Commodity Hedge Commodity Hedge [Member] Commodity Hedge Intangible Asset, Finite-Lived, Remaining Amortization Period Intangible Asset, Finite-Lived, Remaining Amortization Period Earnings from Tax Attributes Earnings from Tax Attributes Earnings from Tax Attributes FTRs [Member] Financial Transmission Rights [Member] Financial Transmission Rights [Member] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax, Parent Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax, Parent Sale of Units Derivative Instruments Financial Transmission Rights Sale of Units Derivative Instruments Financial Transmission Rights Sale of Units Derivative Instruments Financial Transmission Rights Subsequent Event [Member] Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Eagle Valley uncollectible outage costs Eagle Valley uncollectible outage costs, net Previously deferred costs as a result of the unplanned CCGT outage at Eagle Valley that AES Indiana agreed not to recover. Customer [Axis] Customer [Axis] Derivative Instruments and Hedges, Noncurrent Derivative Instruments and Hedges, Noncurrent Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Payments of Financing Costs Payment, Tax Withholding, Share-Based Payment Arrangement Interest Expense Interest Expense, Operating and Nonoperating Proceeds from Hedge, Financing Activities Proceeds from Hedge, Financing Activities Revenue from External Customers by Products and Services [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table] Other Assets, Miscellaneous, Noncurrent Other Assets, Miscellaneous, Noncurrent Benefit Plans Retirement Benefits [Text Block] Lessee, Finance Leases Lessee, Finance Leases [Text Block] Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Line of Credit [Member] Line of Credit [Member] Expected return on assets Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Derivative Instrument [Axis] Derivative Instrument [Axis] Petersburg Energy Storage Project MwH Petersburg Energy Storage Project MwH Petersburg Energy Storage Project MwH Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss Pension and other postretirement benefit assets and liabilities Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Regulatory Liability, Noncurrent Total long-term regulatory liabilities Regulatory Liability, Noncurrent Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] CURRENT LIABILITIES: Liabilities, Current [Abstract] Accounts Receivable, Credit Loss Expense (Reversal) Accounts Receivable, Credit Loss Expense (Reversal) Common Stock, Shares, Outstanding Entity Common Stock, Shares Outstanding Conservation Expenditure Conservation Expenditure [Member] Conservation Expenditure Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Allowance for equity funds used during construction Allowance for equity funds used during construction Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity 3.45% Senior Secured Notes [Member] Three Point Four Five Percent Senior Secured Notes [Member] Three Point Four Five Percent Senior Secured Notes [Member] Proceeds from Contributed Capital Proceeds from Contributed Capital Finance Lease, Right-of-Use Asset, before Accumulated Amortization Finance Lease, Right-of-Use Asset, before Accumulated Amortization Project development intangible assets Project development intangible assets Project development intangible assets FMB Twenty - three FMB Twenty - three [Member] FMB Twenty - three Leases [Abstract] Leases [Abstract] Debt due date Debt Instrument, Maturity Date Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Total non-current liabilities Liabilities, Noncurrent Lessor, Operating Lease, Assumptions and Judgments, Value of Underlying Asset, Amount Property, Plant, and Equipment, Lessor Asset under Operating Lease, before Accumulated Depreciation Increase (Decrease) in Current Regulatory Assets and Liabilities Increase (Decrease) in Current Regulatory Assets and Liabilities The increase (decrease) during the reporting period in the value of assets that are created when regulatory agencies permit public utilities to defer costs (revenues) to the balance sheet. This element is the increase (decrease) of current regulatory assets and liabilities combined Consolidated Entities [Domain] Consolidated Entities [Domain] Payments to Noncontrolling Interests Payments to Noncontrolling Interests Payments to Noncontrolling Interests Revenue Type [Domain] Revenue Type [Domain] Revenue Type Estimated Annual Effective Income Tax Rate Estimated Annual Effective Income Tax Rate Estimated Annual Effective Income Tax Rate Asset Retirement Obligation, Liabilities Settled Asset Retirement Obligation, Liabilities Settled Schedule of Cash and Cash Equivalents [Table Text Block] Schedule of Cash and Cash Equivalents [Table Text Block] $30M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds [Abstract] $30M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds [Abstract] $30M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds UTILITY PLANT: Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province Segment Reporting, Long-Lived Asset, Expenditure for Addition Segment Reporting, Long-Lived Asset, Expenditure for Addition Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Intangible Asset, Excluding Goodwill, after Accumulated Amortization Intangible Asset, Excluding Goodwill, after Accumulated Amortization Accrued and other current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Derivative, Notional Amount Derivative, Notional Amount Retirement Benefits [Abstract] Retirement Benefits [Abstract] First mortgage bonds Secured Debt Secured Debt First Mortgage Bond 6.05% Due October 2036 [Member] First Mortgage Bond Fourteen [Member] First Mortgage Bond Fourteen [Member] Asset Retirement Obligation Asset Retirement Obligation Regulatory assets Total long-term regulatory assets Regulatory Asset, Noncurrent Financing Receivable, before Allowance for Credit Loss, Proceeds for Loan Repayment Financing Receivable, before Allowance for Credit Loss, Proceeds for Loan Repayment Number of Reportable Segments Number of Reportable Segments Accounting Standards Update [Axis] Accounting Standards Update [Axis] Total current liabilities Liabilities, Current Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Axis] Regulatory Liability [Axis] Regulatory Liability [Axis] Environmental Remediation Contingency [Domain] Environmental Remediation Contingency [Domain] Taxes other than income taxes Taxes, Miscellaneous $30M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds to fixed rates of 4.90% [Abstract] $30M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds to fixed rates of 4.90% [Abstract] $30M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds to fixed rates of 4.90% Allowance for Funds Used During Construction, Equity Portion Allowance for Funds Used During Construction, Equity Portion Allowance for Funds Used During Construction, Equity Portion Schedule of Derivative Instruments [Table Text Block] Schedule of Derivative Instruments [Table Text Block] First Mortgage Bond 6.60% Due January 2034 [Member] First Mortgage Bond Thirteen [Member] First Mortgage Bond Thirteen [Member] Allowance for Credit Losses [Table Text Block] Allowance for Credit Losses [Table Text Block] Allowance for credit losses related to accounts receivable. Revenue from Contract with Customer, Including Assessed Tax Revenue from Contract with Customer, Including Assessed Tax Entity Address, City or Town Entity Address, City or Town First Mortgage Bond 4.875% Due November 2041 [Member] First Mortgage Bond Sixteen [Member] First Mortgage Bond Sixteen [Member] Taxes Payable Taxes Payable Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Payments of Ordinary Dividends, Preferred Stock and Preference Stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Class of Stock [Axis] Class of Stock [Axis] Line of Credit Facility, Accordion Feature Increase Limit Line of Credit Facility, Accordion Feature Increase Limit Line of Credit Facility, Accordion Feature Increase Limit Derivative, Nonmonetary Notional Amount Derivative, Nonmonetary Notional Amount Net Income (Loss) Available to Common Stockholders, Basic NET INCOME ATTRIBUTABLE TO COMMON STOCK Net Income (Loss) Available to Common Stockholders, Basic Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Lessor, Operating Lease, Payment to be Received, Year Three Lessor, Operating Lease, Payment to be Received, Year Three Less: Current Portion of Long-term Debt Long-Term Debt, Current Maturities Parent Company [Member] Ipalco Enterprises, Inc. [Member] Parent Company [Member] FMB Twenty Seven FMB Twenty Seven [Member] FMB Twenty Seven Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Capital Expenditures Incurred but Not yet Paid Capital Expenditures Incurred but Not yet Paid Limited Partners' Contributed Capital Limited Partners' Contributed Capital Bank Term Loan Maturing July 2020 [Member] Bank Term Loan Maturing July 2020 [Member] Bank Term Loan Maturing July 2020 [Member] Segment Reporting [Table Text Block] Segment Reporting [Table Text Block] Use Of Management Estimates Use of Estimates, Policy [Policy Text Block] Unsecured Debt [Member] Unsecured Debt [Member] Repayments under revolving credit facilities Repayments of Lines of Credit Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Non-cash Contributions from Noncontrolling Interests Related to Tax Credit Transfers Non-cash Contributions from Noncontrolling Interests Related to Tax Credit Transfers Non-cash Contributions from Noncontrolling Interests Related to Tax Credit Transfers Long-term debt Long-term Debt Long-Term Debt Property Subject to or Available for Operating Lease, Accumulated Depreciation Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation Proceeds from Debt, Net of Issuance Costs Proceeds from Debt, Net of Issuance Costs Document Period End Date Document Period End Date Change in certain assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Residential Revenue Residential Revenue [Member] Residential Revenue ARO and accrual asset removal costs [Member] Asset Retirement Obligation Costs [Member] Business Segment Information [Abstract] Business Segment Information [Abstract] Business Segment Information [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Finance Lease, Liability, to be Paid, Next Rolling 12 Months Finance Lease, Liability, to be Paid, Next Rolling 12 Months Subsidiaries [Member] Indianapolis Power And Light Company [Member] Subsidiaries [Member] Face Value Debt Instrument, Face Amount Equity Equity [Text Block] Derivative, Amount of Hedged Item Derivative, Amount of Hedged Item Unaudited Condensed Statement of Common Shareholders' Equity [Abstract] Unaudited Condensed Statement of Common Shareholders' Equity [Abstract] Unaudited Condensed Statement of Common Shareholders' Equity [Abstract] Debt Instrument, Interest Rate, Effective Percentage Debt Instrument, Interest Rate, Effective Percentage Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Pike Co Bess First Sell Down Pike Co Bess First Sell Down [Member] Pike Co Bess First Sell Down Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Financial and Nonfinancial Liabilities, Fair Value Disclosure Liabilities, Fair Value Disclosure Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] interest rate hedge interest rate hedge [Member] interest rate hedge Total Future Lease Payments Total Future Lease Payments Total future lease payments under finance leases Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Obligations Obligations [Member] Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Interest Payable, Current Interest Payable, Current Number of customers Number of Customers Number of Retail Customers AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Document Fiscal Period Focus Document Fiscal Period Focus Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items] Three Point Eight Seven Five Percent First Mortgage Bonds [Member] Three Point Eight Seven Five Percent First Mortgage Bonds [Member] Three Point Eight Seven Five Percent First Mortgage Bonds - includes $55 million and $40 million bonds. Liabilities Liabilities Liabilities Geographical [Domain] Geographical [Domain] Accrued taxes payable/receivable Increase (Decrease) in Property and Other Taxes Payable Derivative Instruments Not Designated as Hedging Instruments, Gain Derivative Instruments Not Designated as Hedging Instruments, Gain Cost of Goods and Services Sold Utilities Operating Expense, Purchased Power Emissions Allowance Emissions Allowance Emissions Allowance Approved increase to basic rates and charges Public Utilities, Approved Rate Increase (Decrease), Amount Other Long-Term Debt, Current Other Long-Term Debt, Current Revenue [Abstract] Revenue [Abstract] Revenue [Abstract] Environmental Mitigation Project Costs Environmental Mitigation Project Costs $5 million environmental mitigation project consisting of the construction and operation of a new, non-emitting source of generation at the site Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Payments of Ordinary Dividends, Noncontrolling Interest Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Amortization of deferred financing costs and debt discounts Amortization of Debt Issuance Costs and Discounts OPERATING EXPENSES: Utilities Operating Expense [Abstract] Environmental Facilities Refunding Revenue Notes [Member] Environmental Facilities Refunding Revenue Notes [Member] Environmental Facilities Refunding Revenue Notes [Member] Finance Lease Term Finance Lease Term [Policy Text Block] Finance lease weighted average remaining lease term & discount rate Unrealized Gain (Loss) on Derivatives Unrealized Gain (Loss) on Derivatives Non-cash investing activities: Noncash Investing and Financing Items [Abstract] Subsidiary, Ownership Percentage, Parent Subsidiary, Ownership Percentage, Parent Allowance for equity funds used during construction Increase (Decrease) in Allowance for Equity Funds Used During Construction Credit Facility [Domain] Credit Facility [Domain] Asset Class [Domain] Asset Class [Domain] Lease Balance Sheet Components Lease Balance Sheet Components [Table Text Block] Lease Balance Sheet Components Notes Price to Public of Principal Amount (Percentage) Notes Price to Public of Principal Amount (Percentage) Notes Price to Public of Principal Amount (Percentage) CASH FLOWS FROM OPERATIONS: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Sale of Derivative Instruments Interest Rate Swap Sale of Derivative Instruments Interest Rate Swap Sale of Derivative Instruments Interest Rate Swap Error Correction, Type [Axis] Error Correction, Type [Axis] Gain (Loss) on Disposition of Intangible Assets Gain (Loss) on Disposition of Intangible Assets Environmental Facilities Refunding Revenue Notes, Series 2015B [Member] Environmental Facilities Refunding Revenue Notes, Series 2015B [Member] Environmental Facilities Refunding Revenue Notes, Series 2015B [Member] Public Utility [Axis] Public Utility [Axis] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Proceeds from Issuance of First Mortgage Bond Proceeds from Issuance of First Mortgage Bond Accrued other postretirement benefits Liability, Defined Benefit Plan, Noncurrent Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Large Commercial and Industrial Large Commercial and Industrial [Member] Large Commercial and Industrial Finance Lease, Liability, to be Paid, Year Four Finance Lease, Liability, to be Paid, Year Four Borrowings under revolving credit facilities Proceeds from Lines of Credit Deferred income taxes and investment tax credit adjustments - net Deferred Income Taxes and Tax Credits Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Entities [Table] Entities [Table] Regulatory Asset [Axis] Regulatory Asset [Axis] Derivative Liability, Fair Value, Gross Liability Derivative Liability, Subject to Master Netting Arrangement, before Offset 2034 IPALCO Senior Notes 2034 IPALCO Senior Notes [Member] 2034 IPALCO Senior Notes Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] First Mortgage Bond 6.60% Due June 2037 [Member] First Mortgage Bond Fifteen [Member] First Mortgage Bond Fifteen [Member] Preferred Resource Portfolio Coal-Fired Generation Retirement by 2023 MW test capability Preferred Resource Portfolio Coal-Fired Generation Retirement by 2023 MW test capability Preferred Resource Portfolio Coal-Fired Generation Retirement at Petersburg Units 1 and 2 in 2021 and 2023 MW test capability Proceeds from Secured Lines of Credit Proceeds from Secured Lines of Credit Revenue from Contracts with Customers Revenue from Contracts with Customers [Table Text Block] Revenue from Contracts with Customers Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other Receivables Other Receivables Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Electric [Member] Electric [Member] Electric [Member] Cash Flow Hedge, Hedging Exposure, Maximum Period Cash Flow Hedge, Hedging Exposure, Maximum Period Cost of Revenue [Abstract] Cost of Revenue [Abstract] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Imputed interest Imputed interest Imputed interest Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] ITC ITC [Member] ITC Retail Revenue [Member] Retail Revenue [Member] Retail Revenue [Member] Receivables from Customers Receivable from Customer in Brokerage State and federal income tax rate Effective Income Tax Rate Reconciliation, Percent Proceeds from Contribution in Aid of Construction, Investing Activity Proceeds from Contribution in Aid of Construction, Investing Activity Operating Lease, Payments, Use Operating Lease, Payments, Use Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Fixed Rate [Member] Fixed Rate [Member] Fixed Rate [Member] Derivative, Notional Amount Derivative, Notional Amount, Purchase (Sales), Net Derivative, Notional Amount, Purchase (Sales), Net Derivative, Notional Amount, Purchase (Sales), Net Asset Retirement Obligation, Liabilities Incurred Asset Retirement Obligation, Liabilities Incurred Regulated Operations [Abstract] Regulated Operations [Abstract] FMB Twenty - one [Member] FMB Twenty One [Member] FMB Twenty One Schedule of Asset Retirement Obligations [Table Text Block] Schedule of Asset Retirement Obligations [Table Text Block] Capital Unit [Line Items] Capital Unit [Line Items] Schedule Of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Interest and Debt Expense Interest and Debt Expense Committed Line of Credit [Member] Committed Line of Credit [Member] Committed Line of Credit Customer Credit Customer Credit Customer Credit for future rate cases Accumulated Other Income (Loss) Accumulated Other Income (Loss) Accumulated Other Income (Loss) frozen at date of de-designation of swaps as cash flow hedges. Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Reporting [Text Block] Segment Reporting [Text Block] Stock Issued During Period, Value, Other Stock Issued During Period, Value, Other Line of credit, outstanding borrowings Long-Term Line of Credit 5.65% debt due in 2032 5.65% mortgage bonds due in 2032 [Member] 5.65% mortgage bonds due in 2032 Payments of Ordinary Dividends, Common Stock Payments of Ordinary Dividends, Common Stock Payments of Ordinary Dividends, Common Stock Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Investments, Fair Value Disclosure Investments, Fair Value Disclosure Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Restricted Cash and Cash Equivalent Restricted Cash and Cash Equivalent Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Equity, Including Portion Attributable to Noncontrolling Interest AES U.S. Investments [Member] Aes U.S. Investments [Member] AES U.S. Investments [Member] AES U.S. Investments [Member] Allowance for Funds Used During Construction Allowance for Funds Used During Construction [Table Text Block] Allowance for Funds Used During Construction, Capitalized Costs of Debt & Equity Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Public Utilities, Disclosure of Rate Matters Public Utilities, Disclosure of Rate Matters Unbilled Receivables, Current Unbilled Receivables, Current Unsecured Debt Unsecured Debt Public Utilities, Requested Rate Increase (Decrease), Amount Public Utilities, Requested Rate Increase (Decrease), Amount Dividends, Common Stock Dividends, Common Stock Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Lessor, Operating Lease, Payment to be Received, after Year Five Lessor, Operating Lease, Payment to be Received, after Year Five Derivative [Table] Derivative [Table] Common Stock, Shares Authorized Common Stock, Shares Authorized Forward Power Contracts Fair Value Disclosure Forward Power Contracts Fair Value Disclosure Forward Power Contracts Fair Value Disclosure Four Point Two Five Percent Senior Secured Notes Three Point Four Five Percent Senior Secured Notes [Member] Four Point Two Five Percent Senior Secured Notes [Member] Four Point Two Five Percent Senior Secured Notes [Member] Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Error Correction, Type [Domain] Error Correction, Type [Domain] Segment Reporting [Line Items] Segment Reporting [Line Items] 5.00% Senior Secured Notes [Member] Five Point Zero Zero Percent Senior Secured Notes [Member] Five Point Zero Zero Percent Senior Secured Notes [Member] Document Quarterly Report Document Quarterly Report Lessor, Operating Lease, Payment to be Received, Year One Lessor, Operating Lease, Payment to be Received, Year One Segments [Domain] Segments [Domain] Interest Rate Swap [Member] Interest Rate Swap [Member] Indebtedness Debt Disclosure [Text Block] Equity, Capital Unit or Share [Table] Equity, Capital Unit or Share [Table] Repayments of long-term borrowings Repayments of Long-Term Debt Unamortized deferred financing costs Deferred financing costs Debt Issuance Costs, Net Miscellaneous revenue [Member] Miscellaneous revenue [Member] Miscellaneous