Variable Interest Entities (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Restricted cash	$ 208	$ 190
Finance receivables	90,202	93,510
Lease related assets	33,609	31,586
Secured debt	49,394	49,573
Securitization and Credit Facility VIEs
Variable Interest Entity [Line Items]
Restricted cash	2,856	2,761
Finance receivables	49,948	55,456
Lease related assets	16,094	14,252
Secured debt	$ 49,413	$ 49,646