Net Investments in Operating Leases (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 426	$ 415
Net Investment in Operating Leases	$ 21,057	21,821
Maximum [Member]
Net Investment in Operating Leases, Length of Lease	60 months
Property Subject to Operating Lease [Member]
Property Subject to or Available for Operating Lease, Gross	$ 25,193	26,055
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	4,136	4,234
Net Investment in Operating Leases	$ 21,057	$ 21,821

Amount, before accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919398-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123405975&loc=d3e41551-112718

Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=123422147&loc=d3e41457-112716

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant