Variable Interest Entities (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Restricted cash	$ 2,937
Finance receivables	88,151	$ 84,637
Lease related assets	30,345	30,582
Secured debt	44,630	45,243
Securitization and Credit Facility VIEs
Variable Interest Entity [Line Items]
Restricted cash	2,739	2,765
Finance receivables	48,574	46,648
Lease related assets	15,121	15,794
Secured debt	$ 44,708	$ 45,299