revenue [Member] Lease Contractual Term [Axis] Lease Contractual Term [Axis] Equity Component [Domain] Equity Component [Domain] Regulatory Matters [Line Items] Regulatory Matters [Line Items] Regulatory Matters [Line Items] Payments for Environmental Liabilities Payments for Environmental Liabilities Deferred Costs Deferred Costs Costs and Expenses Costs and Expenses Probable Insurance Recoveries Receivables Probable Insurance Recoveries Receivables Receivables for insurance recoveries determined to be probable recorded in "Prepayments and other current assets" and "Other non-current assets" on the accompanying Unaudited Condensed Consolidated Balance Sheets. Inventory, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Finance Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Counterparty Name [Domain] Counterparty Name [Domain] Debt, stated interest rate Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Purchase of Units Derivative Instruments Financial Transmission Rights Purchase of Units Derivative Instruments Financial Transmission Rights The aggregate notional amount of contracts to purchase financial transmission rights Total common shareholders' equity Stockholders' Equity Attributable to Parent Equity, Attributable to Parent Nonoperating Income (Expense) Total other expense, net Nonoperating Income (Expense) Investment Tax Credit Investment Tax Credit Assets for Plan Benefits, Defined Benefit Plan Assets for Plan Benefits, Defined Benefit Plan ASSETS Assets [Abstract] Forward power contracts Forward power contracts [Member] Forward power contracts Regulatory Agency [Axis] Regulatory Agency [Axis] $400M Term Loan $400M Term Loan [Member] $400M Term Loan Utility Utility [Member] Utility Accounting Policies [Abstract] Accounting Policies [Abstract] Receivables from Contracts with Customers Receivables from Contracts with Customers [Table Text Block] Receivables from Contracts with Customers Public Utilities, Requested Return on Equity, Percentage Public Utilities, Requested Return on Equity, Percentage Finance Lease, Liability Finance Lease, Liability Regulatory Agency [Domain] Regulatory Agency [Domain] Direct Financing Lease, Lease Income Direct Financing Lease, Lease Income [Table Text Block] Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss, Current Hardy Hills Solar Project MW Hardy Hills Solar Project MW Hardy Hills Solar Project MW Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Regulatory assets Total current regulatory assets Regulatory Asset, Current Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Electric generation capability for summer, megawatts Electric generation capability for summer, megawatts Electric generation capability for summer, megawatts Business Combination [Domain] Business Combination [Domain] Letter of Credit [Member] Letter of Credit [Member] Commitments And Contingencies Commitments and Contingencies Disclosure [Text Block] Operating Lease, Lease Income Operating Lease, Lease Income Distance of furthest customer from Indianapolis Distance of Furthest Customer from Indianapolis Distance of Furthest Customer from Indianapolis Construction in Progress, Gross Construction in Progress, Gross Short-Term Bank Loans and Notes Payable Short-Term Bank Loans and Notes Payable Utility plant in service - net Property, Plant and Equipment, Plant In Service, Net Public utilities, property, plant and equipment, plant in service, net Entity Central Index Key Entity Central Index Key Crossvine Project Crossvine Project Solar MW Crossvine Project Solar MW Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Seven Point Two Five Percent Senior Secured Notes [Member] Seven Point Two Five Percent Senior Secured Notes [Member] Seven Point Two Five Percent Senior Secured Notes [Member] Equity [Abstract] Equity [Abstract] Business Combination [Axis] Business Combination [Axis] Eagle Valley [Member] Eagle Valley [Member] Eagle Valley [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Asset Retirement Obligation [Table] Asset Retirement Obligation [Table] Asset Retirement Obligation [Table] AES U.S. Holdings, LLC [Member] AES U.S. Holdings, LLC [Member] AES U.S. Holdings, LLC [Member] Monrovia Project ESA Estimated Benefit Monrovia Project ESA Estimated Benefit Monrovia Project ESA Estimated Benefit Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report AES Indiana solar MW planned to acquire AES Indiana Solar MW Planned To Be Acquired AES Indiana solar MW planned to be acquired and developed in Pike County, Indiana with expected completion in 2024 Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Petersburg Energy Center Petersburg Energy Center [Member] Petersburg Energy Center Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Finance Lease, Liability, Noncurrent Finance Lease, Liability, Noncurrent First Mortgage Bond 3.875% Due August 2021 [Member] First Mortgage Bond Eight [Member] First Mortgage Bond Eight [Member] Postretirement Health Care Benefits [Member] Postretirement Health Coverage [Member] City Area Code City Area Code FTR [Member] FTR [Member] FTR [Member] Business Combination, Consideration Transferred, Equity Interest, Type [Axis] Business Combination, Consideration Transferred, Equity Interest, Type [Axis] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Corporate Segment Corporate Segment [Member] Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, after Tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, after Tax Fair Value Debt Instrument, Fair Value Disclosure INCOME BEFORE INCOME TAX Interest Costs Incurred [Abstract] Aggregated Principal Amount of Environmental Facilities Refunding Revenue Bonds, Series 2021A&B Aggregated Principal Amount of Environmental Facilities Refunding Revenue Bonds, Series 2021A&B [Member] Aggregated Principal Amount of Environmental Facilities Refunding Revenue Bonds, Series 2021A&B Realized Gain (Loss) on Derivatives Realized Gain (Loss) on Derivatives Realized Gain (Loss) on Derivatives Regulatory Liability [Domain] Regulatory Liability [Domain] Amount of New Operation for Battery Storage Unit, megawatts Amount of New Operation for Battery Storage Unit, megawatts Amount of New Operation for Battery Storage Unit, megawatts DSM program costs [Member] Demand Side Management Program Costs [Member] Demand Side Management Program Costs [Member] Statement [Line Items] Statement [Line Items] Tax Exempt Refund Revenue Bonds Outstanding Value Tax Exempt Refund Revenue Bonds Outstanding Value [Member] Tax Exempt Refund Revenue Bonds Outstanding Value TOTAL ASSETS Assets Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Entity [Domain] Entity [Domain] Unsecured Debt, Current Unsecured Debt, Current Foundry Works Project MwH Foundry Works Project MwH Foundry Works Project MwH Pike Co Bess Project Pike Co Bess Project [Member] Pike Co Bess Project Installment Sale Installment Sale [Member] Installment Sale Amortization of prior service cost Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Noncontrolling Interest, Increase from Sale of Parent Equity Interest Noncontrolling Interest, Increase from Sale of Parent Equity Interest Noncontrolling Interest, Increase from Sale of Parent Equity Interest First Mortgage Bond 4.70%, Due September 2045 [Member] First Mortgage Bond Nineteen [Member] First