Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Discount revenue earned from purchased Card Member receivables and Card Member loans	$ 70	$ 317	$ 135	$ 524
Interest income from affiliates and other	80	10	182	47
Finance revenue	16	22	33	44
Total revenues	166	349	350	615
Expenses
Provisions for credit losses	(24)	173	(38)	276
Interest expense	24	53	57	132
Interest expense to affiliates	4	12	6	65
Other, net	4	(3)	6	(14)
Total expenses	8	235	31	459
Pretax income	158	114	319	156
Income tax provision	22	32	43	52
Net income	$ 136	$ 82	$ 276	$ 104