FINANCING ACTIVITIES - Schedule of Maximum Minimum and Average Interest Rates for Funds Borrowed from and Loaned to AEP (Details) - Direct Borrowing - AEPTCo |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Short-Term Debt [Line Items] | ||
| Maximum Interest Rate for Funds Borrowed | 4.76% | 5.79% |
| Minimum Interest Rate For Funds Borrowed | 4.63% | 5.55% |
| Maximum Interest Rate for Funds Loaned | 4.76% | 5.79% |
| Minimum Interest Rate for Funds Loaned | 4.63% | 5.55% |
| Average Interest Rate for Funds Borrowed | 4.69% | 5.68% |
| Average Interest Rate for Funds Loaned | 4.69% | 5.68% |