Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Statement of Cash Flows [Abstract]
Net cash provided by operating activities	$ 6,304	$ 5,308
Cash flows from investing activities
Purchases of retail finance receivables, net	(19,866)	(17,794)
Principal collections and recoveries on retail finance receivables	17,733	12,010
Net funding of commercial finance receivables	(599)	(886)
Purchases of leased vehicles, net	(12,488)	(13,051)
Proceeds from termination of leased vehicles	9,983	8,094
Other investing activities	(37)	(100)
Net cash used in investing activities	(5,274)	(11,727)
Cash flows from financing activities
Net change in debt (original maturities less than three months)	27	1,563
Borrowings and issuances of secured debt	17,880	18,541
Payments on secured debt	(21,707)	(18,710)
Borrowings and issuances of unsecured debt	8,796	9,552
Payments on unsecured debt	(7,278)	(4,423)
Debt issuance costs	(102)	(118)
Proceeds from issuance of preferred stock	0	492
Dividends paid	(91)	(59)
Net cash (used in) provided by financing activities	(2,475)	6,838
Net (decrease) increase in cash, cash equivalents and restricted cash	(1,445)	419
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(20)	(56)
Cash, cash equivalents and restricted cash at beginning of period	7,443	6,567
Cash, cash equivalents and restricted cash at end of period	5,978	6,930
Supplemental Cash Flow Elements [Abstract]
Total	$ 7,443	$ 6,567