Net Investment in Operating Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Leased Assets [Line Items]
Total	$ 28,829	$ 27,093
Operating Segments [Member] | Automotive
Operating Leased Assets [Line Items]
Vehicles, net of depreciation	1,620	2,014
Operating Segments [Member] | Financial Services
Operating Leased Assets [Line Items]
Vehicles and other equipment, at cost (a)	32,823	29,673
Accumulated depreciation	(5,550)	(4,545)
Allowance for credit losses	(64)	(49)
Total	27,209	25,079
Operating Leases, Income Statement, Lease Revenue [Abstract]
Operating lease depreciation expense	4,330	3,640	$ 3,098
Operating Leases, Future Minimum Payments Receivable [Abstract]
Operating Leases, Future Minimum Payments Receivable, Current	4,349
Operating Leases, Future Minimum Payments Receivable, in Two Years	2,750
Operating Leases, Future Minimum Payments Receivable, in Three Years	949
Operating Leases, Future Minimum Payments Receivable, in Four Years	66
Thereafter	5
Minimum rentals on operating leases	8,119
Securitization Transactions VIE Primary Beneficiary and Non VIEs Primary Beneficiary [Member]
Operating Leased Assets [Line Items]
Total	11,800	13,300
Securitization Transactions VIE Primary Beneficiary and Non VIEs Primary Beneficiary [Member] | Operating Segments [Member] | Financial Services
Operating Leased Assets [Line Items]
Total	$ 11,800	$ 13,300