Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Discount revenue earned from purchased Card Member receivables and Card Member loans	$ 317	$ 305	$ 524	$ 608
Interest income from affiliates and other	10	95	47	205
Finance revenue	22	18	44	37
Total revenues	349	418	615	850
Expenses
Provisions for credit losses	173	51	276	114
Interest expense	53	131	132	300
Interest expense to affiliates	12	131	65	235
Other, net	(3)	(25)	(14)	(48)
Total expenses	235	288	459	601
Pretax income	114	130	156	249
Income tax provision	32	18	52	34
Net income	$ 82	$ 112	$ 104	$ 215