TRANSFERS OF RECEIVABLES AND VARIABLE INTEREST ENTITIES - Schedule of Fair Value of Derivative Instruments with External Counterparties Related to Securitization (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derivative Asset	$ 1,528	$ 784
Derivative Liability	947	1,992
Variable Interest Entity, Primary Beneficiary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derivative Asset	21	34
Derivative Liability	40	100
Securitization Transactions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derivative Asset	30	102
Derivative Liability	103	159
Securitization Transactions \| Derivatives related to the VIEs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derivative Asset	8	29
Derivative Liability	23	32
Securitization Transactions \| Other securitization related derivatives
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derivative Asset	1	39
Derivative Liability	40	27
Securitization Transactions \| Variable Interest Entity, Primary Beneficiary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derivative Asset	21	34
Derivative Liability	$ 40	$ 100

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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