Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Net cash provided by operating activities - continuing operations	$ 3,565	$ 3,143
Net cash provided by operating activities - discontinued operations	0	176
Net cash provided by operating activities	3,565	3,319
Cash flows from investing activities
Purchases of retail finance receivables, net	(11,119)	(10,698)
Principal collections and recoveries on retail finance receivables	7,593	6,020
Net funding of commercial finance receivables	(516)	(1,761)
Purchases of leased vehicles, net	(9,122)	(9,884)
Proceeds from termination of leased vehicles	5,303	2,724
Other investing activities	(34)	(47)
Net cash used in investing activities - continuing operations	(7,895)	(13,646)
Net cash used in investing activities - discontinued operations	0	(364)
Net cash used in investing activities	(7,895)	(14,010)
Cash flows from financing activities
Net change in debt (original maturities less than three months)	695	(351)
Borrowings and issuances of secured debt	12,405	15,670
Payments on secured debt	(13,135)	(11,690)
Borrowings and issuances of unsecured debt	8,431	11,033
Payments on unsecured debt	(3,783)	(1,201)
Debt issuance costs	(92)	(95)
Dividends paid	(30)	0
Net cash provided by financing activities - continuing operations	4,491	13,366
Net cash provided by financing activities - discontinued operations	0	65
Net cash provided by financing activities	4,491	13,431
Net increase in cash, cash equivalents and restricted cash	161	2,740
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(60)	78
Cash, cash equivalents and restricted cash at beginning of period	6,567	5,302
Cash, cash equivalents and restricted cash at end of period	6,668	8,120
Supplemental Cash Flow Elements [Abstract]
Total	6,567	5,302
Continuing Operations [Member]
Cash flows from financing activities
Cash, cash equivalents and restricted cash at end of period	6,668	7,497
Supplemental Cash Flow Elements [Abstract]
Total	6,668	7,497
Discontinued Operations [Member]
Cash flows from financing activities
Cash, cash equivalents and restricted cash at end of period	0	623
Supplemental Cash Flow Elements [Abstract]
Total	$ 0	$ 623

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