XML 93 R81.htm IDEA: XBRL DOCUMENT
v3.22.1

FAIR VALUE MEASUREMENTS - Residential Mortgage and Commercial Real Estate Loans Held For Sale (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate Fair Value | $ 1,717 | $ 2,733
Residential mortgage loans held for sale, at fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate Fair Value | 1,595 | 2,657
Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate Fair Value | 1,717 | 2,733
Level 2 | Residential mortgage loans held for sale, at fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate Fair Value | 1,595 | 2,657
Aggregate Unpaid Principal | 1,610 | 2,591
Aggregate Fair Value Greater (Less) Than Aggregate Unpaid Principal | (15) | 66
Level 2 | Commercial and industrial, and commercial real estate loans held for sale, at fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate Fair Value | 122 | 76
Aggregate Unpaid Principal | 127 | 79
Aggregate Fair Value Greater (Less) Than Aggregate Unpaid Principal | $ (5) | $ (3)

X
- Definition The aggregate unpaid principal balance of loans measured at fair value. + References No definition available. + Details
Name: | cfg_FairValueOptionLoansHeldasAssetsAggregateUnpaidPrincipal
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 No definition available. + Details
Name: | us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612 + Details
Name: | us-gaap_FairValueOptionAggregateDifferencesLoansAndLongTermReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before valuation allowance, of financing receivable classified as held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124265262&loc=d3e48678-111004 + Details
Name: | us-gaap_LoansReceivableHeldForSaleAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cfg_ResidentialLoansHeldforsaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cfg_CommercialandCommercialRealEstateLoansHeldforsaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |