XML 84 R72.htm IDEA: XBRL DOCUMENT
v3.22.2.2

MORTGAGE BANKING AND OTHER - Other Serviced Loans (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Education |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other serviced loans | $ 621 | $ 761
Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other serviced loans | 604 | 80
Commercial and industrial | Loans Insured or Guaranteed by US Government Authorities |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other serviced loans | 92 |
Commercial and industrial | Investors Acquisition |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other serviced loans | 512 |
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Other serviced loans | $ 354 | $ 0

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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
Name: | us-gaap_ServicingAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Details
Name: | us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis=us-gaap_LoansInsuredOrGuaranteedByUsGovernmentAuthoritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cfg_InvestorsAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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