Net Investments in Operating Leases (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 462	$ 453
Net Investment in Operating Leases	$ 20,110	20,332
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	$ 23,907	24,182
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	3,797	3,850
Net Investment in Operating Leases	$ 20,110	$ 20,332

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://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
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-Section 50
-Paragraph 1
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Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant