The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).

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This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held due to increases in cash flows expected to be collected and recognized over the remaining life of the security.

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This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.

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Amount before tax of other than temporary impairment (OTTI) loss on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss.

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The cash inflow from securitizing loans held with the intention to resell in the near future.

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SECURITIES - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Impaired debt securities sold	$ 0	$ 0	$ 0
Pretax non-credit related losses were deferred in OCI	35	41	60
Other/non-agency
Schedule of Available-for-sale Securities [Line Items]
Cumulative balance at end of period	10	8	24
Mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Securitizations of loans	18	106	21
Available-for-sale Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cumulative balance at end of period	62	56	55	38
Reductions due to increases in cash flow expectations on impaired securities	4	7	7
Held-to-maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cumulative balance at end of period	$ 0	$ 0