ALLOWANCE FOR CREDIT LOSSES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Allowance for Loan Loss
Payments allocated to future purchase activity	$ 0		$ 0
Balance at beginning of period	1,992	$ 1,635	1,832	$ 2,008
Provision for credit losses	304	161	902	180
Net principal losses	(223)	(151)	(661)	(543)
Balance at end of period	2,073	1,645	2,073	1,645
Recoveries	47	36	126	128
Adjustment related to the effects of the purchase of previously written-off accounts that were sold to a third-party debt collection agency	5	$ 0	5	$ 0
Installment (other) loans
Allowance for Loan Loss
Balance at beginning of period			14
Balance at end of period	$ 19		$ 19