COMMITMENTS AND CONTINGENCIES - Narrative (Details) (USD $)	9 Months Ended		69 Months Ended		1 Months Ended		9 Months Ended						9 Months Ended	12 Months Ended
	Sep. 30, 2014 counterparty	Sep. 30, 2013	Sep. 30, 2014	Dec. 31, 2013	Apr. 30, 2013 Consent Orders	Sep. 30, 2014 Consent Orders	Sep. 30, 2014 Minimum	Sep. 30, 2014 Maximum	Sep. 30, 2014 Letter of Credit	Dec. 31, 2013 Letter of Credit	May 29, 2014 Auto Loans Minimum	May 29, 2014 Auto Loans Maximum	Sep. 30, 2014 Marketing rights	Dec. 31, 2013 Marketing rights	Dec. 31, 2003 Marketing rights	Sep. 30, 2014 Credit Risk Contract RBS Options Held	Dec. 31, 2013 Credit Risk Contract RBS Options Held
Commitments [Abstract]
Purchase commitment, Quarterly amount, May 30, 2014 through May 29, 2015											$ 250,000,000	$ 600,000,000
Purchase commitment, Quarterly amount, May 30, 2015 and after											400,000,000	600,000,000
Commitment period															25 years
Payments made													3,000,000	3,000,000
Remaining obligation due													51,000,000
Letters of Credit [Abstract]
Letters of credit outstanding									3,000,000	3,000,000
Risk Participation Agreements [Abstract]
Risk participation agreements	16,000,000		16,000,000	17,000,000
Risk participation agreements number of counterparties	73
Risk participation agreements, Average term							1 year	5 years
Risk participation agreements, Maximum term	11 years
Guarantees [Abstract]
Notional value of open option contracts																404,000	2,000,000
Consumer Products [Abstract]
Litigation settlement amount					10,000,000
Restitution amount payable						8,000,000
Mortgage Repurchase Demands [Abstract]
Mortgage repurchase demands received	22,000,000	30,000,000	154,000,000
Indemnification payment requests received			98,000,000
Repurchased mortgage loans	22,000,000	30,000,000	85,000,000
Indemnification payment requests paid	$ 7,000,000	$ 8,000,000	$ 33,000,000