XML 96 R84.htm IDEA: XBRL DOCUMENT
v3.22.1

FAIR VALUE MEASUREMENTS - Unobservable Inputs Used and Valuation Techniques (Details) - Level 3 | Mar. 31, 2022
--- | ---
Mortgage servicing rights | Minimum | Discounted Cash Flow | Constant prepayment rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Mortgage servicing rights, measurement input | 0.0774
Mortgage servicing rights | Minimum | Discounted Cash Flow | Option adjusted spread |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Mortgage servicing rights, measurement input | 4
Mortgage servicing rights | Maximum | Discounted Cash Flow | Constant prepayment rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Mortgage servicing rights, measurement input | 0.2235
Mortgage servicing rights | Maximum | Discounted Cash Flow | Option adjusted spread |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Mortgage servicing rights, measurement input | 10.60
Mortgage servicing rights | Weighted Average | Discounted Cash Flow | Constant prepayment rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Mortgage servicing rights, measurement input | 0.088
Mortgage servicing rights | Weighted Average | Discounted Cash Flow | Option adjusted spread |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Mortgage servicing rights, measurement input | 6.21
Customer commodity contracts | Minimum | Internal Model | Pull through rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Other derivative contracts, measurement input | 0.1862
Customer commodity contracts | Minimum | Internal Model | MSR value |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Other derivative contracts, measurement input | 0.0437
Customer commodity contracts | Maximum | Internal Model | Pull through rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Other derivative contracts, measurement input | 1.0006
Customer commodity contracts | Maximum | Internal Model | MSR value |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Other derivative contracts, measurement input | 1.7745
Customer commodity contracts | Weighted Average | Internal Model | Pull through rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Other derivative contracts, measurement input | 0.8266
Customer commodity contracts | Weighted Average | Internal Model | MSR value |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Other derivative contracts, measurement input | 1.0000

X
- Definition Value of input used to measure net derivative asset (liability). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_DerivativeAssetLiabilityNetMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure servicing asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_ServicingAssetMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputConstantPrepaymentRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=cfg_MeasurementInputOptionAdjustedSpreadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=cfg_ValuationTechniqueInternalModelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=cfg_MeasurementInputPullThroughRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=cfg_MeasurementInputMSRValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |