OTHER OPERATING EXPENSE (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Income and Expenses [Abstract]
Deposit insurance	$ 23	$ 18	$ 69	$ 67
Promotional expense	19	18	60	56
Settlements and operating losses	10	9	74	32
Postage and delivery	12	14	37	39
Other	58	64	199	190
Other operating expense	$ 122	$ 123	$ 439	$ 384