XML 181 R115.htm IDEA: XBRL DOCUMENT v2.4.1.9
STOCKHOLDERS' EQUITY (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Oct. 08, 2014
Apr. 08, 2014
Preferred Stock            
Number of shares of preferred stock authorized 100,000,000us-gaap_PreferredStockSharesAuthorized 100,000,000us-gaap_PreferredStockSharesAuthorized 30,000us-gaap_PreferredStockSharesAuthorized      
Preferred stock par value (in Dollars per Share) $ 25us-gaap_PreferredStockParOrStatedValuePerShare $ 25us-gaap_PreferredStockParOrStatedValuePerShare $ 1us-gaap_PreferredStockParOrStatedValuePerShare      
Treasury Stock            
Long-term borrowed funds $ 4,642us-gaap_LongTermDebt $ 4,642us-gaap_LongTermDebt $ 1,405us-gaap_LongTermDebt      
Shares repurchased (in shares) 80,358us-gaap_StockRepurchasedDuringPeriodShares          
Cost of stock repurchase 2us-gaap_PaymentsForRepurchaseOfCommonStock 334us-gaap_PaymentsForRepurchaseOfCommonStock 0us-gaap_PaymentsForRepurchaseOfCommonStock 0us-gaap_PaymentsForRepurchaseOfCommonStock    
Shares repurchased, price per share (in dollars per share) $ 25.03us-gaap_TreasuryStockAcquiredAverageCostPerShare          
RBSG            
Treasury Stock            
Shares repurchased (in shares)         14,297,761us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
 
Cost of stock repurchase         334us-gaap_PaymentsForRepurchaseOfCommonStock
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
 
Shares repurchased, price per share (in dollars per share)         $ 23.36us-gaap_TreasuryStockAcquiredAverageCostPerShare
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
 
RBSG | Subordinated Debt | 4.082% fixed rate subordinated debt, due 2025            
Treasury Stock            
Long-term borrowed funds $ 334us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= cfg_A4.082FixedRateSubordinatedDebtDue2025Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
$ 334us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= cfg_A4.082FixedRateSubordinatedDebtDue2025Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
$ 0us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= cfg_A4.082FixedRateSubordinatedDebtDue2025Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
     
Debt term         10 years  
Interest rate 4.082%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= cfg_A4.082FixedRateSubordinatedDebtDue2025Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
4.082%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= cfg_A4.082FixedRateSubordinatedDebtDue2025Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= cfg_RBSGMember
       
Noncumulative Preferred Stock            
Preferred Stock            
Number of shares of preferred stock authorized           30,000us-gaap_PreferredStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= us-gaap_NoncumulativePreferredStockMember
Preferred stock par value (in Dollars per Share)           1us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_NoncumulativePreferredStockMember
Preferred stock redemption price (in Dollars per Share)           100,000us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementClassOfStockAxis
= us-gaap_NoncumulativePreferredStockMember
Noncumulative Preferred Stock | LIBOR            
Preferred Stock            
Dividend variable rate           1.80%cfg_PreferredStockDividendPaymentRateBasisSpreadonVariableRate
/ us-gaap_StatementClassOfStockAxis
= us-gaap_NoncumulativePreferredStockMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember