Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 4,293	$ 3,565
Cash flows from investing activities
Purchases of retail finance receivables, net	(14,450)	(11,119)
Principal collections and recoveries on retail finance receivables	12,096	7,593
Net funding of commercial finance receivables	(220)	(516)
Purchases of leased vehicles, net	(8,189)	(9,122)
Proceeds from termination of leased vehicles	6,444	5,303
Other investing activities	(30)	(34)
Net cash used in investing activities	(4,349)	(7,895)
Cash flows from financing activities
Net change in debt (original maturities less than three months)	243	695
Borrowings and issuances of secured debt	12,857	12,405
Payments on secured debt	(14,743)	(13,135)
Borrowings and issuances of unsecured debt	6,668	8,431
Payments on unsecured debt	(5,659)	(3,783)
Debt issuance costs	(78)	(92)
Dividends paid	(46)	(30)
Net cash (used in) provided by financing activities	(758)	4,491
Net (decrease) increase in cash, cash equivalents and restricted cash	(814)	161
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	22	(60)
Cash, cash equivalents and restricted cash at beginning of period	7,443	6,567
Cash, cash equivalents and restricted cash at end of period	6,651	6,668
Supplemental Cash Flow Elements [Abstract]
Total	$ 7,443	$ 6,567