Fair Value Measurements - Fair values of financial instruments (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Carrying Amount
Assets
Finance receivables, net (excluding finance leases)	$ 25,346	$ 22,026
Liabilities
Long-term debt	27,103	25,406
Fair Value \| Fair Value, Level 2
Liabilities
Long-term debt	27,204	25,304
Fair Value \| Fair Value, Level 3
Assets
Finance receivables, net (excluding finance leases)	25,012	21,593
Carrying amount of assets excluded from measurement at fair value
Liabilities
Finance leases and failed sale leasebacks, Carrying Value	$ 7,470	$ 6,940

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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