and credits	`IncreaseDecreaseInCustomerDeposits`	$-52.30M	USD	Annual
Taxes accrued	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$12.10M	USD	Annual
Taxes accrued	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$10.20M	USD	Annual
Taxes accrued	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$20.20M	USD	Annual
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$-33.90M	USD	Annual
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$-8.70M	USD	Annual
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$-21.70M	USD	Annual
Exchange gas receivable/payable	`IncreaseDecreaseInExchangeGasReceivablePayable`	$-36.90M	USD	Annual
Exchange gas receivable/payable	`IncreaseDecreaseInExchangeGasReceivablePayable`	$21.50M	USD	Annual
Exchange gas receivable/payable	`IncreaseDecreaseInExchangeGasReceivablePayable`	$64.50M	USD	Annual
Other accruals	`IncreaseDecreaseInOtherAccruals`	$6.00M	USD	Annual
Other accruals	`IncreaseDecreaseInOtherAccruals`	$-31.80M	USD	Annual
Other accruals	`IncreaseDecreaseInOtherAccruals`	$-43.50M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets`	$-400.00K	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets`	$-13.30M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaymentsAndOtherCurrentAssets`	$-14.50M	USD	Annual
Regulatory assets/liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-57.50M	USD	Annual
Regulatory assets/liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$53.20M	USD	Annual
Regulatory assets/liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$187.90M	USD	Annual
Postretirement and postemployment benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-44.80M	USD	Annual
Postretirement and postemployment benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$-380.90M	USD	Annual
Postretirement and postemployment benefits	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$58.20M	USD	Annual
Deferred charges and other noncurrent assets	`IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets`	$-2.00M	USD	Annual
Deferred charges and other noncurrent assets	`IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets`	$3.80M	USD	Annual
Deferred charges and other noncurrent assets	`IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets`	$-1.20M	USD	Annual
Other noncurrent liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-300.00K	USD	Annual
Other noncurrent liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-34.40M	USD	Annual
Other noncurrent liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-2.80M	USD	Annual
Net Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$742.20M	USD	Annual
Net Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$803.30M	USD	Annual
Net Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$540.10M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.82B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.70B	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.48B	USD	Annual
Cost of removal	`PaymentsForRemovalCosts`	$109.00M	USD	Annual
Cost of removal	`PaymentsForRemovalCosts`	$104.30M	USD	Annual
Cost of removal	`PaymentsForRemovalCosts`	$110.10M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$38.30M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$168.40M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$90.00M	USD	Annual
Sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$82.30M	USD	Annual
Sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$163.10M	USD	Annual
Sales of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$33.00M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$12.40M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.10M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.60M	USD	Annual
Net Cash Flows used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.81B	USD	Annual
Net Cash Flows used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.60B	USD	Annual
Net Cash Flows used for Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.93B	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$500.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$350.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$3.25B	USD	Annual
Repayments of long-term debt and capital lease obligations	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$1.85B	USD	Annual
Repayments of long-term debt and capital lease obligations	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$434.60M	USD	Annual
Repayments of long-term debt and capital lease obligations	`RepaymentsOfLongTermDebtAndCapitalSecurities`	$1.05B	USD	Annual
Premiums and other debt related costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-46.00M	USD	Annual
Premiums and other debt related costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-144.30M	USD	Annual
Premiums and other debt related costs	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.70M	USD	Annual
Issuance of short-term debt (maturity 90 days)	`ProceedsFromShortTermDebt`	$950.00M	USD	Annual
Issuance of short-term debt (maturity 90 days)	`ProceedsFromShortTermDebt`	-	USD	Annual
Issuance of short-term debt (maturity 90 days)	`ProceedsFromShortTermDebt`	-	USD	Annual
Change in short-term borrowings, net (maturity = 90 days)	`ProceedsFromRepaymentsOfShortTermDebt`	$920.60M	USD	Annual
