CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 3,696	$ 2,976	$ 2,213
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
Cash Flow Hedges, Net of Tax	(25)	5	(127)
Amortization of Pension and OPEB Deferred Costs, Net of Tax	1	(3)	(13)
Pension and OPEB Funded Status, Net of Tax	63	41	(16)
Recognition of Pension Settlement Costs, Net of Tax	0	9	0
Reclassification of KPCo Pension and OPEB Regulatory Assets, Net of Tax	0	0	17
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	39	52	(139)
TOTAL COMPREHENSIVE INCOME	3,735	3,028	2,074
Total Comprehensive Income Attributable To Noncontrolling Interests	116	9	5
TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS	$ 3,619	$ 3,019	$ 2,069