$NI
NISOURCE INC. Stock $ni

$ni Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-Q Financial Statement

#000111171120000022 Filed on May 06, 2020

Income Statement

Concept	2020 Q1	2019 Q1
Revenue	$1.606B	$1.870B
YoY Change	-14.14%	6.8%
Cost Of Revenue	$462.4M	$680.3M
YoY Change	-32.03%	-6.09%
Gross Profit	$1.606B	$1.870B
YoY Change	-14.14%	6.8%
Gross Profit Margin	100.0%	100.0%
Selling, General & Admin		$4.400M
YoY Change
% of Gross Profit		0.24%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$184.3M	$175.1M
YoY Change	5.25%	21.01%
% of Gross Profit	11.48%	9.36%
Operating Expenses	$714.8M	$1.496B
YoY Change	-52.21%	10.77%
Operating Profit	$148.2M	$374.2M
YoY Change	-60.4%	-6.59%
Interest Expense	$92.90M	$95.60M
YoY Change	-2.82%	2.69%
% of Operating Profit	62.69%	25.55%
Other Income/Expense, Net	-$87.50M	-$96.30M
YoY Change	-9.14%	55.83%
Pretax Income	$60.70M	$277.9M
YoY Change	-78.16%	-17.98%
Income Tax	-$14.90M	$59.00M
% Of Pretax Income	-24.55%	21.23%
Net Earnings	$75.60M	$218.9M
YoY Change	-65.46%	-20.72%
Net Earnings / Revenue	4.71%	11.71%
Basic Earnings Per Share	$0.16	$0.55
Diluted Earnings Per Share	$0.16	$0.55
COMMON SHARES
Basic Shares Outstanding	383.1M shares	373.4M shares
Diluted Shares Outstanding	384.1M shares	374.7M shares

Balance Sheet

Concept	2020 Q1	2019 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$204.0M	$151.0M
YoY Change	35.1%	331.43%
Cash & Equivalents	$203.8M	$151.0M
Short-Term Investments
Other Short-Term Assets	$182.8M	$144.2M
YoY Change	26.77%	-7.27%
Inventory	$254.0M	$216.0M
Prepaid Expenses
Receivables	$716.5M	$1.132B
Other Receivables	$39.00M	$72.00M
Total Short-Term Assets	$3.225B	$1.916B
YoY Change	68.36%	17.26%
LONG-TERM ASSETS
Property, Plant & Equipment	$15.59B	$15.80B
YoY Change	-1.31%	9.26%
Goodwill	$1.486B	$1.691B
YoY Change	-12.11%	0.0%
Intangibles
YoY Change
Long-Term Investments	$212.0M	$211.0M
YoY Change	0.47%	2.43%
Other Assets	$3.568B	$4.022B
YoY Change	-11.29%	5.79%
Total Long-Term Assets	$19.37B	$19.97B
YoY Change	-3.04%	8.17%
TOTAL ASSETS
Total Short-Term Assets	$3.225B	$1.916B
Total Long-Term Assets	$19.37B	$19.97B
Total Assets	$22.59B	$21.89B
YoY Change	3.21%	8.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$505.6M	$675.2M
YoY Change	-25.12%	35.77%
Accrued Expenses	$430.0M	$543.0M
YoY Change	-20.81%	70.22%
Deferred Revenue	$163.2M
YoY Change
Short-Term Debt	$2.046B	$2.080B
YoY Change	-1.62%	32.71%
Long-Term Debt Due	$8.000M	$51.00M
YoY Change	-84.31%	-80.61%
Total Short-Term Liabilities	$4.162B	$4.015B
YoY Change	3.65%	24.46%
LONG-TERM LIABILITIES
Long-Term Debt	$7.818B	$7.110B
YoY Change	9.96%	-2.43%
Other Long-Term Liabilities	$187.3M	$218.3M
YoY Change	-14.2%	13.88%
Total Long-Term Liabilities	$4.872B	$4.985B
YoY Change	-2.27%	-1.86%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.162B	$4.015B
Total Long-Term Liabilities	$4.872B	$4.985B
Total Liabilities	$9.033B	$9.000B
YoY Change	0.37%	8.36%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.483B	-$1.358B
YoY Change	9.23%	47.74%
Common Stock	$6.675B	$6.410B
YoY Change	4.13%	15.63%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$99.90M	$99.90M
YoY Change	0.0%	0.4%
Treasury Stock Shares
Shareholders Equity	$5.741B	$5.780B
YoY Change
Total Liabilities & Shareholders Equity	$22.59B	$21.89B
YoY Change	3.21%	8.91%

Cashflow Statement

Concept	2020 Q1	2019 Q1
OPERATING ACTIVITIES
Net Income	$75.60M	$218.9M
YoY Change	-65.46%	-20.72%
Depreciation, Depletion And Amortization	$184.3M	$175.1M
YoY Change	5.25%	21.01%
Cash From Operating Activities	$369.9M	$399.1M
YoY Change	-7.32%	2.81%
INVESTING ACTIVITIES
Capital Expenditures	$452.1M	$353.7M
YoY Change	27.82%	-4.41%
Acquisitions
YoY Change
Other Investing Activities	-$100.0K	$0.00
YoY Change		-100.0%
Cash From Investing Activities	-$484.6M	-$375.4M
YoY Change	29.09%	-5.89%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$3.700M	-$3.100M
YoY Change	-219.35%	3000.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$179.3M	$16.00M
YoY Change	1020.63%	-5.88%
NET CHANGE
Cash From Operating Activities	$369.9M	$399.1M
Cash From Investing Activities	-$484.6M	-$375.4M
Cash From Financing Activities	$179.3M	$16.00M
Net Change In Cash	$64.60M	$39.70M
YoY Change	62.72%	530.16%
FREE CASH FLOW
Cash From Operating Activities	$369.9M	$399.1M
Capital Expenditures	$452.1M	$353.7M
Free Cash Flow	-$82.20M	$45.40M
YoY Change	-281.06%	149.45%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	384100000	shares
CY2020Q1	dei	Amendment Flag AmendmentFlag	false
CY2020Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2020Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001111711
CY2019Q1	nix	Transfersbetween Fair Value Hierarchies TransfersbetweenFairValueHierarchies	0	USD
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	382135680	shares
CY2019Q1	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
CY2019Q1	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Period Increase Decrease FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease	0	USD
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	440000	shares
CY2020Q1	dei	Document Type DocumentType	10-Q
CY2020Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2020Q1	dei	Document Period End Date DocumentPeriodEndDate	2020-03-31
CY2020Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2020Q1	dei	Entity File Number EntityFileNumber	001-16189
CY2020Q1	dei	Entity Registrant Name EntityRegistrantName	NiSource Inc.
CY2020Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	35-2108964
CY2020Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	801 East 86th Avenue
CY2020Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Merrillville,
