XML 75 R57.htm IDEA: XBRL DOCUMENT
v3.21.1

ALLOWANCE FOR CREDIT LOSSES, NONACCRUING LOANS AND LEASES, AND CONCENTRATIONS OF CREDIT RISK - Loans with Indicators of High Credit Risk (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
High loan-to-value |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 265 | $ 353
High loan-to-value | Residential Mortgages |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 224 | 289
High loan-to-value | Home Equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 41 | 64
High loan-to-value | Other Retail |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Interest-only |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,936 | 2,801
Interest-only | Residential Mortgages |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2,936 | 2,801
Interest-only | Home Equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Interest-only | Other Retail |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Low introductory rate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 145 | 170
Low introductory rate | Residential Mortgages |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Low introductory rate | Home Equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 | 0
Low introductory rate | Other Retail |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 145 | 170
Multiple characteristics and other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2 |
Multiple characteristics and other | Residential Mortgages |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 2 |
Multiple characteristics and other | Home Equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 |
Multiple characteristics and other | Other Retail |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 0 |
Credit risk, loans with increased credit exposure |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 3,348 | 3,324
Credit risk, loans with increased credit exposure | Residential Mortgages |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 3,162 | 3,090
Credit risk, loans with increased credit exposure | Home Equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | 41 | 64
Credit risk, loans with increased credit exposure | Other Retail |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total | $ 145 | $ 170

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

X
- Definition Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: 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=121593590&loc=d3e4428-111522 + Details
Name: | us-gaap_NotesReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=cfg_CreditRiskHighLoantovalueLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cfg_HomeEquityLoanAndLineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cfg_ConsumerOtherRetailMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=cfg_CreditRiskInterestonlyandNegativeAmortizationResidentialMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=cfg_CreditRiskLowIntroductoryRateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=cfg_CreditRiskMultipleIndicatorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=cfg_CreditRiskLoanProductswithIncreasedCreditExposureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |