Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues
Discount revenue earned from purchased Card Member receivables and Card Member loans	$ 77	$ 38	$ 212	$ 562
Interest income from affiliates and other	88	19	270	66
Finance revenue	14	19	47	63
Total revenues	179	76	529	691
Expenses
Provisions for credit losses	29	(12)	(9)	264
Interest expense	25	37	82	169
Interest expense to affiliates	4	5	10	70
Other, net	3	0	9	(14)
Total expenses	61	30	92	489
Pretax income	118	46	437	202
Income tax provision	29	20	72	72
Net income	$ 89	$ 26	$ 365	$ 130