| Cover | Aug. 29, 2022 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 29, 2022 |
| Entity Registrant Name | AEP TEXAS RESTORATION FUNDING LLC |
| Entity File Number | 333-232430-01 |
| Entity Central Index Key | 0001775098 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 51-0007707 |
| Entity Address, Address Line One | 1 Riverside Plaza, |
| Entity Address, City or Town | Columbus, |
| Entity Address, State or Province | OH |
| Entity Address, Postal Zip Code | 43215 |
| City Area Code | (614) |
| Local Phone Number | 716-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| AEP Texas Inc. | |
| Entity Information [Line Items] | |
| Entity Registrant Name | AEP TEXAS INC. |
| Entity File Number | 333-232430 |
| Entity Central Index Key | 0001721781 |
