Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 1,416	$ 1,158
Cash flows from investing activities
Purchases of retail finance receivables, net	(6,401)	(4,165)
Principal collections and recoveries on retail finance receivables	3,595	3,271
Net funding of commercial finance receivables	(541)	(1,024)
Purchases of leased vehicles, net	(4,794)	(5,158)
Proceeds from termination of leased vehicles	1,082	481
Purchases of property and equipment	(24)	(20)
Other investing activities	0	1
Net cash used in investing activities	(7,083)	(6,614)
Cash flows from financing activities
Net change in debt (original maturities less than three months)	(268)	757
Borrowings and issuance of secured debt	8,361	7,054
Payments on secured debt	(4,805)	(5,251)
Borrowings and issuance of unsecured debt	2,968	3,131
Payments on unsecured debt	(574)	(241)
Debt issuance costs	(27)	(26)
Net cash provided by financing activities	5,655	5,424
Net decrease in cash, cash equivalents and restricted cash	(12)	(32)
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	37	58
Cash, cash equivalents and restricted cash at beginning of period	5,302	5,002
Cash, cash equivalents and restricted cash at end of period	5,327	5,028
Supplemental Cash Flow Elements [Abstract]
Total	$ 5,302	$ 5,002