$LNT
ALLIANT ENERGY CORP Stock $lnt

$lnt Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-Q Financial Statement

#000035254121000056 Filed on May 07, 2021

Income Statement

Concept	2021 Q1	2020 Q1
Revenue	$901.0M	$916.0M
YoY Change	-1.64%	-7.21%
Cost Of Revenue	$134.0M	$122.0M
YoY Change	9.84%	-0.81%
Gross Profit	$767.0M	$794.0M
YoY Change	-3.4%	-8.12%
Gross Profit Margin	85.13%	86.68%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$164.0M	$146.0M
YoY Change	12.33%	6.65%
% of Gross Profit	21.38%	18.39%
Operating Expenses	$603.0M	$642.4M
YoY Change	-6.13%	-6.74%
Operating Profit	$198.0M	$188.0M
YoY Change	5.32%	6.33%
Interest Expense	$69.00M	$69.00M
YoY Change	0.0%	4.07%
% of Operating Profit	34.85%	36.7%
Other Income/Expense, Net	-$52.00M	-$34.00M
YoY Change	52.94%	0.0%
Pretax Income	$146.0M	$154.0M
YoY Change	-5.19%	7.84%
Income Tax	-$28.00M	-$19.00M
% Of Pretax Income	-19.18%	-12.34%
Net Earnings	$174.0M	$173.0M
YoY Change	0.58%	35.47%
Net Earnings / Revenue	19.31%	18.89%
Basic Earnings Per Share
Diluted Earnings Per Share	$0.68	$705.6K
COMMON SHARES
Basic Shares Outstanding	250.0M shares	244.4M shares
Diluted Shares Outstanding	250.4M shares	244.6M shares

Balance Sheet

Concept	2021 Q1	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$14.00M	$55.00M
YoY Change	-74.55%	450.0%
Cash & Equivalents	$14.00M	$55.20M
Short-Term Investments
Other Short-Term Assets	$117.0M	$137.5M
YoY Change	-14.91%	-10.37%
Inventory	$204.0M	$221.0M
Prepaid Expenses
Receivables	$325.0M	$396.4M
Other Receivables	$218.0M	$236.0M
Total Short-Term Assets	$755.0M	$912.2M
YoY Change	-17.23%	11.9%
LONG-TERM ASSETS
Property, Plant & Equipment	$14.35B	$13.69B
YoY Change	4.88%	8.05%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$494.0M	$470.0M
YoY Change	5.11%	8.29%
Other Assets	$1.992B	$1.812B
YoY Change	9.92%	2389.42%
Total Long-Term Assets	$16.84B	$15.97B
YoY Change	5.46%	787.34%
TOTAL ASSETS
Total Short-Term Assets	$755.0M	$912.2M
Total Long-Term Assets	$16.84B	$15.97B
Total Assets	$17.59B	$16.88B
YoY Change	4.24%	7.42%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$307.0M	$375.4M
YoY Change	-18.22%	-3.17%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$336.0M	$270.5M
YoY Change	24.21%	-47.48%
Long-Term Debt Due	$308.0M	$357.2M
YoY Change	-13.77%	39.26%
Total Short-Term Liabilities	$1.408B	$1.650B
YoY Change	-14.68%	3.94%
LONG-TERM LIABILITIES
Long-Term Debt	$6.471B	$5.834B
YoY Change	10.92%	8.8%
Other Long-Term Liabilities	$364.0M	$349.7M
YoY Change	4.09%	-21.04%
Total Long-Term Liabilities	$6.835B	$6.184B
YoY Change	10.53%	6.52%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.408B	$1.650B
Total Long-Term Liabilities	$6.835B	$6.184B
Total Liabilities	$8.243B	$7.834B
YoY Change	5.22%	5.97%
SHAREHOLDERS EQUITY
Retained Earnings	$3.063B	$2.834B
YoY Change	8.09%	9.52%
Common Stock	$2.715B	$2.677B
YoY Change	1.43%	27.31%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$5.766B	$5.502B
YoY Change
Total Liabilities & Shareholders Equity	$17.59B	$16.88B
YoY Change	4.24%	7.42%

Cashflow Statement

Concept	2021 Q1	2020 Q1
OPERATING ACTIVITIES
Net Income	$174.0M	$173.0M
YoY Change	0.58%	35.47%
Depreciation, Depletion And Amortization	$164.0M	$146.0M
YoY Change	12.33%	6.65%
Cash From Operating Activities	$145.0M	$160.0M
YoY Change	-9.38%	-11.65%
INVESTING ACTIVITIES
Capital Expenditures	$214.0M	$278.0M
YoY Change	-23.02%	-25.67%
Acquisitions
YoY Change
Other Investing Activities	$16.00M	$13.00M
YoY Change	23.08%	7.44%
Cash From Investing Activities	-$38.00M	-$179.0M
YoY Change	-78.77%	-50.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$8.000M	$228.0M
YoY Change	-96.49%	317.58%
Debt Paid & Issued, Net	$0.00	$300.0M
YoY Change	-100.0%	99900.0%
Cash From Financing Activities	-$145.0M	$60.00M
YoY Change	-341.67%	-65.91%
NET CHANGE
Cash From Operating Activities	$145.0M	$160.0M
Cash From Investing Activities	-$38.00M	-$179.0M
Cash From Financing Activities	-$145.0M	$60.00M
Net Change In Cash	-$38.00M	$41.00M
YoY Change	-192.68%	-632.47%
FREE CASH FLOW
Cash From Operating Activities	$145.0M	$160.0M
Capital Expenditures	$214.0M	$278.0M
Free Cash Flow	-$69.00M	-$118.0M
YoY Change	-41.53%	-38.83%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000352541
CY2021Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2021Q1	dei	Amendment Flag AmendmentFlag	false
CY2021Q1	dei	Document Type DocumentType	10-Q
CY2021Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2021Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021Q1	dei	Document Period End Date DocumentPeriodEndDate	2021-03-31
CY2021Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2021Q1	dei	Entity Registrant Name EntityRegistrantName	ALLIANT ENERGY CORP
CY2021Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WI
CY2021Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	4902 N. Biltmore Lane
CY2021Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Madison
CY2021Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
CY2021Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	53718
CY2021Q1	dei	City Area Code CityAreaCode	608
CY2021Q1	dei	Local Phone Number LocalPhoneNumber	458-3311
CY2021Q1	dei	Entity File Number EntityFileNumber	1-9894
CY2021Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	39-1380265
CY2021Q1	dei	Security12b Title Security12bTitle	Common Stock, $0.01 Par Value
CY2021Q1	dei	Trading Symbol TradingSymbol	LNT
CY2021Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2021Q1	dei	Entity Shell Company EntityShellCompany	false
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	250134552	shares
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CY2021Q1	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	170000000	USD
CY2020Q1	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	152000000	USD
CY2021Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	13000000	USD
CY2020Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	12000000	USD
CY2021Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	17000000	USD
CY2020Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	22000000	USD
CY2021Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	901000000	USD
CY2020Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	916000000	USD
CY2021Q1	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	133000000	USD
CY2020Q1	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	184000000	USD
CY2021Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	134000000	USD
CY2020Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	122000000	USD
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CY2020Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	146000000	USD
CY2021Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	26000000	USD
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CY2020Q1	us-gaap	Costs And Expenses CostsAndExpenses	728000000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	198000000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	188000000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	69000000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	69000000	USD
CY2021Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15000000	USD
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CY2021Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	4000000	USD
CY2020Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	23000000	USD
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CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1000000	USD
CY2021Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-52000000	USD
CY2020Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-34000000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	146000000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	154000000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-28000000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-19000000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	174000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	173000000	USD
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CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	170000000	USD
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	250000000.0	shares
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CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	244600000	shares
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CY2020Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.70
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CY2021Q1	us-gaap	Energy Related Inventory Other Fossil Fuel EnergyRelatedInventoryOtherFossilFuel	57000000	USD
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CY2021Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	95000000	USD
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CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2021Q1	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	11000000	USD
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CY2021Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	24000000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	3000000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	145000000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	160000000	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	214000000	USD
CY2020Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	278000000	USD
CY2021Q1	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	17000000	USD
CY2020Q1	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	11000000	USD
CY2021Q1	us-gaap	Proceeds From Collection Of Retained Interest In Securitized Receivables ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables	209000000	USD
CY2020Q1	us-gaap	Proceeds From Collection Of Retained Interest In Securitized Receivables ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables	123000000	USD
CY2021Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	16000000	USD
CY2020Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13000000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-38000000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-179000000	USD
CY2021Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	102000000	USD
CY2020Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	93000000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8000000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	228000000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	300000000	USD
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2020Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	300000000	USD
CY2021Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-53000000	USD
CY2020Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-67000000	USD
CY2021Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	2000000	USD
CY2020Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-8000000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-145000000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	60000000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-38000000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	41000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	56000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	18000000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	18000000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	59000000	USD
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	59000000	USD
CY2020Q1	us-gaap	Interest Paid Net InterestPaidNet	65000000	USD
CY2021Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	64000000	USD
CY2020Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	156000000	USD
CY2021Q1	us-gaap	Consideration Received For Beneficial Interest Obtained For Transferring Financial Asset ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset	107000000	USD
CY2020Q1	us-gaap	Consideration Received For Beneficial Interest Obtained For Transferring Financial Asset ConsiderationReceivedForBeneficialInterestObtainedForTransferringFinancialAsset	188000000	USD
CY2021Q1	us-gaap	Use Of Estimates UseOfEstimates	A change in management’s estimates or assumptions could have a material impact on financial condition and results of operations during the period in which such change occurred.
CY2021Q1	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain prior period amounts in the Financial Statements and Notes have been reclassified to conform to the current period presentation for comparative purposes.
CY2021Q1	us-gaap	Regulatory Assets RegulatoryAssets	2007000000	USD
CY2020Q4	us-gaap	Regulatory Assets RegulatoryAssets	2010000000	USD
CY2021Q1	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1255000000	USD
CY2020Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	1306000000	USD
CY2021Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15000000	USD
CY2020Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	13000000	USD
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	249868415	shares
CY2021Q1	lnt	Shares Of Stock Issued Shareowner Direct Plan SharesOfStockIssuedShareownerDirectPlan	152588	shares
CY2021Q1	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	113549	shares
CY2021Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	250134552	shares
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5888000000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	171000000	USD
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.4025
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	102000000	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8000000	USD
CY2021Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	-1000000	USD
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5966000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5405000000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	170000000	USD
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.38
CY2020Q1	us-gaap	Dividends Common Stock DividendsCommonStock	93000000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	228000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1000000	USD
CY2020Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5702000000	USD
CY2021Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	336000000	USD
CY2021Q1	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.002
CY2021Q1	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	664000000	USD
CY2021Q1	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	578000000	USD
CY2020Q1	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	463000000	USD
CY2021Q1	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	424000000	USD
CY2020Q1	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	382000000	USD
CY2021Q1	us-gaap	Short Term Debt Weighted Average Interest Rate Over Time ShortTermDebtWeightedAverageInterestRateOverTime	0.002
CY2020Q1	us-gaap	Short Term Debt Weighted Average Interest Rate Over Time ShortTermDebtWeightedAverageInterestRateOverTime	0.018
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	901000000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	916000000	USD
CY2021Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.19
CY2020Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.12
CY2021Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3000000	USD
CY2020Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3000000	USD
CY2021Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1000000	USD
CY2020Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1000000	USD
CY2021Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	13000000	USD
CY2021Q1	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	8000000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	44000000	USD
CY2021Q1	lnt	Fair Value Of Deferred Proceeds Of Receivables Sold FairValueOfDeferredProceedsOfReceivablesSold	107000000	USD
CY2020Q4	lnt	Fair Value Of Deferred Proceeds Of Receivables Sold FairValueOfDeferredProceedsOfReceivablesSold	188000000	USD
CY2021Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	7614000000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8109000000	USD
CY2021Q1	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	1174000000	USD
CY2021Q1	lnt	Individual Commitments Incurred IndividualCommitmentsIncurred	1000000	USD
CY2021Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	901000000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	198000000	USD
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	171000000	USD
CY2020Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	916000000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	188000000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	170000000	USD

Files In Submission

Name	View Source	Status
0000352541-21-000056-index-headers.html	Edgar Link	pending
0000352541-21-000056-index.html	Edgar Link	pending
0000352541-21-000056.txt	Edgar Link	pending
0000352541-21-000056-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
lnt-20210331.htm	Edgar Link	pending
lnt-20210331.xsd	Edgar Link	pending
lnt-20210331_cal.xml	Edgar Link	unprocessable
lnt-20210331_def.xml	Edgar Link	unprocessable
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lnt-20210331_htm.xml	Edgar Link	completed
lnt-20210331_lab.xml	Edgar Link	unprocessable
lnt-20210331_pre.xml	Edgar Link	unprocessable
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$LNT
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2021 Q1 Form 10-Q Financial Statement

#000035254121000056 Filed on May 07, 2021

Income Statement

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Facts In Submission

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$LNT ALLIANT ENERGY CORP Stock $lnt

2021 Q1 Form 10-Q Financial Statement

#000035254121000056 Filed on May 07, 2021

Income Statement

Balance Sheet

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Facts In Submission

Files In Submission

$LNT
ALLIANT ENERGY CORP Stock $lnt