CY2020Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	IN
CY2020Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	46410
CY2020Q1	dei	City Area Code CityAreaCode	(877)
CY2020Q1	dei	Local Phone Number LocalPhoneNumber	647-5990
CY2020Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2020Q1	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	382799472	shares
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1834500000	USD
CY2020Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	79600000	USD
CY2019Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	35300000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1525900000	USD
CY2020Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	13800000	USD
CY2019Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	13800000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	59000000.0	USD
CY2020Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	1457300000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	75600000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	218900000	USD
CY2019Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	1495600000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	148200000	USD
CY2020Q1	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1605500000	USD
CY2019Q1	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1869800000	USD
CY2020Q1	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	462400000	USD
CY2019Q1	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	680300000	USD
CY2020Q1	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	444600000	USD
CY2019Q1	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	552400000	USD
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	184300000	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	175100000	USD
CY2020Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-280200000	USD
CY2019Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	USD
CY2020Q1	nix	Impairment And Gain Loss On Sale Of Assets Net ImpairmentAndGainLossOnSaleOfAssetsNet	-100000	USD
CY2019Q1	nix	Impairment And Gain Loss On Sale Of Assets Net ImpairmentAndGainLossOnSaleOfAssetsNet	200000	USD
CY2020Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	85900000	USD
CY2019Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	87600000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	374200000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	92900000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	95600000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5400000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-700000	USD
CY2020Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-87500000	USD
CY2019Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-96300000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	60700000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	277900000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-14900000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	61800000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	205100000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.55
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	383100000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	373400000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	374700000	shares
CY2020Q1	us-gaap	Profit Loss ProfitLoss	75600000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	218900000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-5400000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2800000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-133300000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-19300000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-700000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-900000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-138000000.0	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-15600000	USD
CY2020Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-62400000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	203300000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1400000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	700000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-44100000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-6500000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	300000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-400000	USD
CY2020Q1	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	22862300000	USD
CY2019Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	24502600000	USD
CY2020Q1	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	7293700000	USD
CY2019Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	7609300000	USD
CY2020Q1	nix	Public Utilities Property Plant And Equipment Plant In Service Net PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceNet	15568600000	USD
CY2019Q4	nix	Public Utilities Property Plant And Equipment Plant In Service Net PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceNet	16893300000	USD
CY2020Q1	nix	Public Utilities Property Plant And Equipment Other Property At Cost Less Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyAtCostLessAccumulatedDepreciation	18600000	USD
CY2019Q4	nix	Public Utilities Property Plant And Equipment Other Property At Cost Less Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyAtCostLessAccumulatedDepreciation	18900000	USD
CY2020Q1	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	15587200000	USD
CY2019Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	16912200000	USD
CY2020Q1	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1300000	USD
