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Borrowed Funds (Tables) | 12 Months Ended
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Dec. 31, 2024
Long-term Borrowings [Abstract] |
Schedule of Long-term Debt Instruments | Long-term borrowings at December 31 consist of the following:
| 2024 |  | 2023
| (In millions)
Regions Financial Corporation (Parent): |  |  |
2.25% senior notes due May 2025 | $ | 749 |  |  | $ | 747 |
1.80% senior notes due August 2028 | 647 |  |  | 646
5.722% senior notes due June 2030 (1) | 746 |  |  | — |
5.502% senior notes due September 2035 (2) | 994 |  |  | —
7.75% subordinated notes due September 2024 | — |  |  | 100 |
6.75% subordinated debentures due November 2025 | 151 |  |  | 153 |
7.375% subordinated notes due December 2037 | 299 |  |  | 298 |
Valuation adjustments on hedged long-term debt | (91) |  |  | (112) |
| 3,495 |  |  | 1,832 |
Regions Bank: |  |  |
FHLB advances | 2,000 |  |  | — |
6.45% subordinated notes due June 2037 | 496 |  |  | 496 |
Other long-term debt | 2 |  |  | 2 |
| 2,498 |  |  | 498 |
Total consolidated | $ | 5,993 |  |  | $ | 2,330 |
____ (1) On June 6, 2029, the Notes will bear floating rate interest equal to Compounded SOFR plus 1.49%. (2) On September 6, 2034, the Notes will bear floating rate interest equal to Compounded SOFR plus 2.06%.
Schedule of Maturities of Long-term Debt | The aggregate amount of contractual maturities of all long-term debt in each of the next five years and thereafter is as follows:
| Year Ended December 31
| Regions Financial Corporation (Parent) |  | Regions Bank
| (In millions)
2025 | $ | 891 |  |  | $ | 2,000 |
2026 | — |  |  | — |
2027 | — |  |  | — |
2028 | 581 |  |  | — |
2029 | — |  |  | — |
Thereafter | 2,023 |  |  | 498 |
| $ | 3,495 |  |  | $ | 2,498 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69E -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-8 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-6 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-7 + Details
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