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Other Earning Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Earning Assets [Abstract] |
Schedule Of Investments in Federal Reserve Bank Stock And Federal Home Loan Bank Stock | The following table presents the amount of Regions' investments in Federal Reserve Bank and FHLB stock as of December 31:
| 2023 |  | 2022
| (In millions)
Federal Reserve Bank stock | $ | 434 |  |  | $ | 438 |
FHLB stock | 18 |  |  | 15 |

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- Definition Schedule Of Amortized Cost Of Equity Securities In Federal Reserve Bank Stock And Federal Home Loan Bank Stock [Text Block] + References No definition available. + Details
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