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1300000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	144600000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	154200000	USD
CY2020Q1	us-gaap	Other Long Term Investments OtherLongTermInvestments	66100000	USD
CY2019Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	74700000	USD
CY2020Q1	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	212000000.0	USD
CY2019Q4	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	230200000	USD
CY2020Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	203800000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	139300000	USD
CY2020Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9200000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9100000	USD
CY2020Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	736800000	USD
CY2019Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	876100000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	20300000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	19200000	USD
CY2020Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	716500000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	856900000	USD
CY2020Q1	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	59900000	USD
CY2019Q4	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	250900000	USD
CY2020Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	130900000	USD
CY2019Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	120200000	USD
CY2020Q1	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	63200000	USD
CY2019Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	53600000	USD
CY2020Q1	nix	Exchange Gas Receivable ExchangeGasReceivable	39000000.0	USD
CY2019Q4	nix	Exchange Gas Receivable ExchangeGasReceivable	48500000	USD
CY2020Q1	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	1655800000	USD
CY2019Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2020Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	164300000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	225700000	USD
CY2020Q1	us-gaap	Other Assets Current OtherAssetsCurrent	182800000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	149700000	USD
CY2020Q1	us-gaap	Assets Current AssetsCurrent	3225400000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	1853900000	USD
CY2020Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1922000000.0	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	2013900000	USD
CY2020Q1	us-gaap	Goodwill Goodwill	1485900000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1485900000	USD
CY2020Q1	nix	Deferred Charges And Other DeferredChargesAndOther	160200000	USD
CY2019Q4	nix	Deferred Charges And Other DeferredChargesAndOther	163700000	USD
CY2020Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3568100000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3663500000	USD
CY2020Q1	us-gaap	Assets Assets	22592700000	USD
CY2019Q4	us-gaap	Assets Assets	22659800000	USD
CY2020Q1	us-gaap	Common Stock Value CommonStockValue	3800000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	3800000	USD
CY2020Q1	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	880000000.0	USD
CY2019Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	880000000.0	USD
CY2020Q1	us-gaap	Treasury Stock Value TreasuryStockValue	99900000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	99900000	USD
CY2020Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	6671500000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	6666200000	USD
CY2020Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1483400000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1370800000	USD
CY2020Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-230600000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-92600000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1485300000	USD
CY2020Q1	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	9400000	USD
CY2019Q4	nix	Preferred Dividends Payable Current PreferredDividendsPayableCurrent	0	USD
CY2020Q1	nix	Preferred Dividends Payable Current PreferredDividendsPayableCurrent	19400000	USD
CY2020Q1	nix	Legal And Environmental Reserves LegalAndEnvironmentalReserves	17500000	USD
CY2019Q4	nix	Legal And Environmental Reserves LegalAndEnvironmentalReserves	20100000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	5741400000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	5986700000	USD
CY2020Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	7817900000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	7856200000	USD
CY2020Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	13559300000	USD
CY2019Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	13842900000	USD
CY2020Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	7900000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	13400000	USD
CY2020Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	2046400000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1773200000	USD
CY2020Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	505600000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	666000000.0	USD
CY2020Q1	nix	Common Dividends Payable Current CommonDividendsPayableCurrent	80400000	USD
CY2019Q4	nix	Common Dividends Payable Current CommonDividendsPayableCurrent	0	USD
CY2020Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	163200000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	256400000	USD
CY2020Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	223800000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	231600000	USD
CY2020Q1	us-gaap	Interest Payable Current InterestPayableCurrent	95100000	USD
CY2019Q4	us-gaap	Interest Payable Current InterestPayableCurrent	99400000	USD
CY2020Q1	nix	Exchange Gas Payable ExchangeGasPayable	18500000	USD
CY2019Q4	nix	Exchange Gas Payable ExchangeGasPayable	59700000	USD
CY2020Q1	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	177900000	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	160200000	USD
CY2020Q1	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	470900000	USD
CY2019Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2020Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	129400000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	156300000	USD
CY2020Q1	nix	Accrued Insurance Claims Current AccruedInsuranceClaimsCurrent	24900000	USD
CY2019Q4	nix	Accrued Insurance Claims Current AccruedInsuranceClaimsCurrent	165400000	USD
CY2020Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	180900000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	144100000	USD
CY2020Q1	us-gaap	Liabilities Current LiabilitiesCurrent	4161800000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3745800000	USD
CY2020Q1	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	312100000	USD
CY2019Q4	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	134000000.0	USD
CY2020Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1451300000	USD
CY2020Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-19900000	USD
CY2019Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	51600000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	218500000	USD
CY2020Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	4871600000	USD
CY2020Q1	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-280200000	USD
CY2019Q1	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	5071100000	USD
CY2020Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2020Q1	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	7900000	USD
CY2019Q1	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	6500000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	147100000	USD
CY2019Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	9700000	USD
CY2020Q1	us-gaap	Accrued Insurance Noncurrent AccruedInsuranceNoncurrent	82400000	USD
CY2019Q4	us-gaap	Accrued Insurance Noncurrent AccruedInsuranceNoncurrent	81500000	USD
CY2020Q1	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	359400000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	373200000	USD
CY2020Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2033800000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2352000000.0	USD
CY2020Q1	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	435900000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	416900000	USD
CY2020Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	187300000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2020Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22592700000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22659800000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	75600000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	218900000	USD
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	184300000	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	175100000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	27200000	USD
CY2020Q1	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-12900000	USD
CY2019Q1	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-400000	USD
CY2020Q1	nix	Increase Decrease In Deferred Charges And Other Non Current Assets IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets	-12100000	USD
CY2019Q1	nix	Increase Decrease In Deferred Charges And Other Non Current Assets IncreaseDecreaseInDeferredChargesAndOtherNonCurrentAssets	-58300000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-11900000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	32100000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	369900000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	399100000	USD
CY2020Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	452100000	USD
CY2019Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	353700000	USD
CY2020Q1	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	34500000	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	29300000	USD
CY2020Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	43500000	USD
CY2019Q1	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	25300000	USD
CY2019Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	25700000	USD
CY2020Q1	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-226800000	USD
CY2019Q1	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	452800000	USD
CY2020Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	45400000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3700000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3100000	USD
CY2020Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	150500000	USD
CY2020Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-100000	USD
CY2019Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-484600000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-375400000	USD
CY2020Q1	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	4100000	USD
CY2019Q1	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	2300000	USD
CY2020Q1	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	500000000.0	USD
CY2019Q1	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	0	USD
CY2020Q1	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	0	USD
CY2019Q1	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	350000000.0	USD
CY2020Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-5100000	USD
CY2019Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4000000.0	USD
CY2020Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	80300000	USD
