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Consolidated Statements of Changes in Equity (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Equity, Class of Treasury Stock [Line Items] |  |  |
Common stock - cash dividends declared per share (in dollars per share) | $ 0.60 | $ 0.60 | $ 0.60
Preferred Stock |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Sale of stock, number of shares issued in transaction (in shares) | 4,936 | 1,500 | 1,500
Sale of stock (in dollars per share) | $ 100,000 | $ 100,000 | $ 100,000
First Horizon Share Repurchase Program |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Common stock repurchased under share repurchase programs |  | $ 401 | $ 4

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