CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - AEP Texas - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
Cash Flow Hedges, Net of Tax	$ (25.0)	$ 5.0	$ (127.0)
Amortization of Pension and OPEB Deferred Costs, Net of Tax	1.0	(3.0)	(13.0)
Pension and OPEB Funded Status, Net of Tax	63.0	41.0	(16.0)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	39.0	52.0	(139.0)
TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS	3,619.0	3,019.0	2,069.0
AEP TEXAS INC.
Net Income	488.0	420.0	370.0
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
Cash Flow Hedges, Net of Tax	(1.0)	6.0	1.0
Amortization of Pension and OPEB Deferred Costs, Net of Tax	0.0	0.0	(1.0)
Pension and OPEB Funded Status, Net of Tax	1.0	0.0	0.0
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	0.0	6.0	0.0
TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS	$ 488.0	$ 426.0	$ 370.0