CY2019Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	74500000	USD
CY2020Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	8100000	USD
CY2019Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	9100000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	179300000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	16000000.0	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	64600000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	39700000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	148400000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	121100000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	213000000.0	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	160800000	USD
CY2019Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	123700000	USD
CY2020Q1	us-gaap	Dividends Payable Current DividendsPayableCurrent	99800000	USD
CY2019Q1	us-gaap	Dividends Payable Current DividendsPayableCurrent	94000000.0	USD
CY2020Q1	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	69800000	USD
CY2019Q1	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	4800000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	5986700000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	75600000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-138000000.0	USD
CY2020Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	160700000	USD
CY2020Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	27500000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1300000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2700000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	4400000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	5779600000	USD
CY2019Q4	us-gaap	Shares Issued SharesIssued	382136000	shares
CY2020Q1	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	46000	shares
CY2020Q1	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	347000	shares
CY2020Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-500000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	4500000	USD
CY2020Q1	us-gaap	Stock Issued During Period Shares Employee Benefit Plan StockIssuedDuringPeriodSharesEmployeeBenefitPlan	165000	shares
CY2020Q1	us-gaap	Shares Issued SharesIssued	382694000	shares
CY2019Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1300000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	5741400000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	5750900000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	218900000	USD
CY2019Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	149100000	USD
CY2019Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	28500000	USD
CY2018Q4	us-gaap	Shares Issued SharesIssued	372363000	shares
CY2019Q1	nix	Stock Issued Duringthe Period Shares Preferred StockIssuedDuringthePeriodSharesPreferred	0	shares
CY2019Q1	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	50000	shares
CY2019Q1	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	426000	shares
CY2019Q1	us-gaap	Stock Issued During Period Shares Employee Benefit Plan StockIssuedDuringPeriodSharesEmployeeBenefitPlan	164000	shares
CY2019Q1	us-gaap	Shares Issued SharesIssued	373003000	shares
CY2020Q1	us-gaap	Basis Of Accounting BasisOfAccounting	Basis of Accounting Presentation<div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Our accompanying Condensed Consolidated Financial Statements (unaudited) reflect all normal recurring adjustments that are necessary, in the opinion of management, to present fairly the results of operations in accordance with GAAP in the United States of America. The accompanying financial statements contain our accounts and that of our majority-owned or controlled subsidiaries. </span></div><div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The accompanying financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended </span><span style="font-family:inherit;font-size:10pt;">December 31, 2019</span><span style="font-family:inherit;font-size:10pt;">. Income for interim periods may not be indicative of results for the calendar year due to weather variations and other factors.</span></div><div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Condensed Consolidated Financial Statements (unaudited) have been prepared pursuant to the rules and regulations of the SEC. Certain information and note disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to those rules and regulations, although we believe that the disclosures made in this Quarterly Report on Form 10-Q are adequate to make the information herein not misleading.</span></div>
CY2020Q1	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Recently Issued Accounting Pronouncements</span></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">We are currently evaluating the impact of certain ASUs on our Condensed Consolidated Financial Statements (unaudited) and Notes to Condensed Consolidated Financial Statements (unaudited), which are described below:</span></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:97.85575048732943%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:20%;"/><td style="width:28%;"/><td style="width:19%;"/><td style="width:33%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Standard</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Description</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Effective Date</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Effect on the financial statements or other significant matters</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">ASU 2018-14, </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">Compensation—Retirement Benefits—Defined Benefit Plans—General (Subtopic 715-20): Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">This pronouncement modifies the disclosure requirements for defined benefit pension or other postretirement benefit plans. The guidance removes disclosures that are no longer considered cost beneficial, clarifies the specific requirements of disclosures and adds disclosure requirements identified as relevant. The modifications affect annual period disclosures and must be applied on a retrospective basis to all periods presented.</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Annual periods ending after December 15, 2020. Early adoption is permitted.</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">We are currently in discussions with our third-party specialist to evaluate the effects of this pronouncement on our Notes to Condensed Consolidated Financial Statements (unaudited). We expect to adopt this ASU on its effective date.</span></div><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">ASU 2019-12, </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">Income</span><span style="font-family:inherit;font-size:10pt;"> </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">Taxes (Topic 740): Simplifying the Accounting for Income Taxes</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">This pronouncement simplifies the accounting for income taxes by eliminating certain exceptions to the general principles in ASC 740, income taxes. It also improves consistency of application for other areas of the guidance by clarifying and amending existing guidance.</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Annual periods beginning after December 15, 2020 Early adoption is permitted.</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">We are currently evaluating the effects of this pronouncement on our Condensed Consolidated Financial Statements (unaudited) and Notes to Condensed Consolidated Financial Statements (unaudited). The most relevant amendment requires that an entity recognize a franchise tax (or similar tax) that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax. For NiSource, these taxes may include franchise taxes based on gross receipts, commercial activity taxes and utilities receipts taxes. We expect to adopt this ASU on its effective date.</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">ASU 2020-04, </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Statements</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">This pronouncement provides temporary optional expedients and exceptions for applying GAAP principles to contract modifications and hedging relationships to ease the financial reporting burdens of the expected market transition from LIBOR and other interbank offered rates to alternative reference rates.</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Upon issuance on March 12, 2020, and will apply though December 31, 2022.</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">We are currently evaluating the temporary expedients and options available under this guidance, and the effects of this pronouncement on our Condensed Consolidated Financial Statements (unaudited) and Notes to Condensed Consolidated Financial Statements (unaudited). As of March 31, 2020, we have not applied any expedients and options available under this ASU.</span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div>
CY2020Q1	nix	Service Area By County ServiceAreaByCounty	20
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1525900000	USD
CY2020Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	79600000	USD
CY2020Q1	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1605500000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1834500000	USD
CY2019Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	35300000	USD
CY2019Q1	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1869800000	USD
CY2019Q4	nix	Customer Accounts Receivable Billed Less Reserve CustomerAccountsReceivableBilledLessReserve	466600000	USD
CY2019Q4	nix	Customer Accounts Receivable Unbilled Less Reserve CustomerAccountsReceivableUnbilledLessReserve	346600000	USD
CY2020Q1	nix	Customer Accounts Receivable Billed Less Reserve CustomerAccountsReceivableBilledLessReserve	449900000	USD
CY2020Q1	nix	Customer Accounts Receivable Unbilled Less Reserve CustomerAccountsReceivableUnbilledLessReserve	233500000	USD
CY2020Q1	nix	Increase Decreasein Customer Accounts Receivable Billed Less Reserve IncreaseDecreaseinCustomerAccountsReceivableBilledLessReserve	-16700000	USD
CY2020Q1	nix	Increase Decreasein Customer Accounts Receivable Unbilled Less Reserve IncreaseDecreaseinCustomerAccountsReceivableUnbilledLessReserve	-113100000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13000000.0	USD
CY2020Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	10600000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	7900000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	4600000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	20300000	USD
CY2020Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	382694308	shares
CY2020Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	383062000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	373356000	shares
CY2020Q1	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	845000	shares
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1062000	shares
CY2020Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	207000	shares
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	133000	shares
CY2020Q1	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	0	shares
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	105000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	384114000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	374656000	shares
CY2020Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2020Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	440000	shares
CY2020Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q1	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	29900000	USD
CY2019Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	0	USD
CY2020Q1	nix	Purchase Price PurchasePrice	1100000000	USD
CY2020Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-280200000	USD
CY2020Q1	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-236200000	USD
CY2019Q1	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-80700000	USD
CY2020Q1	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	69800000	USD
CY2020Q1	nix	Limitof Gca Volumes LimitofGCAVolumes	0.20
CY2020Q1	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	0	USD
CY2020Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	172800000	USD
CY2020Q1	us-gaap	Financial Liabilities Fair Value Disclosure FinancialLiabilitiesFairValueDisclosure	326600000	USD
CY2019Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	158600000	USD
CY2019Q4	us-gaap	Financial Liabilities Fair Value Disclosure FinancialLiabilitiesFairValueDisclosure	146600000	USD
CY2020Q1	nix	Transfersbetween Fair Value Hierarchies TransfersbetweenFairValueHierarchies	0	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	-1200000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	-1200000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	148400000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2900000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5500000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	-1200000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	144600000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	150100000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4300000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	200000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	154200000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	0	USD
CY2020Q1	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	54000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	17200000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	12200000	USD
CY2020Q1	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Period Increase Decrease FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease	0	USD
CY2020Q1	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-280200000	USD
CY2020Q1	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	459400000	USD
CY2019Q1	nix	Securitization Transaction Fees SecuritizationTransactionFees	800000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	353200000	USD
CY2020Q1	nix	Cash From Financing Activities Related To Change In Short Term Borrowings Due To Securitization Transactions CashFromFinancingActivitiesRelatedToChangeInShortTermBorrowingsDueToSecuritizationTransactions	106200000	USD
CY2019Q1	nix	Cash From Financing Activities Related To Change In Short Term Borrowings Due To Securitization Transactions CashFromFinancingActivitiesRelatedToChangeInShortTermBorrowingsDueToSecuritizationTransactions	100800000	USD
CY2020Q1	nix	Numberof Agreements NumberofAgreements	3
CY2020Q1	nix	Securitization Transaction Fees SecuritizationTransactionFees	700000	USD
CY2019Q4	nix	Trade Receivables Transferred Net TradeReceivablesTransferredNet	353200000	USD
CY2020Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7825800000	USD
CY2020Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8381100000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7869600000	USD
CY2019Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8764400000	USD
CY2020Q1	nix	Trade Receivables Available For Transfer TradeReceivablesAvailableForTransfer	593200000	USD
CY2019Q4	nix	Trade Receivables Available For Transfer TradeReceivablesAvailableForTransfer	569100000	USD
CY2020Q1	nix	Trade Receivables Not Transferred TradeReceivablesNotTransferred	133800000	USD
CY2019Q4	nix	Trade Receivables Not Transferred TradeReceivablesNotTransferred	215900000	USD
CY2020Q1	nix	Trade Receivables Transferred Net TradeReceivablesTransferredNet	459400000	USD
CY2020Q1	us-gaap	Goodwill Goodwill	1485900000	USD
CY2020Q1	nix	Increase Decreasein Effective Tax Rate IncreaseDecreaseinEffectiveTaxRate	-0.457	Rate
CY2020Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.245	Rate
CY2019Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.212	Rate
CY2020Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020Q1	nix	Changesto Liabilityfor Uncertain Tax Positions ChangestoLiabilityforUncertainTaxPositions	0	USD
CY2020Q1	us-gaap	Commercial Paper CommercialPaper	237000000.0	USD
CY2019Q4	us-gaap	Commercial Paper CommercialPaper	570000000.0	USD
CY2020Q1	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	459400000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	353200000	USD
CY2020Q1	us-gaap	Commercial Paper CommercialPaper	237000000.0	USD
CY2019Q4	us-gaap	Commercial Paper CommercialPaper	570000000.0	USD
CY2020Q1	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	459400000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	353200000	USD
CY2020Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	2046400000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	1773200000	USD
CY2020Q1	us-gaap	Guaranty Liabilities GuarantyLiabilities	8500000	USD
CY2019Q4	nix	Gas Metersmovedfrominsidetooutside GasMetersmovedfrominsidetooutside	2200
CY2019Q3	nix	Proposed Class Action Settlement ProposedClassActionSettlement	143000000	USD
CY2020Q1	nix	Liability Insurancefor Damages LiabilityInsuranceforDamages	800000000	USD
	nix	Proceeds From Insurance Settlement ProceedsFromInsuranceSettlement	800000000	USD
CY2020Q1	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	91400000	USD
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	104400000	USD
CY2020Q1	nix	Coalfired Generating Capacity CoalfiredGeneratingCapacity	2080	MW
CY2020Q1	nix	Coalfired Generating Capacity Percentof Total Capacity CoalfiredGeneratingCapacityPercentofTotalCapacity	0.72	Rate
CY2020Q1	nix	Coalfired Generating Capacity Percentof Total Coal Fired Capacity CoalfiredGeneratingCapacityPercentofTotalCoalFiredCapacity	1	Rate
CY2019Q1	nix	Wind Power Purchase Agreement Purchase Percentage WindPowerPurchaseAgreementPurchasePercentage	1	Rate
CY2020Q1	nix	Future Rfp Capacity FutureRFPCapacity	1600	MW
	nix	Expenses Other Than Third Party Claims ExpensesOtherThanThirdPartyClaims	429000000	USD
CY2020Q1	nix	Liability Insurancefor Damages LiabilityInsuranceforDamages	800000000	USD
	nix	Proceeds From Insurance Settlement ProceedsFromInsuranceSettlement	800000000	USD
	nix	Expenses Relatedto Third Party Claims ExpensesRelatedtoThirdPartyClaims	1041000000	USD
CY2020Q1	nix	Expenses Relatedto Third Party Claims ExpensesRelatedtoThirdPartyClaims	0	USD
	nix	Expenses Relatedto Third Party Claims ExpensesRelatedtoThirdPartyClaims	1041000000	USD
	nix	Expenses Other Than Third Party Claims ExpensesOtherThanThirdPartyClaims	420000000	USD
CY2020Q1	nix	Expenses Other Than Third Party Claims ExpensesOtherThanThirdPartyClaims	9000000	USD
	nix	Expenses Other Than Third Party Claims ExpensesOtherThanThirdPartyClaims	429000000	USD
	nix	Costs Resultingfromthe Greater Lawrence Incident CostsResultingfromtheGreaterLawrenceIncident	1461000000	USD
CY2020Q1	nix	Costs Resultingfromthe Greater Lawrence Incident CostsResultingfromtheGreaterLawrenceIncident	9000000	USD
	nix	Costs Resultingfromthe Greater Lawrence Incident CostsResultingfromtheGreaterLawrenceIncident	1470000000	USD
	us-gaap	Insurance Recoveries InsuranceRecoveries	800000000	USD
CY2020Q1	us-gaap	Insurance Recoveries InsuranceRecoveries	0	USD
	us-gaap	Insurance Recoveries InsuranceRecoveries	800000000	USD
	nix	Greater Lawrence Incident Impacton Operationand Maintenance Expense GreaterLawrenceIncidentImpactonOperationandMaintenanceExpense	661000000	USD
CY2020Q1	nix	Greater Lawrence Incident Impacton Operationand Maintenance Expense GreaterLawrenceIncidentImpactonOperationandMaintenanceExpense	9000000	USD
	nix	Greater Lawrence Incident Impacton Operationand Maintenance Expense GreaterLawrenceIncidentImpactonOperationandMaintenanceExpense	670000000	USD
	nix	Costs Resultingfromthe Greater Lawrence Incident CostsResultingfromtheGreaterLawrenceIncident	1023000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-92600000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-138100000	USD
CY2020Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	100000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-138000000.0	USD
CY2020Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-230600000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-37200000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-16100000	USD
CY2019Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	500000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-15600000	USD
CY2019Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-52800000	USD
CY2020Q1	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	1700000	USD
CY2019Q1	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	2100000	USD
CY2020Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	1700000	USD
CY2019Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	1700000	USD
CY2020Q1	nix	Pensionand Other Postretirement Non Service Cost PensionandOtherPostretirementNonServiceCost	2700000	USD
CY2019Q1	nix	Pensionand Other Postretirement Non Service Cost PensionandOtherPostretirementNonServiceCost	-2800000	USD
CY2020Q1	nix	Miscellaneous Non Operating Income Expense MiscellaneousNonOperatingIncomeExpense	-700000	USD
CY2019Q1	nix	Miscellaneous Non Operating Income Expense MiscellaneousNonOperatingIncomeExpense	-1700000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5400000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-700000	USD
CY2020Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2020Q1	nix	Service Area By County ServiceAreaByCounty	20
CY2020Q1	us-gaap	Revenues Revenues	1605500000	USD
CY2019Q1	us-gaap	Revenues Revenues	1869800000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	148200000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	374200000	USD

Files In Submission

Name	View Source	Status
0001111711-20-000022-index-headers.html	Edgar Link	pending
0001111711-20-000022-index.html	Edgar Link	pending
0001111711-20-000022.txt	Edgar Link	pending
0001111711-20-000022-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
ni-2020331x10q.htm	Edgar Link	pending
ni-2020331x10q_htm.xml	Edgar Link	completed
ni-ex3112020331.htm	Edgar Link	pending
ni-ex3122020331.htm	Edgar Link	pending
ni-ex3212020331.htm	Edgar Link	pending
ni-ex3222020331.htm	Edgar Link	pending
nix-20200331.xsd	Edgar Link	pending
nix-20200331_cal.xml	Edgar Link	unprocessable
nix-20200331_def.xml	Edgar Link	unprocessable
nix-20200331_lab.xml	Edgar Link	unprocessable
nix-20200331_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$NI
NISOURCE INC. Stock $ni

2020 Q1 Form 10-Q Financial Statement

#000111171120000022 Filed on May 06, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NI NISOURCE INC. Stock $ni

2020 Q1 Form 10-Q Financial Statement

#000111171120000022 Filed on May 06, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NI
NISOURCE INC. Stock $ni