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Disclosure - Leases (Details) Sheet http://www.iplpower.com/role/LeasesDetails Leases (Details) Details http://www.iplpower.com/role/LeasesTables 44 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy in us-gaap/2023 used in 1 facts was deprecated in us-gaap/2024 as of 2024 and should not be used. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:RepaymentsOfShortTermDebt has a value of -392000000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:RepaymentsOfShortTermDebt fact are: Context: c-1, Unit: usd, Rule Element Id: 2844. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders has a value of -52000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders fact are: Context: c-1, Unit: usd, Rule Element Id: 2730. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:PaymentsToMinorityShareholders has a value of -52000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:PaymentsToMinorityShareholders fact are: Context: c-1, Unit: usd, Rule Element Id: 2858. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetRetirementObligationLiabilitiesSettled has a value of -1098000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetRetirementObligationLiabilitiesSettled fact are: Context: c-1, Unit: usd, Rule Element Id: 2687. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:AssetRetirementObligationLiabilitiesSettled has a value of -3025000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:AssetRetirementObligationLiabilitiesSettled fact are: Context: c-5, Unit: usd, Rule Element Id: 2687. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation has a value of -1264000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation fact are: Context: c-6, Unit: usd, Rule Element Id: 2102. cik0000728391-20240331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation has a value of -1222000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation fact are: Context: c-9, Unit: usd, Rule Element Id: 2102. cik0000728391-20240331.htm 4 [DQC.US.0078.7655] The filer has reported a value for the element us-gaap:MinorityInterestOwnershipPercentageByParent with a value of 1.000000 without using the axis OwnershipAxis. This axis must be used when reporting a value for us-gaap:MinorityInterestOwnershipPercentageByParent. Please refer to the FASB implementation guide on Dimensional Modeling for Disclosures of Consolidated and Nonconsolidated Entities on the FASB website. The properties of this us-gaap:MinorityInterestOwnershipPercentageByParent fact are: Context: c-6 Unit: number. - cik0000728391-20240331.htm 4 - cik0000728391-20240331.htm 4 [DQC.US.0099.9533] The following elements are in the presentation linkbase of http://www.iplpower.com/role/UnauditedCondensedConsolidatedStatementsOfOperations but are not included in any calculation relationship in the filing. BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss, OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest All elements appearing in the face of the financial statements should be included in a calculation relationship somewhere in the filing. Items not included in the financial statement calculations but included in the presentation are referred to as parenthetical items. These usually appear as a referenced item, or as a value in parenthesis describing that the value reported includes another specific amount. These values should be reported in a seperate link role for parenthetical items. This rule will produce an error irrespective of a fact value being entered for the item(s) listed above. If the item is an additional disclosure in the income statement statement then make sure that is included as a child of one of the following abstract items: ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract, SupplementalIncomeStatementElementsAbstract - cik0000728391-20240331.htm - cik0000728391-20240331.htm [DQC.US.0099.9533] The following elements are in the presentation linkbase of http://www.iplpower.com/role/UnauditedCondensedConsolidatedStatementsofComprehensiveIncomeStatement but are not included in any calculation relationship in the filing. NetIncomeLossAttributableToNoncontrollingInterest, OtherComprehensiveIncomeLossBeforeTax, OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent, OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax, OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax, OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax, OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax, OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax All elements appearing in the face of the financial statements should be included in a calculation relationship somewhere in the filing. Items not included in the financial statement calculations but included in the presentation are referred to as parenthetical items. These usually appear as a referenced item, or as a value in parenthesis describing that the value reported includes another specific amount. These values should be reported in a seperate link role for parenthetical items. This rule will produce an error irrespective of a fact value being entered for the item(s) listed above. If the item is an additional disclosure in the income statement statement then make sure that is included as a child of one of the following abstract items: ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract, SupplementalIncomeStatementElementsAbstract - cik0000728391-20240331.htm - cik0000728391-20240331.htm [DQC.US.0099.9533] The following elements are in the presentation linkbase of http://www.iplpower.com/role/UnauditedCondensedConsolidatedBalanceSheets but are not included in any calculation relationship in the filing. AllowanceForDoubtfulAccountsReceivableCurrent, DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent, DerivativeAssets, DerivativeAssetsNoncurrent, MinorityInterest All elements appearing in the face of the financial statements should be included in a calculation relationship somewhere in the filing. Items not included in the financial statement calculations but included in the presentation are referred to as parenthetical items. These usually appear as a referenced item, or as a value in parenthesis describing that the value reported includes another specific amount. These values should be reported in a seperate link role for parenthetical items. This rule will produce an error irrespective of a fact value being entered for the item(s) listed above. If the item is an additional disclosure in the income statement statement then make sure that is included as a child of one of the following abstract items: ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract, SupplementalIncomeStatementElementsAbstract - cik0000728391-20240331.htm - cik0000728391-20240331.htm [DQC.US.0099.9533] The following elements are in the presentation linkbase of http://www.iplpower.com/role/UnauditedCondensedConsolidatedStatementsOfCashFlows but are not included in any calculation relationship in the filing. ChangeInRightOfUseAssetLeaseLiability, GainLossOnDispositionOfIntangibleAssets, IncreaseDecreaseInDeferredIncomeTaxes, IncreaseDecreaseInOtherNoncurrentLiabilities, MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders, PaymentsToAcquireBusinessesNetOfCashAcquired, ProceedsFromInsuranceSettlementInvestingActivities, ProceedsFromShortTermDebt, RepaymentsOfShortTermDebt, RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability All elements appearing in the face of the financial statements should be included in a calculation relationship somewhere in the filing. Items not included in the financial statement calculations but included in the presentation are referred to as parenthetical items. These usually appear as a referenced item, or as a value in parenthesis describing that the value reported includes another specific amount. These values should be reported in a seperate link role for parenthetical items. This rule will produce an error irrespective of a fact value being entered for the item(s) listed above. If the item is an additional disclosure in the cash flow statement then make sure that is included as a child of one of the following abstract items: {nonCFabstracts} - cik0000728391-20240331.htm - cik0000728391-20240331.htm cik0000728391-20240331.htm cik0000728391-20240331.xsd cik0000728391-20240331_cal.xml cik0000728391-20240331_def.xml cik0000728391-20240331_lab.xml cik0000728391-20240331_pre.xml cik0000728391-20240331_g1.jpg http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 true true