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v3.25.1

Components of Other Comprehensive Income (Loss) - Schedule of Changes in AOCI (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance, beginning of period | $ 9,111 |  | $ 9,291 |
Other comprehensive income (loss) | 145 |  | (83) |
Balance, ending of period | 9,044 |  | 9,173 |
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance, beginning of period | (1,128) | [1] | (1,188) | [2]
Net unrealized gains (losses) | 134 |  | (98) |
Amounts reclassified from AOCI | 11 |  | 15 |
Other comprehensive income (loss) | 145 | [1] | (83) | [2]
Balance, ending of period | (983) | [1] | (1,271) | [2]
Securities AFS |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance, beginning of period | (782) |  | (836) |
Net unrealized gains (losses) | 116 |  | (55) |
Amounts reclassified from AOCI | 0 |  | 0 |
Other comprehensive income (loss) | 116 |  | (55) |
Balance, ending of period | (666) |  | (891) |
Cash Flow Hedges |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance, beginning of period | (94) |  | (80) |
Net unrealized gains (losses) | 18 |  | (43) |
Amounts reclassified from AOCI | 9 |  | 13 |
Other comprehensive income (loss) | 27 |  | (30) |
Balance, ending of period | (67) |  | (110) |
Pension and Post-retirement Plans |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance, beginning of period | (252) |  | (272) |
Net unrealized gains (losses) | 0 |  | 0 |
Amounts reclassified from AOCI | 2 |  | 2 |
Other comprehensive income (loss) | 2 |  | 2 |
Balance, ending of period | $ (250) |  | $ (270) |
[1] | Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of other comprehensive income (loss) have been attributed solely to FHN as the controlling interest holder.
[2] | Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of other comprehensive income (loss) have been attributed solely to FHN as the controlling interest holder.

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