Mortgage Bond Nineteen [Member] Percentage of direct and indirect ownership share of IPALCO Percentage Of Direct And Indirect Ownership Share Of IPALCO Percentage Of Direct And Indirect Ownership Share Of IPALCO Crosstrack Energy Storage Project Crosstrack Energy Storage Project Crosstrack Energy Storage Project Energy [Domain] Energy [Domain] Contract with Customer, Duration [Domain] Contract with Customer, Duration [Domain] Unfunded obligation Defined Benefit Plan, Benefit Obligation Transmission Revenue Transmission Revenue [Member] Transmission Revenue Cash paid during the period for: Cash Paid for Interest and Income Taxes [Abstract] Cash Paid For Interest and Income Taxes [Abstract] First Mortgage Bond Twenty Six First Mortgage Bond Twenty Six [Member] First Mortgage Bond Twenty Six Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Other non-current liabilities Other Liabilities, Noncurrent Effective Income Tax Rate Reconciliation, at Combined Federal and State Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Combined Federal and State Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Combined Federal and State Statutory Income Tax Rate, Percent First Mortgage Bond 4.50% Due June 2044[Member] First Mortgage Bond Eighteen [Member] First Mortgage Bond Eighteen [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Finance Lease, Liability, to be Paid, after Year Five Finance Lease, Liability, to be Paid, after Year Five Contract with Customer, Liability, Revenue Recognized Contract with Customer, Liability, Revenue Recognized Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Gain (Loss) on Early Extinguishment of Debt Gain (Loss) on Early Extinguishment of Debt Gain (Loss) on Early Extinguishment of Debt Subsequent Event Type [Domain] Subsequent Event Type [Domain] Accrued taxes Taxes Payable, Current Retained Earnings [Member] Retained Earnings [Member] Five Point Seven Five Percent Senior Secured Notes Five Point Seven Five Percent Senior Secured Notes [Member] Five Point Seven Five Percent Senior Secured Notes Money Market Funds [Member] Money Market Funds [Member] Foundry Works Project Foundry Works Project Foundry Works Project Asset Retirement Obligation Disclosure Asset Retirement Obligation Disclosure [Text Block] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Revenue type [Axis] Revenue type [Axis] Revenue type Schedule Of Face And Fair Value Of Debt Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding FMB Twenty - four 1.40% mortgage bonds due in 2029 [Member] 1.40% mortgage bonds due in 2029 Trading Liabilities, Fair Value Disclosure Trading Liabilities, Fair Value Disclosure Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Payments for Project Development Costs Payments for Project Development Costs Payments for Project Development Costs Prepayments and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Public Lighting Public Lighting [Member] Public Lighting Cash Flow Hedging Cash Flow Hedging [Member] Other Assets, Noncurrent [Abstract] Other Assets, Noncurrent [Abstract] Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation First Mortgage Bond 3.875% Due August 2021 [Member] First Mortgage Bond Seven [Member] First Mortgage Bond Seven [Member] Utilities Operating Expense, Maintenance and Operations Utilities Operating Expense, Maintenance and Operations Lease Contractual Term [Domain] Lease Contractual Term [Domain] Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts Receivable, Allowance for Credit Loss, Writeoff Business Combination, Recognized Asset Acquired, Asset Business Combination, Recognized Asset Acquired, Asset Revenue from Contract with Customer, Excluding Assessed Tax Revenue from Contract with Customer, Excluding Assessed Tax CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property, plant and equipment, net of accumulated depreciation of $2,530,875 and $3,288,070, respectively Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Interest cost Interest cost Defined Benefit Plan, Interest Cost Property, Plant, and Equipment, Lessor Asset under Operating Lease Property, Plant, and Equipment, Lessor Asset under Operating Lease [Table Text Block] Redeemable Noncontrolling Interest, Equity, Common, Redemption Value Redeemable Noncontrolling Interest, Equity, Common, Redemption Value Preferred Resource Portfolio Coal-Fired Generation Retirement MW by 2023 Preferred Resource Portfolio Coal-Fired Generation Retirement MW by 2023 Preferred Resource Portfolio Coal-Fired Generation Retirement MW by 2023 Derivative Asset Derivative Asset NON-CURRENT LIABILITIES: Deferred Credits And Other Long-Term Liabilities [Abstract] Deferred credits and other long-term liabilities [abstract]. Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Petersburg Energy Storage Project MW Petersburg Energy Storage Project MW Petersburg Energy Storage Project MW Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Lessor, Leases [Policy Text Block] Lessor, Leases [Policy Text Block] Subsegments [Domain] Subsegments [Domain] Repayments of Debt and Lease Obligation Repayments of Debt and Lease Obligation Accrued interest Increase (Decrease) in Interest Payable, Net Regulatory Assets Related to Pensions [Roll Forward] Regulatory Assets Related to Pensions [Roll Forward] Regulatory Assets Related to Pensions [Roll Forward] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Foundry Works Energy Storage Project MW Foundry Works Energy Storage Project MW Foundry Works Energy Storage Project MW Return of Capital Return of Capital Return of capital payments for the portion of distributions in excess of net income. Subsegments [Axis] Subsegments [Axis] Inventories Increase (Decrease) in Inventories Temporary Equity, Share Subscriptions Temporary Equity, Share Subscriptions Segment Reporting [Table] Segment Reporting [Table] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Finance Lease, Liability, to be Paid, Rolling Year Two Finance Lease, Liability, to be Paid, Rolling Year Two Lease, Cost Lease, Cost [Table Text Block] Other Assets, Current Other Assets, Current Public Utilities, Approved Debt Capital Structure, Percentage Public Utilities, Approved Debt Capital Structure, Percentage Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] OTHER (EXPENSE) / INCOME, NET: Other Nonoperating Income (Expense) [Abstract] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Operating Income (Loss) OPERATING INCOME Operating Income (Loss) Variable Rate [Member] Variable Rate [Member] Variable Rate [Member] Equity Capital Contribution Equity Capital Contribution Equity Capital Contribution 2027 Rate Increase 2027 Rate Increase [Member] 2027 Rate Increase Change in Accounting Principle, Type [Axis] Change in Accounting Principle, Type [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Asset Retirement Obligation [Line Items] Asset Retirement Obligation [Line Items] Asset Retirement Obligation [Line Items] Finance Lease, Liability, to be Paid, Maturity Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Aggregated Principal Amount of First Mortgage Bonds to the Indiana Finance Authority in Two Series Aggregated Principal Amount of First Mortgage Bonds to the Indiana Finance Authority in Two Series [Member] Aggregated Principal Amount of First Mortgage Bonds to the Indiana Finance