COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Other Commitments [Line Items]
Deferred purchase agreement, borrowings by client	$ 145	$ 166
Deferred purchase agreement, receivables with credit risk	1,570	1,740
Deferred purchase agreement, line of credit facility, maximum borrowing capacity	36	59
Loss contingency (up to)	10
Off-Balance Sheet Commitment
Other Commitments [Line Items]
Credit related commitments	$ 164	$ 79