XML 97 R82.htm IDEA: XBRL DOCUMENT
v3.10.0.1

BORROWED FUNDS - Short Term Debt (Details) - USD ($) $ in Millions | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Short-term Debt [Line Items] |  |  |
Total short-term borrowed funds |  | $ 2,380 | $ 2,671
Federal funds purchased |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term borrowed funds |  | 0 | 460
Securities sold under agreements to repurchase |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term borrowed funds |  | 374 | 355
Other short-term borrowed funds |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term borrowed funds | [1] | 2,006 | 1,856
CBNA Global Bank Note Program |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term borrowed funds |  | 1,500 | 750
Unamortized deferred issuance costs and/or discounts |  | (1) | (1)
Other basis adjustments |  | $ (5) | $ (4)
[1] | September 30, 2018 includes $1.5 billion of debt issued under CBNA’s Global Bank Note Program maturing within one year, with unamortized deferred issuance costs and/or discounts of ($1) million and other basis adjustments of ($5) million. December 31, 2017 includes $750 million of debt issued under CBNA’s Global Bank Note Program maturing within one year, with unamortized deferred issuance costs and/or discounts of ($1) million and other basis adjustments of ($4) million.

X
- Definition Short-term Debt, Other Basis Adjustments + References No definition available. + Details
Name: | cfg_ShorttermDebtOtherBasisIncreaseDecrease
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_ShortTermBorrowings
Namespace Prefix: | us-gaap_
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_ShortTermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_FederalFundsPurchasedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cfg_OtherShorttermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cfg_CBNAGlobalBankNoteProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |