CONSOLIDATED CONDENSED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021		Mar. 31, 2020	Sep. 30, 2019
Preferred stock - cash dividends declared per share (in dollars per share)				$ 1,550
Common stock - cash dividends declared per share (in dollars per share)			$ 0.15
Common stock repurchased under share repurchase program	$ 62	[1]	$ 2
First Horizon Share Repurchase Program
Common stock repurchased under share repurchase program	$ 59

[1] Includes $59 million repurchased under share repurchase programs.