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, 2021	524,416,175	524,400,000
Beginning balance at Dec. 31, 2021	$ 22,680.2	$ 3,408.7	$ 7,172.6	$ 11,667.1		$ 184.8	$ 247.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)	683,146	700,000
Issuance of Common Stock	$ 826.5	$ 4.4	822.1
Common Stock Dividends	(1,645.2)			(1,628.7)	[1]		(16.5)
Other Changes in Equity	56.4		56.3				0.1
Net Income (Loss)	2,305.6			2,307.2			(1.6)
Other Comprehensive Income (Loss)	$ (101.1)					(101.1)
Ending balance (in shares) at Dec. 31, 2022	525,099,321	525,100,000
Ending balance at Dec. 31, 2022	$ 24,122.4	$ 3,413.1	8,051.0	12,345.6		83.7	229.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)	2,269,836	2,300,000
Issuance of Common Stock	$ 999.6	$ 14.8	984.8
Common Stock Dividends	(1,760.4)			(1,752.3)	[1]		(8.1)
Other Changes in Equity	37.3		38.1	(1.0)			0.2
Disposition of Competitive Contracted Renewables Portfolio	(186.4)						(186.4)
Net Income (Loss)	2,212.6			2,208.1			4.5
Other Comprehensive Income (Loss)	$ (139.2)					(139.2)
Ending balance (in shares) at Dec. 31, 2023	527,369,157	527,400,000
Ending balance at Dec. 31, 2023	$ 25,285.9	$ 3,427.9	9,073.9	12,800.4		(55.5)	39.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)	6,725,373	6,700,000
Issuance of Common Stock	$ 552.1	$ 43.7	508.4
Common Stock Dividends	(1,903.9)			(1,898.3)	[1]		(5.6)
Other Changes in Equity	23.8		23.8
Net Income (Loss)	2,975.8			2,967.1			8.7
Other Comprehensive Income (Loss)	$ 52.4					52.4
Ending balance (in shares) at Dec. 31, 2024	534,094,530	534,100,000
Ending balance at Dec. 31, 2024	$ 26,986.1	$ 3,471.6	$ 9,606.1	$ 13,869.2		$ (3.1)	$ 42.3

[1] Cash dividends declared per AEP common share were $3.57, $3.37 and $3.17 for the years ended December 31, 2024, 2023 and 2022, respectively.