Authority in Two Series Tax Credit Transfer Proceeds Allocated to Noncontrolling Interest Tax Credit Transfer Proceeds Allocated to Noncontrolling Interest Tax Credit Transfer Proceeds Allocated to Noncontrolling Interest Proceeds from Issuance of Debt Proceeds from Issuance of Debt Contract with Customer, Duration [Axis] Contract with Customer, Duration [Axis] Derivative [Line Items] Derivative [Line Items] Unaudited Condensed Statement of Comprehensive Income [Abstract] Unaudited Condensed Statement of Comprehensive Income [Abstract] Unaudited Condensed Statement of Comprehensive Income [Abstract] Entity File Number Entity File Number Service cost Service cost Defined Benefit Plan, Service Cost FMB Twenty - Six [Axis] FMB Twenty - Six [Member] FMB Twenty - Six Capitalized Cost, Software to be Sold, Leased, or Marketed, Amortization Expense Capitalized Cost, Software to be Sold, Leased, or Marketed, Amortization Expense Debt Instrument, Issued, Principal Debt Instrument, Issued, Principal Allowance for Funds Used During Construction, Capitalized Interest Allowance for Funds Used During Construction, Capitalized Interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders RTO Capacity Revenue RTO Capacity Revenue RTO Capacity Revenue Three Point Seven Zero Percent Senior Secured Notes [Domain] Three Point Seven Zero Percent Senior Secured Notes [Member] Three Point Seven Zero Percent Senior Secured Notes Common Stock, Shares, Issued Common Stock, Shares, Issued Financial Transmission Rights Fair Value Disclosure Financial Transmission Rights Fair Value Disclosure Financial Transmission Rights Fair Value Disclosure Entity Information [Line Items] Entity Information [Line Items] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Asset retirement obligations, non-current Asset Retirement Obligations, Noncurrent Change in Accounting Principle, Type [Domain] Change in Accounting Principle, Type [Domain] Payments for (Proceeds from) Removal Costs Payments for (Proceeds from) Removal Costs Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Income Tax Paid, after Refund Received Income Tax Paid, after Refund Received Increase (Decrease) in Regulatory Assets and Liabilities Increase (Decrease) in Regulatory Assets and Liabilities Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] LIABILITIES AND SHAREHOLDERS’ EQUITY Capitalization, Long-Term Debt and Equity [Abstract] Entity Interactive Data Current Entity Interactive Data Current Finance Lease, Liability, Current Finance Lease, Liability, Current Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest 2030 IPALCO Senior Notes 2030 IPALCO Senior Notes [Member] 2030 IPALCO Senior Notes Issued Guarantees Issued Guarantees Issued Guarantees Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net Number of facilities with violations of Federal Clean Air Act Number of Facilities with Violations of Federal Clean Air Act Number of Facilities with Violations of Federal Clean Air Act Proceeds from Contributions from Parent Proceeds from Contributions from Parent Entity Small Business Entity Small Business $60M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds $60M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds $60M Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Unamortized debt discount Debt Instrument, Unamortized Discount Unamortized discount - net Debt Instrument, Unamortized Discount Harding Street [Member] Harding Street [Member] Harding Street [Member] Utility Plant [Domain] Utility Plant [Domain] Pike Co Bess Second Sell Down Pike Co Bess Second Sell Down [Member] Pike Co Bess Second Sell Down Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Crossvine Project MwH Crossvine Project MwH Crossvine Project MwH Four Point Two Five Percent Senior Secured Notes [Domain] Four Point Two Five Percent Senior Secured Notes [Domain] Four Point Two Five Percent Senior Secured Notes Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Crosstrack Energy Storage Project MwH Crosstrack Energy Storage Project MwH Crosstrack Energy Storage Project MwH Total other non-current assets Other Assets, Noncurrent Finance Lease, Liability, to be Paid, Year Three Finance Lease, Liability, to be Paid, Year Three Document Type Document Type Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Gain (Loss) on Extinguishment of Debt Loss on early extinguishment of debt Gain (Loss) on Extinguishment of Debt $60 million Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds $60 million Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds [Member] $60 million Series 2020B tax-exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds, at 5.15% due 2038 Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Short-term borrowings from affiliate Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Environmentally Beneficial Project Expenditure Environmentally Beneficial Project Expenditure Expenditure of $0.325 million on a state-only environmentally beneficial project to preserve local, ecologically-significant lands; and retirement of Units 1 and 2 prior to July 1, 2023. Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Environmental Facilities Refunding Revenue Notes, Series 2015A [Member] Environmental Facilities Refunding Revenue Notes, Series 2015A [Member] Environmental Facilities Refunding Revenue Notes, Series 2015A [Member] Public Utilities, Requested Debt Capital Structure, Percentage Public Utilities, Requested Debt Capital Structure, Percentage Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest COMMITMENTS AND CONTINGENCIES Commitments and Contingencies REVENUE UTILITY OPERATING REVENUES Revenues Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Unamortized investment tax credit [Member] Unamortized Investment Tax Credit [Member] Unamortized Investment Tax Credit [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Income Tax Contingency [Table] Income Tax Contingency [Table] Renewable Energy Program Renewable Energy Program [Member] Environmental Remediation Contingency [Axis] Environmental Remediation Contingency [Axis] FMB Twenty [Member] FMB Twenty [Member] First Mortgage Bond 4.05% Due May 2046 Purchase of Derivative Instruments Interest Rate Swap Purchase of Derivative Instruments Interest Rate Swap Purchase of Derivative Instruments Interest Rate Swap Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Right-of-Use Asset, Amortization Other Comprehensive Income (Loss), Tax Other Comprehensive Income (Loss), Tax Regulatory Matters [Table] Regulatory Matters [Table] Regulatory Matters [Table] Counterparty Name [Axis] Counterparty Name [Axis] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] First Mortgage Bond 4.55% Due December 2024 [Member] First Mortgage Bond Nine [Member] First Mortgage Bond Nine [Member] Lessor, Operating Lease, Payment to be Received, Year Four Lessor, Operating Lease, Payment to be Received, Year Four Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Derivative Instruments and Hedging Activities [Abstract] Derivative Instruments and Hedging Activities [Abstract] Derivative Instruments and Hedging Activities [Abstract] Inventory, Net Inventory, Net Finance Lease, Interest Expense Finance Lease, Interest Expense Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] $300M Term Loan $300M Term Loan [Member] $300M Term Loan Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Other non-606 revenue Other non-606 revenue Other non-606 revenue Geographical [Axis] Geographical [Axis] Accrued Liabilities and Other Liabilities Accrued Liabilities and Other Liabilities Lessor, Operating Lease, Payments to be Received Lessor, Operating Lease, Payment to be Received Contract with Customer, Liability Contract with Customer, Liability Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Segment Reporting, Other Segment Item, Amount Segment Reporting, Other Segment Item, Amount Cumulative Preferred Stock Of Subsidiary [Member] Cumulative Preferred Stock Of Subsidiary [Member] Cumulative preferred stock of subsidiary [member]. Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Mutual Fund [Member] Mutual Fund [Member] Liability Class [Axis] Liability Class [Axis] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Electric generation capability for winter, megawatts Electric generation capability for winter, megawatts Electric generation capability for winter, megawatts Preferred Stock Dividends, Income Statement Impact Preferred Stock Dividends, Income Statement Impact Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Return of Capital Return of Capital [Member] Return of capital payments for the portion of distributions in excess of net income. Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Foundry Works Energy Storage Project MwH Foundry Works Energy Storage Project MwH Foundry Works Energy Storage Project MwH Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Inventories Public Utilities, Inventory Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross FMB Twenty - two FMB Twenty - two [Member] FMB Twenty - two Lease, Cost Lease, Cost Capitalized Cost, Software to be Sold, Leased, or Marketed, Accumulated Amortization Capitalized Cost, Software to be Sold, Leased, or Marketed, Accumulated Amortization FMB Twenty - five FMB Twenty - five [Member] Outstanding principal balance of the $60M Series 2020B Tax-Exempt Indiana Finance Authority Environmental Facilities Refunding Revenue Bonds. A positive value represents an outstanding liability balance (credit). Financing Receivable, Allowance for Credit Losses, Policy for Uncollectible Amounts [Policy Text Block] Credit Loss, Financial Instrument [Policy Text Block] Schedule Long-Term Indebtedness Schedule of Debt [Table Text Block] Realized Gains Forward Power Contracts Realized Gains Forward Power Contracts [Member] Realized Gains Forward Power Contracts Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] First Mortgage Bond 5.40% Due August 2017 [Member] First Mortgage Bond Five [Member] First Mortgage Bond Five [Member] First Mortgage Bond Five [Member] Customer [Domain] Customer [Domain] Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Customer deposits Contract with Customer, Liability, Current Total current assets Assets, Current Net Consolidated IPALCO Long-term Debt Long-Term Debt, Excluding Current Maturities Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Interest Rate Contract [Member] Interest Rate Contract [Member] Accounts Receivable, after Allowance for Credit Loss, Current Accounts Receivable, after Allowance for Credit Loss, Current Ownership percentage by parent (percent) Ownership Percentage by Parent (Direct) Ownership Percentage by Parent (Direct) Derivative, Nonmonetary Notional Amount, Purchase (Sales), Net Derivative, Nonmonetary Notional Amount, Purchase (Sales), Net Derivative, Nonmonetary Notional Amount, Purchase (Sales), Net Accumulated deficit Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit) AES Indiana energy storage facility MWh planned to acquire AES Indiana Energy Storage Facility MWh Planned To Be Acquired AES Indiana energy storage facility MWh planned to be acquired and developed in Pike County, Indiana with expected completion in 2024. Number of generating stations Number of Generating Stations Number of Generating Stations Product and Service [Axis] Product and Service [Axis] FMB 2035 - 5.05% FMB 2035 - 5.05% [Member] FMB 2035 - 5.05% Financed Capital Expenditures Financed Capital Expenditures Capital expenditure payments made 90 days after purchase of capital item. Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Net Unfunded Status of Plans [Roll Forward] Net Unfunded Status of Plans [Roll Forward] Net Unfunded Status of Plans [Roll Forward] Temporary Equity, Including Noncontrolling Interest Temporary Equity, Including Noncontrolling Interest Pension Plan [Member] Pension Plan [Member] Proceeds from Issuance of Debt Proceeds from Issuance of Secured Debt Eagle Valley uncollectible outage costs, gross Eagle Valley uncollectible outage costs, gross Eagle Valley uncollectible outage costs, gross Common Stock [Member] Common Stock [Member] Operating Lease, Lease Income [Table Text Block] Operating Lease, Lease Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Deferred fuel [Member] Deferred Fuel Costs [Member] Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain (Loss) Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain (Loss) Cover [Abstract] Cover [Abstract] First Mortgage Bond 4.65% Due June 2043 [Member] First Mortgage Bond Seventeen [Member] First Mortgage Bond Seventeen [Member] Tax Exempt Refund Revenue Bonds Par Value Tax Exempt Refund Revenue Bonds Par Value [Member] Tax Exempt Refund Revenue Bonds Par Value Payments for financing fees Payments of Deferred Finance Costs Payments of Deferred Finance Costs Petersburg Energy Center Project MW Petersburg Energy Center Project MW Petersburg Energy Center Project MW Receivables from Stockholder Advances to Affiliate Derivative Contract [Domain] Derivative Contract [Domain] Receivable [Policy Text Block] Receivable [Policy Text Block] Accounting Standards Update [Domain] Accounting Standards Update [Domain] TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity Derivative Liability, Noncurrent Derivative Liability, Noncurrent Intangible Asset, Including Goodwill, after Accumulated Amortization Intangible Asset, Including Goodwill, after Accumulated Amortization Regulatory Asset [Domain] Regulatory Asset [Domain] Intangible Assets, Finite-Lived, Policy Intangible Assets, Finite-Lived, Policy [Policy Text Block] Debt, Current Debt, Current Electricity [Member] Electricity [Member] Equity, Attributable to Noncontrolling Interest Equity, Attributable to Noncontrolling Interest Asset Retirement Obligation, Current Asset Retirement Obligation, Current Lessor, Operating Lease, Payment to be Received, Maturity Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Segments [Axis] Segments [Axis] Asset Class [Axis] Asset Class [Axis] Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Geographic Distribution [Domain] Geographic Distribution [Domain] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Additional Paid in Capital Additional Paid in Capital Small Commercial and Industrial Small Commercial and Industrial [Member] Small Commercial and Industrial First Mortgage Bonds [Member] First Mortgage Bonds [Member] First Mortgage Bonds [Member] Increase (Decrease) in Other Noncurrent Liabilities Increase (Decrease) in Other Noncurrent Liabilities Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Repayments of First Mortgage Bond Repayments of First