XML 142 R118.htm IDEA: XBRL DOCUMENT
v3.22.4

Derivative Instruments and Hedging Activities(Schedule of Terminated Cash Flows) (Details) - Accumulated Net Gain (Loss) from Derivative Instruments Designated as Cash Flow Hedges [Member] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax | $ 700 | $ 121
Other Comprehensive Income (loss), Unrealized Gain (loss) on discontinued cash flow hedges arising during the period, before tax | (291) | 739
Other Comprehensive Income (loss), Reclassification Adjustment from AOCI on discontinued cash flow hedges, before tax | (245) | (160)
Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax | $ 164 | $ 700

X
- Definition Amounts included in Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax + References No definition available. + Details
Name: | rf_AccumulatedOtherComprehensiveIncomerelatedtodiscontinuedcashflowhedgesbeforetax
Namespace Prefix: | rf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Other Comprehensive Income (loss), Reclassification Adjustment from AOCI on discontinued cash flow hedges, before tax + References No definition available. + Details
Name: | rf_OtherComprehensiveIncomelossReclassificationAdjustmentfromAOCIondiscontinuedcashflowhedgesbeforetax
Namespace Prefix: | rf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Comprehensive Income (loss), Unrealized Gain (loss) on discontinued cash flow hedges arising during the period, before tax + References No definition available. + Details
Name: | rf_OtherComprehensiveIncomelossUnrealizedGainlossondiscontinuedcashflowhedgesarisingduringtheperiodbeforetax
Namespace Prefix: | rf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |