Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Discount revenue earned from purchased Card Member receivables and Card Member loans	$ 1,204	$ 1,017	$ 760
Interest income from affiliates and other	332	383	279
Finance revenue	79	61	48
Total revenues	1,615	1,461	1,087
Expenses
Provisions for losses	230	249	244
Interest expense	521	626	495
Interest expense to affiliates	433	225	58
Other, net	(81)	(55)	15
Total expenses	1,103	1,045	812
Pretax income	512	416	275
Income tax provision	94	29	878
Net income (loss)	$ 418	$ 387	$ (603)