OTHER NON-INTEREST INCOME AND OTHER NON-INTEREST EXPENSES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Noninterest Income [Abstract]
Payment protection products	$ 39	$ 35	$ 116	$ 103
Loss from equity method investment	(11)		(44)
Other	2	10	3	11
Total other non-interest income	30	45	75	114
Other Noninterest Expenses [Abstract]
Professional services and regulatory fees	33	40	102	105
Occupancy expense	5	6	17	21
Other	16	24	48	55
Total other non-interest expenses	$ 54	$ 70	$ 167	$ 181