CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - AEP Texas - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
Cash Flow Hedges, Net of Tax	$ 23.1	$ (6.2)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	23.4	(6.8)
TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS	823.6	996.3
AEP Texas
Net Income (Loss)	101.6	79.7
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(0.2)	3.9
TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS	$ 101.4	$ 83.6