0000036966 2026-04-15 2026-04-15 0000036966 fhn:A625ParValueCommonCapitalStockMember 2026-04-15 2026-04-15 0000036966 fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesCMember 2026-04-15 2026-04-15 0000036966 fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesEMember 2026-04-15 2026-04-15 0000036966 fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesFMember 2026-04-15 2026-04-15 0000036966 fhn:DepositorySharesEachRepresentingA14000thInterestInAShareOfNonCumulativePerpetualPreferredStockSeriesHMember 2026-04-15 2026-04-15 FIRST HORIZON CORP 0000036966 false 8-K 2026-04-15 TN 001-15185 62-0803242 165 Madison Avenue Memphis, TN 38103 901 523-4444 false false false false $0.625 Par Value Common Capital Stock FHN NYSE Depositary Shares, each representing a 1/400th interest in FHN PR C NYSE Depositary Shares, each representing a 1/4,000th interest in FHN PR E NYSE Depositary Shares, each representing a 1/4,000th interest in FHN PR F NYSE Depositary Shares, each representing a 1/4,000th interest in FHN PR H NYSE false