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Variable Interest Entities (Tables) | 9 Months Ended
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Sep. 30, 2024
Disclosure Variable Interest Entities Schedule Of Equity Method Investments [Abstract] |
Affordable Housing Tax Credit Investments | A summary of Regions’ tax credit investments and related loans and letters of credit, representing Regions’ maximum exposure to loss, is as follows:
| September 30, 2024 |  | December 31, 2023
| (In millions)
Tax credit investments included in other assets | $ | 1,495 |  |  | $ | 1,415 |
Unfunded tax credit commitments included in other liabilities | 589 |  |  | 592 |
Loans and letters of credit commitments | 674 |  |  | 730 |
Funded portion of loans and letters of credit commitments | 346 |  |  | 395 |
| Three Months Ended September 30 |  | Nine Months Ended September 30
| 2024 |  | 2023 |  | 2024 |  | 2023
| (In millions)
Tax credits and other tax benefits recognized | $ | 59 |  |  | $ | 51 |  |  | $ | 175 |  |  | $ | 151 |
Tax credit amortization expense included in income tax expense | 49 |  |  | 42 |  |  | 142 |  | 125

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- Definition Disclosure - Variable Interest Entities (Schedule Of Equity Method Investments) [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for Affordable Housing Program (AHP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/942/tableOfContent + Details
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