v3.26.1
CONDENSED CONSOLIDATED BALANCE SHEETS - AEP Texas (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Restricted Cash $ 72 $ 71
Securitized Assets 2,252 933
Long-term Debt Due Within One Year 2,821 3,194
Long-term Debt 47,987 44,128
AEP TEXAS INC.    
Restricted Cash 13 14
Securitized Assets 82 94
Long-term Debt Due Within One Year 25 75
Long-term Debt 7,671 6,941
AEP TEXAS INC. | AEP Texas Transition and Restoration Funding    
Restricted Cash 13 14
Securitized Assets 82 94
Long-term Debt Due Within One Year 25 25
Long-term Debt $ 65 $ 78