XML 83 R71.htm IDEA: XBRL DOCUMENT
v3.22.2.2

MORTGAGE BANKING AND OTHER - Economic Assumptions Used to Estimate Value of MSRs (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract] |  |
Fair value | $ 1,524 | $ 1,029
Weighted average life (years) | 9 years 2 months 12 days | 6 years 4 months 24 days
Weighted average constant prepayment rate | 6.80% | 10.70%
Weighted average option adjusted spread | 6.27% | 5.96%
Minimum |  |
Servicing Assets at Fair Value [Line Items] |  |
Sensitivity analysis, basis spread | 10.00% |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract] |  |
Decline in fair value from 10% adverse change | $ 34 | $ 45
Decline in fair value from 10% adverse change | $ 42 | 25
Maximum |  |
Servicing Assets at Fair Value [Line Items] |  |
Sensitivity analysis, basis spread | 20.00% |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract] |  |
Decline in fair value from 20% adverse change | $ 66 | 87
Decline in fair value from 20% adverse change | $ 85 | $ 50

X
- Definition Sensitivity Analysis Of Fair Value, Fair Value Method, Transferor's Interests In Transferred Financial Assets, Impact Of 1 Percent Adverse Change In Option Adjusted Spread + References No definition available. + Details
Name: | cfg_SensitivityAnalysisOfFairValueFairValueMethodTransferorsInterestsInTransferredFinancialAssetsImpactOf1PercentAdverseChangeInOptionAdjustedSpread
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis Of Fair Value, Fair Value Method, Transferor's Interests In Transferred Financial Assets, Impact Of 1 Percent Averse Change In Prepayment Speed + References No definition available. + Details
Name: | cfg_SensitivityAnalysisOfFairValueFairValueMethodTransferorsInterestsInTransferredFinancialAssetsImpactOf1PercentAverseChangeInPrepaymentSpeed
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis Of Fair Value, Fair Value Method, Transferor's Interests In Transferred Financial Assets, Impact of 0.5 Percent Adverse Change In Prepayment Speed + References No definition available. + Details
Name: | cfg_SensitivityAnalysisOfFairValueFairValueMethodTransferorsInterestsInTransferredFinancialAssetsImpactof0.5PercentAdverseChangeInPrepaymentSpeed
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis Of Fair Value, Fair Value Method, Transferor's Interests In Transferred Financial Assets, Impact of 0.5 Percent Adverse Change Option Adjusted Spread + References No definition available. + Details
Name: | cfg_SensitivityAnalysisOfFairValueFairValueMethodTransferorsInterestsInTransferredFinancialAssetsImpactof0.5PercentAdverseChangeOptionAdjustedSpread
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sensitivity Analysis of Fair Value Inputs, Basis Spread + References No definition available. + Details
Name: | cfg_SensitivityAnalysisofFairValueInputsBasisSpread
Namespace Prefix: | cfg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + 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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
Name: | us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount rate used to estimate the fair value of servicing assets and servicing liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122596-111746 + Details
Name: | us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated rate of prepayments of principal on servicing assets and servicing liabilities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122596-111746 + Details
Name: | us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122596-111746 + Details
Name: | us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
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: |