10-K Filing

ALLIANT ENERGY CORP CIK: 352541 FY 2019

Filing Information

Form Type	10-K
Accession Number	`0000352541-20-000021`
Period End Date	20191231
Filing Date	20200221
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	lnt1231201910-k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 93 Income Statement 136 Cash Flow Statement 92 Stockholders Equity 41

Balance Sheet 93 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	480.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	480.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$20.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$16.30M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	236.06M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	245.02M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	231.35M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	227.67M	shares	Point-in-time
Accounts receivable, less allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$350.40M	USD	Point-in-time
Shares in deferred compensation trust (in shares)	`CommonStockHeldInTrustShares`	384,580.00	shares	Point-in-time
Accounts receivable, less allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$402.10M	USD	Point-in-time
Shares in deferred compensation trust (in shares)	`CommonStockHeldInTrustShares`	381,232.00	shares	Point-in-time
Shares in deferred compensation trust, weighted average cost per share (in dollars per share)	`CommonStockHeldInTrustWeightedAverageValuePerShare`	$25.60	USD	Point-in-time
Production fuel, at weighted average cost	`EnergyRelatedInventoryOtherFossilFuel`	$61.40M	USD	Point-in-time
Production fuel, at weighted average cost	`EnergyRelatedInventoryOtherFossilFuel`	$77.70M	USD	Point-in-time
Shares in deferred compensation trust, weighted average cost per share (in dollars per share)	`CommonStockHeldInTrustWeightedAverageValuePerShare`	$26.24	USD	Point-in-time
Gas stored underground, at weighted average cost	`EnergyRelatedInventoryGasStoredUnderground`	$49.10M	USD	Point-in-time
Gas stored underground, at weighted average cost	`EnergyRelatedInventoryGasStoredUnderground`	$49.00M	USD	Point-in-time
Materials and supplies, at weighted average cost	`InventoryRawMaterialsAndSupplies`	$101.40M	USD	Point-in-time
Materials and supplies, at weighted average cost	`InventoryRawMaterialsAndSupplies`	$100.50M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$79.80M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$86.40M	USD	Point-in-time
Prepaid gross receipts tax	`PrepaidTaxes`	$42.20M	USD	Point-in-time
Prepaid gross receipts tax	`PrepaidTaxes`	$41.70M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$101.70M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$80.00M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$785.10M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$875.50M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$13.53B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$12.46B	USD	Point-in-time
ATC Holdings	`InvestmentsBusinessLine1`	$293.60M	USD	Point-in-time
ATC Holdings	`InvestmentsBusinessLine1`	$320.10M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$147.70M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$137.70M	USD	Point-in-time
Total investments	`LongTermInvestments`	$431.30M	USD	Point-in-time
Total investments	`LongTermInvestments`	$467.80M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.66B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.76B	USD	Point-in-time
Deferred charges and other	`OtherAssetsNoncurrent`	$89.70M	USD	Point-in-time
Deferred charges and other	`OtherAssetsNoncurrent`	$72.00M	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$1.75B	USD	Point-in-time
Total other assets	`AssetsNoncurrent`	$1.83B	USD	Point-in-time
Total assets	`Assets`	$16.70B	USD	Point-in-time
Total assets	`Assets`	$15.43B	USD	Point-in-time
Total assets	`Assets`	$14.19B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$657.20M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$256.50M	USD	Point-in-time
Commercial paper	`CommercialPaper`	$337.40M	USD	Point-in-time
Commercial paper	`CommercialPaper`	$441.20M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$543.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$422.30M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$212.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$142.70M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$260.40M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$425.20M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.05B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.64B	USD	Point-in-time
Long-term debt, net (excluding current portion)	`LongTermDebtNoncurrent`	$5.53B	USD	Point-in-time
Long-term debt, net (excluding current portion)	`LongTermDebtNoncurrent`	$5.25B	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$1.60B	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$1.71B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.21B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.35B	USD	Point-in-time
Pension and other benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$509.10M	USD	Point-in-time
Pension and other benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$484.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$287.20M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$298.90M	USD	Point-in-time
Total other liabilities	`DeferredCreditsAndOtherLiabilities`	$3.71B	USD	Point-in-time
Total other liabilities	`DeferredCreditsAndOtherLiabilities`	$3.75B	USD	Point-in-time
Commitments and contingencies (Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$2.40M	USD	Point-in-time
Common stock	`CommonStockValue`	$2.50M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.05B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.45B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.55B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.77B	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$1.30M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$1.70M	USD	Point-in-time
Shares in deferred compensation trust - 381,232 and 384,580 shares at a weighted average cost of $26.24 and $25.60 per share	`CommonStockHeldInTrust`	$9.80M	USD	Point-in-time
Shares in deferred compensation trust - 381,232 and 384,580 shares at a weighted average cost of $26.24 and $25.60 per share	`CommonStockHeldInTrust`	$10.00M	USD	Point-in-time
Total common equity	`StockholdersEquity`	$5.21B	USD	Point-in-time
Total common equity	`StockholdersEquity`	$4.59B	USD	Point-in-time
Cumulative preferred stock of Interstate Power and Light Company	`MinorityInterestAmountRepresentedByPreferredStock`	$200.00M	USD	Point-in-time
Cumulative preferred stock of Interstate Power and Light Company	`MinorityInterestAmountRepresentedByPreferredStock`	$200.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.41B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.79B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$15.43B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$16.70B	USD	Point-in-time

Income Statement 136 line items

Line Item	Tag	Value	Unit	Period
Electric utility	`RegulatedOperatingRevenueElectricNonNuclear`	$2.89B	USD	Annual
Electric utility	`RegulatedOperatingRevenueElectricNonNuclear`	$3.00B	USD	Annual
Electric utility	`RegulatedOperatingRevenueElectricNonNuclear`	$3.06B	USD	Annual
Gas utility	`RegulatedOperatingRevenueGas`	$446.60M	USD	Annual
Gas utility	`RegulatedOperatingRevenueGas`	$455.20M	USD	Annual
Gas utility	`RegulatedOperatingRevenueGas`	$400.90M	USD	Annual
Other utility	`RegulatedOperatingRevenueOther`	$47.50M	USD	Annual
Other utility	`RegulatedOperatingRevenueOther`	$48.00M	USD	Annual
Other utility	`RegulatedOperatingRevenueOther`	$46.50M	USD	Annual
Non-utility	`UnregulatedOperatingRevenue`	$39.60M	USD	Annual
Non-utility	`UnregulatedOperatingRevenue`	$82.40M	USD	Annual
Non-utility	`UnregulatedOperatingRevenue`	$39.10M	USD	Annual
Total revenues	`Revenues`	$3.53B	USD	Annual
Total revenues	`Revenues`	$990.20M	USD	1 Quarter
Total revenues	`Revenues`	$880.10M	USD	1 Quarter
Total revenues	`Revenues`	$987.20M	USD	1 Quarter
Total revenues	`Revenues`	$928.60M	USD	1 Quarter
Total revenues	`Revenues`	$790.20M	USD	1 Quarter
Total revenues	`Revenues`	$3.65B	USD	Annual
Total revenues	`Revenues`	$916.30M	USD	1 Quarter
Total revenues	`Revenues`	$3.38B	USD	Annual
Total revenues	`Revenues`	$873.50M	USD	1 Quarter
Total revenues	`Revenues`	$816.10M	USD	1 Quarter
Electric production fuel and purchased power	`UtilitiesOperatingExpenseFuelUsed`	$855.00M	USD	Annual
Electric production fuel and purchased power	`UtilitiesOperatingExpenseFuelUsed`	$776.70M	USD	Annual
Electric production fuel and purchased power	`UtilitiesOperatingExpenseFuelUsed`	$818.10M	USD	Annual
Electric transmission service	`CostOfGoodsAndServicesSold`	$480.90M	USD	Annual
Electric transmission service	`CostOfGoodsAndServicesSold`	$495.70M	USD	Annual
Electric transmission service	`CostOfGoodsAndServicesSold`	$481.40M	USD	Annual
Cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$221.70M	USD	Annual
Cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$211.40M	USD	Annual
Cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$232.30M	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$645.80M	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$712.20M	USD	Annual
Other operation and maintenance	`OtherCostAndExpenseOperating`	$633.20M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$461.80M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$506.90M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$567.20M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$104.40M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$105.60M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$110.80M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.84B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.71B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.87B	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$694.40M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$165.70M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$176.80M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$160.90M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$121.40M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$151.20M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$777.70M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$149.80M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$671.20M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$290.20M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$256.10M	USD	1 Quarter
Interest expense	`InterestExpense`	$247.00M	USD	Annual
Interest expense	`InterestExpense`	$215.60M	USD	Annual
Interest expense	`InterestExpense`	$272.90M	USD	Annual
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$53.00M	USD	Annual
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$54.60M	USD	Annual
Equity income from unconsolidated investments, net	`IncomeLossFromEquityMethodInvestments`	$44.80M	USD	Annual
Allowance for funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$49.70M	USD	Annual
Allowance for funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$92.70M	USD	Annual
Allowance for funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$75.60M	USD	Annual
Other	`OtherNonoperatingIncomeExpense`	$-17.30M	USD	Annual
Other	`OtherNonoperatingIncomeExpense`	$-7.60M	USD	Annual
Other	`OtherNonoperatingIncomeExpense`	$-14.40M	USD	Annual
Total other (income) and deductions	`NonoperatingIncomeExpense`	$-138.40M	USD	Annual
Total other (income) and deductions	`NonoperatingIncomeExpense`	$-141.60M	USD	Annual
Total other (income) and deductions	`NonoperatingIncomeExpense`	$-124.40M	USD	Annual
Income from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$636.10M	USD	Annual
Income from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$532.80M	USD	Annual
Income from continuing operations before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$570.00M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$68.70M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$66.70M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$47.70M	USD	Annual
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$522.30M	USD	Annual
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$567.40M	USD	Annual
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$466.10M	USD	Annual
Income from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$1.40M	USD	Annual
Income from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Net income	`NetIncomeLoss`	$567.40M	USD	Annual
Net income	`NetIncomeLoss`	$522.30M	USD	Annual
Net income	`NetIncomeLoss`	$467.50M	USD	Annual
Preferred dividend requirements of Interstate Power and Light Company	`DividendsPreferredStock`	$10.20M	USD	Annual
Preferred dividend requirements of Interstate Power and Light Company	`DividendsPreferredStock`	$10.20M	USD	Annual
Preferred dividend requirements of Interstate Power and Light Company	`DividendsPreferredStock`	$10.20M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$111.50M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$94.60M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$457.30M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$557.20M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$100.40M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$205.50M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$120.90M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$512.10M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$226.00M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$85.30M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$125.10M	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	229.70M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	233.60M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	238.50M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	233.60M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	239.00M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	229.70M	shares	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.34	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.19	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.99	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.99	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.94	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.52	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.36	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.40	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.53	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.46	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.87	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.19	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.33	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.43	USD	1 Quarter
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperations`	$455.90M	USD	Annual
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperations`	$512.10M	USD	Annual
Income from continuing operations, net of tax	`IncomeLossFromContinuingOperations`	$557.20M	USD	Annual
Income from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Income from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$1.40M	USD	Annual
Income from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$111.50M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$94.60M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$457.30M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$557.20M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$100.40M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$205.50M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$120.90M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$512.10M	USD	Annual
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$226.00M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$85.30M	USD	1 Quarter
Net income	`NetIncomeLossAvailableToCommonStockholdersBasic`	$125.10M	USD	1 Quarter

Cash Flow Statement 92 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$567.40M	USD	Annual
Net income	`NetIncomeLoss`	$522.30M	USD	Annual
Net income	`NetIncomeLoss`	$467.50M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$461.80M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$506.90M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$567.20M	USD	Annual
Deferred tax expense and tax credits	`DeferredIncomeTaxesAndTaxCredits`	$139.60M	USD	Annual
Deferred tax expense and tax credits	`DeferredIncomeTaxesAndTaxCredits`	$67.00M	USD	Annual
Deferred tax expense and tax credits	`DeferredIncomeTaxesAndTaxCredits`	$55.60M	USD	Annual
Equity component of allowance for funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$51.40M	USD	Annual
Equity component of allowance for funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$65.50M	USD	Annual
Equity component of allowance for funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$33.60M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-19.90M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-7.70M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-21.70M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$471.70M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$475.40M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$441.20M	USD	Annual
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$130.80M	USD	Annual
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$16.20M	USD	Annual
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$16.20M	USD	Annual
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$1.30M	USD	Annual
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-83.80M	USD	Annual
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-40.30M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-81.70M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-55.90M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-53.80M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$90.40M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$9.80M	USD	Annual
Other	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-38.70M	USD	Annual
Net cash flows from (used for) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$660.40M	USD	Annual
Net cash flows from (used for) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$521.60M	USD	Annual
Net cash flows from (used for) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$527.70M	USD	Annual
Utility construction and acquisition expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$1.54B	USD	Annual
Utility construction and acquisition expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$1.57B	USD	Annual
Utility construction and acquisition expenditures	`PaymentsToAcquireOtherPropertyPlantAndEquipment`	$1.28B	USD	Annual
Other construction and acquisition expenditures	`PaymentsToAcquireOtherProductiveAssets`	$185.10M	USD	Annual
Other construction and acquisition expenditures	`PaymentsToAcquireOtherProductiveAssets`	$101.70M	USD	Annual
Other construction and acquisition expenditures	`PaymentsToAcquireOtherProductiveAssets`	$65.60M	USD	Annual
Cash receipts on sold receivables	`ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables`	$605.30M	USD	Annual
Cash receipts on sold receivables	`ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables`	$461.80M	USD	Annual
Cash receipts on sold receivables	`ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables`	$413.20M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$38.20M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$28.30M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$60.40M	USD	Annual
Net cash flows used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.07B	USD	Annual
Net cash flows used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.29B	USD	Annual
Net cash flows used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.03B	USD	Annual
Common stock dividends	`PaymentsOfDividendsCommonStock`	$312.20M	USD	Annual
Common stock dividends	`PaymentsOfDividendsCommonStock`	$288.30M	USD	Annual
Common stock dividends	`PaymentsOfDividendsCommonStock`	$337.70M	USD	Annual
Proceeds from issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$149.60M	USD	Annual
Proceeds from issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$390.30M	USD	Annual
Proceeds from issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$196.60M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$950.00M	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.50B	USD	Annual
Proceeds from issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$550.00M	USD	Annual
Payments to retire long-term debt	`RepaymentsOfLongTermDebt`	$855.70M	USD	Annual
Payments to retire long-term debt	`RepaymentsOfLongTermDebt`	$256.50M	USD	Annual
Payments to retire long-term debt	`RepaymentsOfLongTermDebt`	$4.60M	USD	Annual
Net change in commercial paper and other short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	$171.10M	USD	Annual
Net change in commercial paper and other short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	$-103.80M	USD	Annual
Net change in commercial paper and other short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	$26.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-24.00M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-45.20M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-23.20M	USD	Annual
Net cash flows from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$532.60M	USD	Annual
Net cash flows from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$530.70M	USD	Annual
Net cash flows from (used for) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$619.10M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-8.40M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$20.80M	USD	Annual
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-7.80M	USD	Annual
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$25.50M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$17.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$13.10M	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$33.90M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$25.50M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$17.70M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$13.10M	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$33.90M	USD	Point-in-time
Interest	`InterestPaidNet`	$267.90M	USD	Annual
Interest	`InterestPaidNet`	$247.50M	USD	Annual
Interest	`InterestPaidNet`	$212.60M	USD	Annual
Income taxes, net	`IncomeTaxesPaidNet`	$-20.50M	USD	Annual
Income taxes, net	`IncomeTaxesPaidNet`	$5.00M	USD	Annual
Income taxes, net	`IncomeTaxesPaidNet`	$11.30M	USD	Annual
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$299.50M	USD	Annual
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$195.80M	USD	Annual
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$196.50M	USD	Annual
Beneficial interest obtained in exchange for securitized accounts receivable	`ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset`	$222.10M	USD	Annual
Beneficial interest obtained in exchange for securitized accounts receivable	`ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset`	$119.40M	USD	Annual
Beneficial interest obtained in exchange for securitized accounts receivable	`ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset`	$187.70M	USD	Annual

Stockholders Equity 41 line items

Line Item	Tag	Value	Unit	Period
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.42	USD	Annual
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.26	USD	Annual
Common stock dividends (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.34	USD	Annual
Beginning balance	`StockholdersEquity`	$5.21B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$4.59B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.41B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.79B	USD	Point-in-time
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$111.50M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$94.60M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$457.30M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$557.20M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$100.40M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$205.50M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$120.90M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$512.10M	USD	Annual
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$226.00M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$85.30M	USD	1 Quarter
Net income attributable to common shareowners	`NetIncomeLossAvailableToCommonStockholdersBasic`	$125.10M	USD	1 Quarter
Net income	`NetIncomeLoss`	$567.40M	USD	Annual
Net income	`NetIncomeLoss`	$522.30M	USD	Annual
Net income	`NetIncomeLoss`	$467.50M	USD	Annual
Common stock dividends	`DividendsCommonStock`	$312.20M	USD	Annual
Common stock dividends	`DividendsCommonStock`	$337.70M	USD	Annual
Common stock dividends	`DividendsCommonStock`	$288.30M	USD	Annual
Equity forward settlements, At-the-market offering program and Shareowner Direct Plan issuances	`ProceedsFromIssuanceOfCommonStock`	$149.60M	USD	Annual
Equity forward settlements, At-the-market offering program and Shareowner Direct Plan issuances	`ProceedsFromIssuanceOfCommonStock`	$390.30M	USD	Annual
Equity forward settlements, At-the-market offering program and Shareowner Direct Plan issuances	`ProceedsFromIssuanceOfCommonStock`	$196.60M	USD	Annual
Equity-based compensation plans and other	`StockholdersEquityOther`	$-4.80M	USD	Annual
Equity-based compensation plans and other	`StockholdersEquityOther`	$-10.00M	USD	Annual
Equity-based compensation plans and other	`StockholdersEquityOther`	$-1.70M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.20M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-400.00K	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-100.00K	USD	Annual
Ending balance	`StockholdersEquity`	$5.21B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$4.59B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.06B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.41B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.79B	USD	Point-in-time

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