Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues
Discount revenue earned from purchased Card Member receivables and Card Member loans	$ 305	$ 271	$ 913	$ 733
Interest income from affiliates and other	62	99	267	278
Finance revenue	21	16	58	44
Total revenues	388	386	1,238	1,055
Expenses
Provisions for losses	56	68	170	190
Interest expense	117	165	417	469
Interest expense to affiliates	102	56	337	125
Other, net	(18)	(10)	(66)	(37)
Total expenses	257	279	858	747
Pretax income	131	107	380	308
Income tax provision (benefit)	21	(2)	55	(18)
Net income	$ 110	$ 109	$ 325	$ 326