CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common Stock	Paid-in Capital	Retained Earnings		Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2022	525,099,321	525,000,000
Beginning balance at Dec. 31, 2022	$ 24,123.0	$ 3,413.0	$ 8,051.0	$ 12,346.0		$ 84.0	$ 229.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)	2,269,836	2,000,000
Issuance of Common Stock	$ 1,000.0	$ 15.0	985.0
Common Stock Dividends	(1,752.0)			(1,752.0)	[1]
Dividends Paid to Noncontrolling Interest	(8.0)						(8.0)
Other Changes in Equity	35.0		38.0	(2.0)			(1.0)
Disposition of Competitive Contracted Renewables Portfolio	(186.0)						(186.0)
Net Income	2,213.0			2,208.0			5.0
Other Comprehensive Income (Loss)	$ (139.0)					(139.0)
Ending balance (in shares) at Dec. 31, 2023	527,369,157	527,000,000
Ending balance at Dec. 31, 2023	$ 25,286.0	$ 3,428.0	9,074.0	12,800.0		(55.0)	39.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)	6,725,373	7,000,000
Issuance of Common Stock	$ 552.0	$ 44.0	508.0
Common Stock Dividends	(1,898.0)			(1,898.0)	[1]
Dividends Paid to Noncontrolling Interest	(6.0)						(6.0)
Other Changes in Equity	24.0		24.0
Net Income	2,976.0			2,967.0			9.0
Other Comprehensive Income (Loss)	$ 52.0					52.0
Ending balance (in shares) at Dec. 31, 2024	534,094,530	534,000,000
Ending balance at Dec. 31, 2024	$ 26,986.0	$ 3,472.0	9,606.0	13,869.0		(3.0)	42.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)	7,953,758	8,000,000
Issuance of Common Stock	$ 775.0	$ 51.0	724.0
Common Stock Dividends	(2,008.0)			(2,008.0)	[1]
Dividends Paid to Noncontrolling Interest	(108.0)						(108.0)
Other Changes in Equity	17.0		17.0
Midwest Transmission Holdings Noncontrolling Interest Transaction	2,783.0		1,791.0				992.0
Net Income	3,696.0			3,580.0			116.0
Other Comprehensive Income (Loss)	$ 39.0					39.0
Ending balance (in shares) at Dec. 31, 2025	542,048,288	542,000,000
Ending balance at Dec. 31, 2025	$ 32,218.0	$ 3,523.0	$ 12,138.0	$ 15,441.0		$ 36.0	$ 1,080.0

[1] Cash dividends declared per AEP common share were $3.74, $3.57 and $3.37 for the years ended December 31, 2025, 2024 and 2023, respectively.