CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026		Mar. 31, 2025
Common stock - cash dividends declared per share (in dollars per share)	$ 0.17		$ 0.15
Common stock repurchased under share repurchase program	$ 235	[1]	$ 365	[2]
Preferred Stock
Preferred stock issuance (in shares)	4,000
Shares issued, price per share (in dollars per share)	$ 100,000
General Purchase Plan
Common stock repurchased under share repurchase program	$ 233		$ 360

[1] Includes $233 million repurchased under FHN's general purchase program

[2] Includes $360 million repurchased under FHN's general purchase program.