CREDIT CARD AND OTHER LOANS - Amortized Cost Basis Credit Card and Loan Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Receivables	$ 16,537	$ 16,284
Total	17,829	17,133
31 to 60 days delinquent
Financing Receivable, Past Due [Line Items]
Receivables	411	262
61 to 90 days delinquent
Financing Receivable, Past Due [Line Items]
Receivables	272	186
91 or more days delinquent
Financing Receivable, Past Due [Line Items]
Receivables	609	401
Total delinquent
Financing Receivable, Past Due [Line Items]
Receivables	$ 1,292	$ 849