Commitments and Contingencies - Schedule of Fair Value, Off-balance Sheet Risks (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Financing assets (excluding leases)
Other Commitments [Line Items]
Credit related commitments	$ 23,452	$ 13,011
Standby letters of credit
Other Commitments [Line Items]
Credit related commitments	436	92
Other letters of credit
Other Commitments [Line Items]
Credit related commitments	44	24
Deferred Purchase Agreements
Other Commitments [Line Items]
Credit related commitments	2,039	0
Lessor commitments
Other Commitments [Line Items]
Credit related commitments	$ 941	$ 0