CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024		Jun. 30, 2024		Mar. 31, 2024		Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Common stock - cash dividends declared per share (in dollars per share)	$ 0.15		$ 0.15		$ 0.15		$ 0.15	$ 0.15	$ 0.15
Common stock repurchased under share repurchase program	$ 75	[1]	$ 228	[1]	$ 159	[1]	$ 0	$ 5	$ 4
2024 General Purchase Program
Common stock repurchased under share repurchase program	$ 75		$ 212		$ 154

[1] Includes $154 million, $212 million, and $75 million repurchased during first, second, and third quarter, respectively, under FHN's general purchase program