Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 2,303	$ 2,473	$ 6,977	$ 7,831
Income before income taxes	589	1,077	2,246	3,662
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	579	441	1,643	1,200
Interest expense	851	668	2,119	2,152
Financing Receivable, Credit Loss, Expense (Reversal)	39	(59)	(81)	(265)
Provision for credit losses	39	(59)		(265)
Net finance receivables and net investment in operating leases	115,472	116,463	115,472	116,463
Total assets	127,918	136,068	127,918	136,068	$ 134,945
Reportable segments
Segment Reporting Information [Line Items]
Total revenue	2,303	2,473	6,977	7,831
Income before income taxes	492	1,078	1,948	3,692
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	579	441	1,643	1,200
Interest expense	891	685	2,287	2,181
Financing Receivable, Credit Loss, Expense (Reversal)	39	(59)	(81)	(265)
Net finance receivables and net investment in operating leases	115,472	116,463	115,472	116,463
Total assets	127,918	136,068	127,918	136,068
Reportable segments | Europe [Member]
Other disclosures [Abstract]
Net finance receivables and net investment in operating leases	16,454	18,396	16,454	18,396
Total assets	19,282	21,163	19,282	21,163
Reportable segments | All Other
Other disclosures [Abstract]
Net finance receivables and net investment in operating leases	5,088	5,112	5,088	5,112
Total assets	5,720	5,988	5,720	5,988
Reportable segments | United States and Canada
Other disclosures [Abstract]
Net finance receivables and net investment in operating leases	93,930	92,955	93,930	92,955
Total assets	102,916	108,917	102,916	108,917
Reportable segments | United States and Canada
Segment Reporting Information [Line Items]
Total revenue	2,015	2,129	6,073	6,808
Income before income taxes	394	960	1,840	3,383
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	588	439	1,673	1,185
Interest expense	792	584	1,998	1,857
Financing Receivable, Credit Loss, Expense (Reversal)	42	(67)	(82)	(284)
Reportable segments | Europe
Segment Reporting Information [Line Items]
Total revenue	188	208	604	687
Income before income taxes	74	61	256	220
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	(9)	2	(30)	15
Interest expense	52	57	148	195
Financing Receivable, Credit Loss, Expense (Reversal)	(12)	1	(17)	(6)
Reportable segments | All Other
Segment Reporting Information [Line Items]
Total revenue	100	136	300	336
Income before income taxes	24	57	(148)	89
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	0	0	0	0
Interest expense	47	44	141	129
Financing Receivable, Credit Loss, Expense (Reversal)	9	7	18	25
Unallocated other
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Income before income taxes	97	(1)	298	(30)
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	0	0	0	0
Interest expense	(40)	(17)	(168)	(29)
Financing Receivable, Credit Loss, Expense (Reversal)	0	0	0	0
Net finance receivables and net investment in operating leases	0	0	0	0
Total assets	$ 0	$ 0	$ 0	$ 0