XML 59 R47.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans And The Allowance For Credit Losses(Aging and Non-Accrual Performance for Modifications to Troubled Borrowers (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | $ 421 | $ 773
Defaulted during period as modification to troubled borrower, twelve months prior to modification | 24 | 79
Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 96 | 347
Investor Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 118 | 300
Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 207 | 126
Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 294 | 451
Current | Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 74 | 162
Current | Investor Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 64 | 192
Current | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 156 | 97
Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 29 | 14
Financial Asset, 30 to 89 Days Past Due | Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 3 | 0
Financial Asset, 30 to 89 Days Past Due | Investor Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Financial Asset, 30 to 89 Days Past Due | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 26 | 14
Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 15 | 8
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due | Investor Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 15 | 8
Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 83 | 300
Non-performing [Member] | Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 19 | 185
Non-performing [Member] | Investor Real Estate |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 54 | 108
Non-performing [Member] | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 10 | 7
Commercial And Industrial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 93 | 345
Commercial And Industrial [Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 72 | 161
Commercial And Industrial [Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 3 | 0
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Commercial And Industrial [Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 18 | 184
Commercial Real Estate Mortgage - Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 3 | 2
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 2 | 1
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 1 | 1
Commercial Real Estate Construction - Owner-Occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 |
Commercial Real Estate Construction - Owner-Occupied [Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 |
Commercial Real Estate Construction - Owner-Occupied [Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 |
Commercial Real Estate Construction - Owner-Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 |
Commercial Real Estate Construction - Owner-Occupied [Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 |
Commercial investor real estate mortgage [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 118 | 300
Commercial investor real estate mortgage [Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 64 | 192
Commercial investor real estate mortgage [Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Commercial investor real estate mortgage [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Commercial investor real estate mortgage [Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 54 | 108
Residential First Mortgage [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 185 | 113
Residential First Mortgage [Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 138 | 87
Residential First Mortgage [Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 25 | 13
Residential First Mortgage [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 15 | 8
Residential First Mortgage [Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 7 | 5
Home Equity Lines of Credit[Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 11 | 4
Home Equity Lines of Credit[Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 10 | 4
Home Equity Lines of Credit[Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Home Equity Lines of Credit[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Home Equity Lines of Credit[Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 1 | 0
Home Equity Loan [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 11 | 9
Home Equity Loan [Member] | Current |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 8 | 6
Home Equity Loan [Member] | Financial Asset, 30 to 89 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 1 | 1
Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | 0 | 0
Home Equity Loan [Member] | Non-performing [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Modifications to Troubled Borrowers, modified in the previous 12-month period | $ 2 | $ 2

X
- Definition Amortized cost excluding accrued interest, of financing receivable 12 months after modification for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPast12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rf_TotalInvestorRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=rf_CurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=rf_FinancialAsset30To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=rf_NonPerformingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rf_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rf_CommercialRealEstateMortgageOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rf_CommercialRealEstateConstructionOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rf_CommercialinvestorrealestatemortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rf_ResidentialFirstMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |