Condensed Consolidated Statements Of Income And Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue
Finance charge income	$ 837	$ 842	$ 2,481	$ 2,544
Leased vehicle income	1,590	797	4,164	1,827
Other income	72	68	221	205
Total revenue	2,499	1,707	6,866	4,576
Costs and expenses
Salaries and benefits	223	185	619	531
Other operating expenses	169	135	450	414
Total operating expenses	392	320	1,069	945
Leased vehicle expenses	1,202	629	3,163	1,423
Provision for loan losses	172	144	519	440
Interest expense	541	412	1,505	1,183
Total costs and expenses	2,307	1,505	6,256	3,991
Equity income (Note 6)	36	29	109	85
Income before income taxes	228	231	719	670
Income tax provision (Note 11)	81	52	219	155
Net income	147	179	500	515
Other comprehensive (loss) income, net of tax
Unrealized loss on cash flow hedges	(1)	0	(5)	0
Defined benefit plans	0	0	0	1
Foreign currency translation adjustment	(10)	(282)	60	(524)
Other comprehensive (loss) income, net of tax	(11)	(282)	55	(523)
Comprehensive income (loss)	$ 136	$ (103)	$ 555	$ (8)