RATE MATTERS - AEP Texas Rate Matters (Details) - AEP Texas - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 20, 2025 |
Jun. 30, 2025 |
|
| Public Utilities, General Disclosures [Line Items] | ||
| Requested annual base rate increase | $ 43 | |
| Regulatory asset, recovery period | 18 months | |
| Eligible costs deferred | $ 25 |