Change in short-term borrowings, net (maturity = 90 days)	`ProceedsFromRepaymentsOfShortTermDebt`	$-178.50M	USD	Annual
Change in short-term borrowings, net (maturity = 90 days)	`ProceedsFromRepaymentsOfShortTermDebt`	$-282.40M	USD	Annual
Issuance of common stock, net of issuance costs	`ProceedsFromIssuanceOfCommonStock`	$848.20M	USD	Annual
Issuance of common stock, net of issuance costs	`ProceedsFromIssuanceOfCommonStock`	$23.10M	USD	Annual
Issuance of common stock, net of issuance costs	`ProceedsFromIssuanceOfCommonStock`	$336.70M	USD	Annual
Issuance of preferred stock, net of issuance costs	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$880.00M	USD	Annual
Issuance of preferred stock, net of issuance costs	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Issuance of preferred stock, net of issuance costs	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$9.40M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$7.20M	USD	Annual
Acquisition of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$4.00M	USD	Annual
Dividends paid - common stock	`PaymentsOfDividendsCommonStock`	$205.50M	USD	Annual
Dividends paid - common stock	`PaymentsOfDividendsCommonStock`	$229.10M	USD	Annual
Dividends paid - common stock	`PaymentsOfDividendsCommonStock`	$273.30M	USD	Annual
Dividends paid - preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$11.60M	USD	Annual
Dividends paid - preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	-	USD	Annual
Dividends paid - preferred stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	-	USD	Annual
Net Cash Flows from Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.07B	USD	Annual
Net Cash Flows from Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.47B	USD	Annual
Net Cash Flows from Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$790.50M	USD	Annual
Change in cash, cash equivalents and restricted cash	`NetCashProvidedByUsedInContinuingOperations`	$82.70M	USD	Annual
Change in cash, cash equivalents and restricted cash	`NetCashProvidedByUsedInContinuingOperations`	$2.40M	USD	Annual
Change in cash, cash equivalents and restricted cash	`NetCashProvidedByUsedInContinuingOperations`	$-9.20M	USD	Annual
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`	$36.00M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$45.20M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$38.40M	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`	$36.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$45.20M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$38.40M	USD	Point-in-time

Stockholders Equity 68 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.78	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.64	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.70	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	-	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	$28.88	USD	Annual
Preferred Stock, Dividends Per Share, Declared	`PreferredStockDividendsPerShareDeclared`	-	USD	Annual
Beginning Balance	`SharesIssued`	323.16M	shares	Point-in-time
Beginning Balance	`SharesIssued`	372.36M	shares	Point-in-time
Beginning Balance	`SharesIssued`	337.02M	shares	Point-in-time
Beginning Balance	`SharesIssued`	319.11M	shares	Point-in-time
Treasury stock acquired	`TreasuryStockSharesAcquired`	293,000.00	shares	Annual
Treasury stock acquired	`TreasuryStockSharesAcquired`	166,000.00	shares	Annual
Treasury stock acquired	`TreasuryStockSharesAcquired`	433,000.00	shares	Annual
Common stock - private placement	`StockIssuedDuringPeriodSharesNewIssues`	24.96M	shares	Annual
Beginning Balance	`StockholdersEquity`	$4.07B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$5.75B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$4.32B	USD	Point-in-time
Employee stock purchase plan	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	223,000.00	shares	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	201,000.00	shares	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans`	207,000.00	shares	Annual
Beginning Balance	`StockholdersEquity`	$3.84B	USD	Point-in-time
Long-term incentive plan	`StockIssuedDuringPeriodSharesShareBasedCompensation`	351,000.00	shares	Annual
Long-term incentive plan	`StockIssuedDuringPeriodSharesShareBasedCompensation`	561,000.00	shares	Annual
Long-term incentive plan	`StockIssuedDuringPeriodSharesShareBasedCompensation`	2.10M	shares	Annual
Net Loss	`NetIncomeLoss`	$331.50M	USD	Annual
401(k) and profit sharing plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	882,000.00	shares	Annual
401(k) and profit sharing plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	1.40M	shares	Annual
401(k) and profit sharing plan	`StockIssuedDuringPeriodSharesEmployeeBenefitPlan`	1.79M	shares	Annual
Net Loss	`NetIncomeLoss`	$-50.60M	USD	Annual
Net Loss	`NetIncomeLoss`	$128.50M	USD	Annual
Dividend reinvestment plan	`StockIssuedDuringPeriodSharesDividendReinvestmentPlan`	264,000.00	shares	Annual
Dividend reinvestment plan	`StockIssuedDuringPeriodSharesDividendReinvestmentPlan`	386,000.00	shares	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-18.30M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$10.00M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$15.70M	USD	Annual
