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v3.23.1

Rate Matters FERC (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($)
Public Utilities, General Disclosures [Line Items] |
AEP Share of Independence Energy Connection Capital Costs | $ 87.0
Estimated PreTax Income Reduction | $ 20.0
Ohio Power Co [Member] | Ohio Transmission Company [Member] |
Public Utilities, General Disclosures [Line Items] |
Basis Point RTO Incentive | 50.00%

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