Consolidated Statements Of Income And Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue
Finance charge income	$ 3,475	$ 2,563	$ 1,594
Leased vehicle income	1,090	595	289
Other income	289	186	77
Total revenue	4,854	3,344	1,960
Costs and expenses
Salaries and benefits	614	448	298
Other operating expenses	548	322	100
Total operating expenses	1,162	770	398
Leased vehicle expenses	847	453	211
Provision for loan losses	604	475	304
Interest expense	1,426	721	283
Acquisition and integration expenses	0	42	20
Total costs and expenses	4,039	2,461	1,216
Income before income taxes	815	883	744
Income tax provision (Note 14)	278	317	281
Net income	537	566	463
Other comprehensive income
Unrealized losses on cash flow hedges	0	0	(3)
Defined benefit plans, net	(14)	3	0
Foreign currency translation adjustment	(430)	11	6
Income tax provision	0	0	1
Other comprehensive (loss) income, net	(444)	14	4
Comprehensive income	$ 93	$ 580	$ 467