Fair Value Disclosures - Summary of Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Carrying Amount
Assets
Finance receivables, net (excluding finance leases)	$ 27,676	$ 25,346
Liabilities
Long-term debt	29,410	27,103
Fair Value \| Fair Value, Level 3
Assets
Finance receivables, net (excluding finance leases)	27,230	25,012
Fair Value \| Fair Value, Level 2
Liabilities
Long-term debt	29,415	27,204
Carrying amount of assets excluded from measurement at fair value
Liabilities
Finance leases and failed sale leasebacks, Carrying Value	$ 7,130	$ 7,470

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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