Variable Interest Entities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Restricted cash	$ 2,967	$ 2,671
Finance receivables, net of fees	84,637	74,514
Lease related assets	30,582	32,701	$ 37,900
Secured debt	45,243	42,131
Securitization and Credit Facility VIE
Variable Interest Entity [Line Items]
Restricted cash	2,765	2,535
Finance receivables, net of fees	46,648	38,774
Lease related assets	15,794	18,456
Secured debt	$ 45,299	$ 42,188