Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues
Discount revenue earned from purchased Card Member receivables and Card Member loans	$ 584	$ 1,204	$ 1,017
Interest income from affiliates and other	166	332	383
Finance revenue	80	79	61
Total revenues	830	1,615	1,461
Expenses
Provisions for credit losses	242	230	249
Interest expense	201	521	626
Interest expense to affiliates	75	433	225
Other, net	(10)	(81)	(55)
Total expenses	508	1,103	1,045
Pretax income	322	512	416
Income tax provision	121	94	29
Net income (loss)	$ 201	$ 418	$ 387