OTHER INCOME (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Other Income and Expenses [Abstract]
Bank-owned life insurance income	$ 14	$ 14	$ 40	$ 40
Other	5	76	10	93
Other income	$ 19	$ 90	$ 50	$ 133