CONSOLIDATED STATEMENTS OF CHANGES IN COMMON SHAREHOLDER’S EQUITY - I&M - USD ($) $ in Millions	Total	Retained Earnings	[1]	Accumulated Other Comprehensive Income (Loss)	INDIANA MICHIGAN POWER COMPANY	INDIANA MICHIGAN POWER COMPANY Common Stock	INDIANA MICHIGAN POWER COMPANY Paid-in Capital	INDIANA MICHIGAN POWER COMPANY Retained Earnings	INDIANA MICHIGAN POWER COMPANY Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2021					$ 2,784.7	$ 56.6	$ 980.9	$ 1,748.5	$ (1.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital Contribution from Parent					7.9		7.9
Common Stock Dividends	$ (1,645.2)	$ (1,628.7)			(110.0)			(110.0)
Net Income					324.7			324.7
Other Comprehensive Income (Loss)	(101.1)			$ (101.1)	1.0				1.0
Ending balance at Dec. 31, 2022					3,008.3	56.6	988.8	1,963.2	(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital Contribution from Parent					8.8		8.8
Common Stock Dividends	(1,760.4)	(1,752.3)			(212.5)			(212.5)
Net Income					335.9			335.9
Other Comprehensive Income (Loss)	(139.2)			(139.2)	(0.3)				(0.3)
Ending balance at Dec. 31, 2023	25,246.7				3,140.2	56.6	997.6	2,086.6	(0.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital Contribution from Parent					15.9		15.9
Return of Capital to Parent					(1.8)		(1.8)
Common Stock Dividends	(1,903.9)	$ (1,898.3)			(150.0)			(150.0)
Net Income					391.4			391.4
Other Comprehensive Income (Loss)	52.4			$ 52.4	0.8				0.8
Ending balance at Dec. 31, 2024	$ 26,943.8				$ 3,396.5	$ 56.6	$ 1,011.7	$ 2,328.0	$ 0.2

[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.