ATM Program	`StockIssuedDuringPeriodSharesOther`	8.88M	shares	Annual
ATM Program	`StockIssuedDuringPeriodSharesOther`	11.93M	shares	Annual
Ending Balance	`SharesIssued`	323.16M	shares	Point-in-time
Ending Balance	`SharesIssued`	372.36M	shares	Point-in-time
Ending Balance	`SharesIssued`	337.02M	shares	Point-in-time
Ending Balance	`SharesIssued`	319.11M	shares	Point-in-time
Common stock	`DividendsCommonStockCash`	$273.50M	USD	Annual
Common stock	`DividendsCommonStockCash`	$205.70M	USD	Annual
Common stock	`DividendsCommonStockCash`	$229.40M	USD	Annual
Preferred stock	`DividendsPreferredStockCash`	$11.60M	USD	Annual
Treasury stock acquired	`TreasuryStockValueAcquiredCostMethod`	$4.00M	USD	Annual
Treasury stock acquired	`TreasuryStockValueAcquiredCostMethod`	$9.40M	USD	Annual
Treasury stock acquired	`TreasuryStockValueAcquiredCostMethod`	$7.20M	USD	Annual
Common stock	`StockIssuedDuringPeriodValueNewIssues`	$100.00K	USD	Annual
Common stock	`StockIssuedDuringPeriodValueNewIssues`	$599.60M	USD	Annual
Preferred stock	`Stockissuedduringtheperiodpreferredvalue`	$880.00M	USD	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$4.70M	USD	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.00M	USD	Annual
Employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.50M	USD	Annual
Long-term incentive plan	`StockIssuedDuringPeriodValueShareBasedCompensation`	$20.90M	USD	Annual
Long-term incentive plan	`StockIssuedDuringPeriodValueShareBasedCompensation`	$14.90M	USD	Annual
Long-term incentive plan	`StockIssuedDuringPeriodValueShareBasedCompensation`	$15.40M	USD	Annual
401(k) and profit sharing	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$34.30M	USD	Annual
401(k) and profit sharing	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$21.80M	USD	Annual
401(k) and profit sharing	`StockIssuedDuringPeriodValueEmployeeBenefitPlan`	$41.40M	USD	Annual
Dividend reinvestment plan	`StockIssuedDuringPeriodValueDividendReinvestmentPlan`	$6.40M	USD	Annual
Dividend reinvestment plan	`StockIssuedDuringPeriodValueDividendReinvestmentPlan`	$8.90M	USD	Annual
ATM Program	`StockIssuedDuringPeriodValueOther`	$232.50M	USD	Annual
ATM Program	`StockIssuedDuringPeriodValueOther`	$314.70M	USD	Annual
Ending Balance	`StockholdersEquity`	$4.07B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$5.75B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$4.32B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$3.84B	USD	Point-in-time

Comprehensive Income 35 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`	$-100.00K	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-339.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-44.40M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$331.50M	USD	Annual
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$400.00K	USD	Annual
Net Income (Loss)	`ProfitLoss`	$24.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$128.50M	USD	Annual
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-600.00K	USD	Annual
Net Income (Loss)	`ProfitLoss`	$276.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$211.30M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-50.60M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$14.00M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-11.70M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-52.40M	USD	1 Quarter
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$5.60M	USD	Annual
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$7.50M	USD	Annual
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-13.90M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-2.10M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-100.00K	USD	Annual
Net unrealized gain (loss) on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-2.60M	USD	Annual
Net unrealized gain (loss) on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$800.00K	USD	Annual
Net unrealized gain (loss) on available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-100.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$1.50M	USD	Annual
Net unrealized gain (loss) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$22.70M	USD	Annual
Net unrealized gain (loss) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$8.60M	USD	Annual
Net unrealized gain (loss) on cash flow hedges	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-22.50M	USD	Annual
Unrecognized pension and OPEB benefit (costs)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.50M	USD	Annual
Unrecognized pension and OPEB benefit (costs)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.40M	USD	Annual
Unrecognized pension and OPEB benefit (costs)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.40M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-18.30M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$10.00M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$15.70M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-34.90M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$110.20M	USD	Annual
Total Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$341.50M	USD	Annual

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