Variable Interest Entities and Other Transfers of Finance Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Restricted cash	$ 3,532
Finance receivables, net of fees	79,005	$ 74,514
Lease related assets	31,560	32,701
Secured debt	42,004	42,131
Securitization and Credit Facility VIEs
Variable Interest Entity [Line Items]
Restricted cash	3,359	2,535
Finance receivables, net of fees	38,082	38,774
Lease related assets	16,857	18,456
Secured debt	$ 42,072	$ 42,188