Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 2,326	$ 2,717
Income before income taxes	754	962
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	515	568
Interest expense	611	804
Financing Receivable, Credit Loss, Expense (Reversal)	(64)	(40)
Provision for credit losses		(40)
Net finance receivables and net investment in operating leases	117,395	127,138
Total assets	133,577	147,268	$ 134,945
Reportable segments
Segment Reporting Information [Line Items]
Total revenue	2,326	2,717
Income before income taxes	678	1,047
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	515	568
Interest expense	654	774
Financing Receivable, Credit Loss, Expense (Reversal)	(64)	(40)
Net finance receivables and net investment in operating leases	117,395	127,138
Total assets	133,577	147,268
Reportable segments | Americas [Member]
Other disclosures [Abstract]
Net finance receivables and net investment in operating leases	93,955	100,542
Total assets	106,762	116,720
Reportable segments | Europe [Member]
Other disclosures [Abstract]
Net finance receivables and net investment in operating leases	17,991	21,943
Total assets	20,633	25,110
Reportable segments | Asia Pacific [Member]
Other disclosures [Abstract]
Net finance receivables and net investment in operating leases	5,449	4,653
Total assets	6,182	5,438
Reportable segments | United States and Canada
Segment Reporting Information [Line Items]
Total revenue	2,029	2,384
Income before income taxes	783	996
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	526	562
Interest expense	542	638
Financing Receivable, Credit Loss, Expense (Reversal)	(67)	(52)
Reportable segments | Europe
Segment Reporting Information [Line Items]
Total revenue	195	241
Income before income taxes	69	66
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	(11)	6
Interest expense	55	80
Financing Receivable, Credit Loss, Expense (Reversal)	(3)	(1)
Reportable segments | All Other
Segment Reporting Information [Line Items]
Total revenue	102	92
Income before income taxes	(174)	(15)
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	0	0
Interest expense	57	56
Financing Receivable, Credit Loss, Expense (Reversal)	6	13
Unallocated other
Segment Reporting Information [Line Items]
Total revenue	0	0
Income before income taxes	76	(85)
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	0	0
Interest expense	(43)	30
Financing Receivable, Credit Loss, Expense (Reversal)	0	0
Net finance receivables and net investment in operating leases	0	0
Total assets	$ 0	$ 0