CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN COMMON SHAREHOLDER’S EQUITY - I&M - USD ($) $ in Millions	Total	Retained Earnings		Accumulated Other Comprehensive Income (Loss)	I&M	I&M Common Stock	I&M Paid-in Capital	I&M Retained Earnings	I&M Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2023					$ 3,140.2	$ 56.6	$ 997.6	$ 2,086.6	$ (0.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock Dividends	$ (466.9)	$ (465.5)	[1]		(37.5)			(37.5)
Net Income					145.0			145.0
Other Comprehensive Income (Loss)	(6.8)			$ (6.8)	0.1				0.1
Ending balance at Mar. 31, 2024					3,247.8	56.6	997.6	2,194.1	(0.5)
Beginning balance at Dec. 31, 2024	26,943.8				3,396.5	56.6	1,011.7	2,328.0	0.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock Dividends	(501.0)	$ (500.0)	[2]		(50.0)			(50.0)
Net Income					57.5			57.5
Other Comprehensive Income (Loss)	23.4			$ 23.4	0.1				0.1
Ending balance at Mar. 31, 2025	$ 27,320.7				$ 3,404.1	$ 56.6	$ 1,011.7	$ 2,335.5	$ 0.3

[1] Cash dividends declared per AEP common share were $0.88.

[2] Cash dividends declared per AEP common share were $0.93.