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FINANCING ACTIVITIES - Schedule of Comparative Accounts Receivable Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Debt Disclosure [Abstract] |  |  |
Effective Interest Rates on Securitization of Accounts Receivable | 5.39% | 5.33% | 1.84%
Net Uncollectible Accounts Receivable Written Off | $ 29.4 | $ 30.7 | $ 29.5

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- Definition Effective interest rate on the amount owed for securitized accounts receivables. + References No definition available. + Details
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- Definition Net uncollectible accounts receivable written off. + References No definition available. + Details
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Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- References No definition available. + Details
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Balance Type: | na
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