FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - Level 3 - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Unrealized appreciation (depreciation) on investments	$ 369	$ 238
Net unrealized gains (losses)	$ 111	$ 282