Segment Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 11,119	$ 9,416	$ 10,250
Income before income taxes	1,322	2,437	4,731
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	2,309	2,240	1,626
Interest expense	6,311	3,334	2,790
Provision for credit losses	278	39	(310)
Net finance receivables and net investment in operating leases	133,155	122,334	117,517
Total assets	149,205	138,576	134,945
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	11,119	9,416	10,250
Income before income taxes	1,495	2,270	4,744
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	2,309	2,240	1,626
Interest expense	6,125	3,458	2,844
Provision for credit losses	278	39	(310)
Net finance receivables and net investment in operating leases	133,155	122,334	117,517
Total assets	149,205	138,576	134,945
Operating Segments [Member] | Europe Segment
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases		(31)
Operating Segments [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Total revenue	9,362	8,189	8,911
Income before income taxes	1,114	2,094	4,317
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	2,284	2,271	1,615
Interest expense	5,199	3,035	2,419
Provision for credit losses	237	10	(333)
Net finance receivables and net investment in operating leases	107,695	98,869	94,258
Total assets	118,611	110,023	107,409
Operating Segments [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Total revenue	1,316	829	878
Income before income taxes	306	314	281
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	25		11
Interest expense	684	233	247
Provision for credit losses	10	(10)	(10)
Net finance receivables and net investment in operating leases	20,249	18,400	17,619
Total assets	24,601	22,690	20,837
Operating Segments [Member] | Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total revenue	441	398	461
Income before income taxes	75	(138)	146
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	0	0	0
Interest expense	242	190	178
Provision for credit losses	31	39	33
Net finance receivables and net investment in operating leases	5,211	5,065	5,640
Total assets	5,993	5,863	6,699
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Total revenue	0	0	0
Income before income taxes	(173)	167	(13)
Other disclosures [Abstract]
Depreciation on vehicles subject to operating leases	0	0	0
Interest expense	186	(124)	(54)
Provision for credit losses	0	0	0
Net finance receivables and net investment in operating leases	0	0	0
Total assets	$ 0	$ 0	$ 0