XML 105 R81.htm IDEA: XBRL DOCUMENT
v3.22.4

Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross |  | $ 1,498 | $ 1,502
Finite-Lived Intangible Assets, Accumulated Amortization |  | 1,249 | 1,197
Finite-Lived Intangible Assets, Net |  | 249 | 305
Core Deposits [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross |  | 1,011 | 1,011
Finite-Lived Intangible Assets, Accumulated Amortization |  | 1,006 | 1,000
Finite-Lived Intangible Assets, Net |  | 5 | 11
Purchased Credit Card Relationships [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross |  | 175 | 175
Finite-Lived Intangible Assets, Accumulated Amortization |  | 164 | 157
Finite-Lived Intangible Assets, Net |  | 11 | 18
Customer-Related Intangible Assets |  |  |
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | [1] | 267 | 267
Finite-Lived Intangible Assets, Accumulated Amortization | [1] | 58 | 22
Finite-Lived Intangible Assets, Net | [1] | 209 | 245
Other Intangible Assets [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | [2] | 26 | 26
Finite-Lived Intangible Assets, Accumulated Amortization | [2] | 21 | 18
Finite-Lived Intangible Assets, Net | [2] | 5 | 8
Fannie Mae DUS License [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | [3] | 16 | 20
Finite-Lived Intangible Assets, Accumulated Amortization | [3] | 0 | 0
Finite-Lived Intangible Assets, Net | [3] | 16 | 20
Other Intangible Assets [Member] |  |  |
Other Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | [4] | 3 | 3
Finite-Lived Intangible Assets, Accumulated Amortization | [4] | 0 | 0
Finite-Lived Intangible Assets, Net | [4] | $ 3 | $ 3
[1] | Includes intangible assets related to broker and contractor origination networks, vendor networks, and customer relationships.
[2] | Includes intangible assets primarily related to acquired trust services, trade names, intellectual property, and employee agreements.
[3] | Includes a DUS license acquired in 2014 and commercial real estate licenses acquired in 2021 that are non-amortizing intangible assets. In 2022, an immaterial purchase accounting adjustment resulted in an update to commercial real estate licenses. Refer to Note 6 for additional information related to the DUS license.
[4] | Includes non-amortizing intangible assets related to other acquired trust services.

X
- Definition Other Intangible Assets [Line Items] + References No definition available. + Details
Name: | rf_OtherIntangibleAssetsLineItems
Namespace Prefix: | rf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CoreDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=rf_PurchasedCreditCardRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=rf_FannieMaeDUSLicenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |