XML 57 R45.htm IDEA: XBRL DOCUMENT v3.25.1

Loans And The Allowance For Credit Losses (Modifications By Class And Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 155	$ 185
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.16%	0.19%
Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 142	$ 181
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.15%	0.19%
Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 3
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 9	$ 4
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.01%	0.00%
Commercial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 62	$ 41
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.12%	0.07%
Commercial | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 59	$ 41
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.11%	0.07%
Commercial | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 3
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.01%
Commercial | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Commercial | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%	0.00%
Investor Real Estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 24	$ 100
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.27%	1.14%
Investor Real Estate | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 24	$ 100
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.27%	1.14%
Investor Real Estate | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Investor Real Estate | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Investor Real Estate | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%	0.00%
Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 69	$ 44
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.21%	0.13%
Consumer | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 59	$ 40
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.18%	0.12%
Consumer | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Consumer | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Consumer | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 9	$ 4
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.03%	0.01%
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 60	$ 40
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.12%	0.08%
Commercial And Industrial [Member] | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 57	$ 40
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.12%	0.08%
Commercial And Industrial [Member] | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 3
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.01%
Commercial And Industrial [Member] | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Commercial And Industrial [Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%	0.00%
Commercial Real Estate Mortgage - Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 2	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.03%	0.01%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 2	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.03%	0.01%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%	0.00%
Commercial investor real estate mortgage [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 24	$ 100
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.37%	1.56%
Commercial investor real estate mortgage [Member] | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 24	$ 100
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.37%	1.56%
Commercial investor real estate mortgage [Member] | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Commercial investor real estate mortgage [Member] | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Commercial investor real estate mortgage [Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%	0.00%
Residential First Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 65	$ 40
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.32%	0.20%
Residential First Mortgage [Member] | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 58	$ 39
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.29%	0.19%
Residential First Mortgage [Member] | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Residential First Mortgage [Member] | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Residential First Mortgage [Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 6	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.03%	0.01%
Home Equity Lines of Credit[Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 2	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.08%	0.03%
Home Equity Lines of Credit[Member] | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.02%	0.00%
Home Equity Lines of Credit[Member] | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Home Equity Lines of Credit[Member] | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Home Equity Lines of Credit[Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 2	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.06%	0.02%
Home Equity Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 2	$ 3
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.10%	0.12%
Home Equity Loan [Member] | Extended Maturity
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 1	$ 1
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.03%	0.04%
Home Equity Loan [Member] | Contractual Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Home Equity Loan [Member] | Payment Deferral
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.00%
Home Equity Loan [Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified in Period, amount	$ 1	$ 2
Financing Receivable, Excluding Accrued Interest, Modified in Period, Percentage	0.07%	0.08%

X

- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period 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)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

Reference 1: 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_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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_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_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: