Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 2,143	$ 1,669
Cash flows from investing activities
Purchases of retail finance receivables, net	(7,222)	(5,073)
Principal collections and recoveries on retail finance receivables	5,990	3,576
Net collections of commercial finance receivables	380	32
Purchases of leased vehicles, net	(3,747)	(4,496)
Proceeds from termination of leased vehicles	3,059	2,379
Other investing activities	(16)	(20)
Net cash used in investing activities	(1,556)	(3,602)
Cash flows from financing activities
Net change in debt (original maturities less than three months)	479	23
Borrowings and issuances of secured debt	6,530	5,602
Payments on secured debt	(7,789)	(6,166)
Borrowings and issuances of unsecured debt	4,544	3,861
Payments on unsecured debt	(2,893)	(486)
Debt issuance costs	(34)	(40)
Dividends paid	(46)	(30)
Net cash provided by financing activities	791	2,764
Net increase in cash, cash equivalents and restricted cash	1,378	831
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	8	8
Cash, cash equivalents and restricted cash at beginning of period	7,443	6,567
Cash, cash equivalents and restricted cash at end of period	8,829	7,406
Supplemental Cash Flow Elements [Abstract]
Total	$ 7,443	$ 6,567