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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
Common stock - cash dividends declared per share (in dollars per share) | $ 0.15 |  | $ 0.15 |  | $ 0.15 |  | $ 0.15 |  |
Common stock repurchased under share repurchase program | $ 27 | [1] | $ 365 | [1] | $ 228 | [2] | $ 159 | [2] |
Accounting Standards Update [Extensible List] |  |  |  |  |  |  |  |  | Accounting Standards Update 2023-02 [Member]
General Purchase Plan |  |  |  |  |  |  |  |  |
Common stock repurchased under share repurchase program | 9 |  | $ 360 |  | 212 |  | $ 154 |  |
Share repurchase program, authorized, amount | $ 1,000 |  |  |  | $ 650 |  |  |  |
[1] | Includes $360 million and $9 million repurchased during first and second quarter, respectively, under FHN's $1 billion general purchase program approved in October 2024 and scheduled to expire in January 2026.
[2] | Includes $154 million and $212 million repurchased during first and second quarter, respectively, under FHN's $650 million general purchase program approved in January 2024 and terminated in October 2024.

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