TRANSFERS OF RECEIVABLES AND VARIABLE INTEREST ENTITIES - Schedule of Interest Expense Related to Securitization Debt (Details) - Securitization Transactions - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Securitization Transactions [Line Items]
Interest expense	$ 2,493	$ 2,775	$ 2,463
Variable Interest Entity, Primary Beneficiary
Schedule of Securitization Transactions [Line Items]
Interest expense	2,027	2,165	1,872
Non-VIE
Schedule of Securitization Transactions [Line Items]
Interest expense	$ 466	$ 610	$ 591

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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+ Details