Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 4,080	$ 4,293
Cash flows from investing activities
Purchases of retail finance receivables, net	(15,063)	(14,450)
Principal collections and recoveries on retail finance receivables	9,362	12,096
Net collections (funding) of commercial finance receivables	3,952	(220)
Purchases of leased vehicles, net	(6,054)	(8,189)
Proceeds from termination of leased vehicles	5,537	6,444
Net loans to related party	(938)	0
Other investing activities	(19)	(30)
Net cash used in investing activities	(3,223)	(4,349)
Cash flows from financing activities
Net change in debt (original maturities less than three months)	821	243
Borrowings and issuances of secured debt	24,771	12,857
Payments on secured debt	(24,065)	(14,743)
Borrowings and issuances of unsecured debt	7,591	6,668
Payments on unsecured debt	(5,132)	(5,659)
Debt issuance costs	(97)	(78)
Dividends paid	(845)	(46)
Net cash provided by (used in) financing activities	3,044	(758)
Net increase in cash, cash equivalents and restricted cash	3,901	(814)
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(149)	22
Cash, cash equivalents and restricted cash at beginning of period	7,102	7,443
Cash, cash equivalents and restricted cash at end of period	10,854	6,651
Supplemental Cash Flow Elements [Abstract]
Total	$ 10,854	$ 6,651