Mortgage Bond Asset Retirement Obligation, Accretion Expense Asset Retirement Obligation, Accretion Expense Parent Parent [Member] Long-term debt, net proceeds Long-term debt, net proceeds Long-term debt, net proceeds Income Taxes Receivable, Current Income Taxes Receivable, Current Common shareholders' equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Public Utilities, Rate Bases Public Utilities, Rate Bases Public Utilities, Rate Bases Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Schedule Of Defined Benefit Plans Disclosures Schedule of Defined Benefit Plans Disclosures [Table Text Block] Payment of Civil Penalties Payment of Civil Penalties Payment of Civil Penalties Current Current [Member] Current Production Costs, Period Cost Oil and Gas, Production Cost, Period Cost Expected added generation capability Expected added generation capability Expected added generation capability Crossvine Project Storage Capacity Crossvine Project Storage Capacity Crossvine Project Storage Capacity Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Temporary Equity, Accounting Treatment Reclassifications of Temporary to Permanent Equity Hedging Designation [Domain] Hedging Designation [Domain] Derivative Financial Instruments, Liabilities Derivative Financial Instruments, Liabilities [Member] Class of Stock [Domain] Class of Stock [Domain] Interest (net of amount capitalized) Interest Paid, Excluding Capitalized Interest, Operating Activity Payments to Acquire Productive Assets Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Extinguishment of Debt, Amount Extinguishment of Debt, Amount Interest Rate Cash Flow Hedge Liability at Fair Value Interest Rate Cash Flow Hedge Liability at Fair Value Hedging Designation [Axis] Hedging Designation [Axis] Schedule Of Regulatory Assets And Liabilities Schedule Of Regulatory Assets And Liabilities [Table Text Block] Schedule Of Regulatory Assets And Liabilities [Table Text Block] Credit Facility [Axis] Credit Facility [Axis] Capitalized Cost, Software to be Sold, Leased, or Marketed, before Accumulated Amortization Capitalized Cost, Software to be Sold, Leased, or Marketed, before Accumulated Amortization Assets, Fair Value Disclosure Assets, Fair Value Disclosure Regulatory Matters Schedule of Regulatory Assets and Liabilities [Text Block] Long-term Debt and Lease Obligation Long-Term Debt and Lease Obligation Finance Lease, Liability, to be Paid, Year Five Finance Lease, Liability, to be Paid, Year Five Hoosier Wind Project MW Hoosier Wind Project MW Hoosier Wind Project MW Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Income Taxes Income Tax Disclosure [Text Block] Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalent [Table] Accounts payable Accounts Payable, Current Other Segments [Member] Other Operating Segment [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Noncontrolling Interest, Period Increase (Decrease) Noncontrolling Interest, Increase from Business Combination Debt Instrument [Line Items] Debt Instrument [Line Items] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Finance Lease Balance Sheet Components Finance Lease Balance Sheet Components [Table Text Block] Finance Lease Balance Sheet Components Other Regulatory Assets (Liabilities) Other Regulatory Assets (Liabilities) [Member] Repayments of Short-term Debt Repayments of Short-Term Debt Lessor, Operating Lease, Payment to be Received, Year Five Lessor, Operating Lease, Payment to be Received, Year Five Sales to Noncontrolling Interests Sales to Noncontrolling Interests Sales to Noncontrolling Interests Sales to Noncontrolling Interests Revision of Prior Period [Axis] Revision of Prior Period [Axis] Cash and cash equivalents Cash and Cash Equivalent Debt Instrument, Interest Rate During Period Debt Instrument, Interest Rate During Period Public Utilities, Requested Rate Increase (Decrease), Percentage Public Utilities, Requested Rate Increase (Decrease), Percentage Energy [Axis] Energy [Axis] Ownership interest in parent company (percent) Ownership Interest in Parent Company, Percent Ownership Interest in Parent Company, Percent Pike Co BESS Project MW Pike Co BESS Project MW Pike Co BESS Project MW Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Income Taxes Receivable Income Taxes Receivable Depreciation and amortization Depreciation, Depletion and Amortization Unused lines of Credit Unused lines of Credit [Member] Crosstrack Project MW Crosstrack Project MW Crosstrack Project MW Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] CURRENT ASSETS: Assets, Current [Abstract] Civil Penalty Civil Penalty Civil Penalty Entity Address, Address Line One Entity Address, Address Line One FMB 2026 FMB 2026 - 0.75% [Member] FMB 2026 - 0.75% Income Tax Expense (Benefit) Income Tax Expense (Benefit) Wholesale Revenue [Member] Wholesale Revenue [Member] Wholesale Revenue [Member] [Member] Variable Interest Entity, Qualitative or Quantitative Information, Nature of VIE Variable Interest Entity, Qualitative or Quantitative Information, Nature of VIE Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] HLBV Method HLBV Method [Member] HLBV Method Consolidation, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Unrealized Gains Forward Power Contracts Unrealized Gains Forward Power Contracts [Member] Unrealized Gains Forward Power Contracts Lessor, Operating Lease, Payment to be Received, Year Two Lessor, Operating Lease, Payment to be Received, Year Two Number of Interest Rate Swaps Number of Interest Rate Swaps Number of Interest Rate Swaps Defined Benefit Plan, Amortization of Gain (Loss) Amortization of actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Asset Retirement Obligation, Revision of Estimate Asset Retirement Obligation, Revision of Estimate Fuel Costs Fuel Costs Net income Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] CDPQ [Member] CDPQ [Member] CDPQ [Member] Public Utilities, Approved Return on Equity, Percentage Public Utilities, Approved Return on Equity, Percentage Expected Reclass Amount Expected Reclass Amount [Member] Expected Reclass Amount Regulatory Liability, Current Total current regulatory liabilities Regulatory Liability, Current 2026 Rate Increase 2026 Rate Increase [Member] 2026 Rate Increase Pike Co BESS Project MwH Pike Co BESS Project MwH Pike Co BESS Project MwH Derivative Asset, Fair Value, Gross Asset Derivative Asset, Subject to Master Netting Arrangement, before Offset Geographic Distribution [Axis] Geographic Distribution [Axis] Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount Change in Right-of-Use Asset Lease Liability Change in Right-of-Use Asset Lease Liability Amount of increase in lease liability connected to the right of use asset Contract with Customer, Asset, before Allowance for Credit Loss Contract with Customer, Asset, before Allowance for Credit Loss Regulatory assets, current Materials and Supplies, Average Cost Materials and supplies, average cost. Increase (Decrease) in Other Current Assets and Liabilities, Net Increase (Decrease) in Other Current Assets and Liabilities, Net Other Noncash Investing and Financing Items [Abstract] Other Noncash Investing and Financing Items [Abstract] Accounts Receivable, Allowance for Credit Loss, Recovery Accounts Receivable, Allowance for Credit Loss, Recovery