Commitments and Contingencies - Schedule of Fair Value, Off-balance Sheet Risks (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Financing assets (excluding leases)
Other Commitments [Line Items]
Credit related commitments	$ 23,373	$ 13,011
Standby letters of credit
Other Commitments [Line Items]
Credit related commitments	412	92
Other letters of credit
Other Commitments [Line Items]
Credit related commitments	47	24
Deferred Purchase Agreements
Other Commitments [Line Items]
Credit related commitments	2,152	0
Lessor commitments
Other Commitments [Line Items]
Credit related commitments	$ 922	$ 0