INVESTMENTS - Interest Income and Capital Structuring Service and Other Fees Earned (Details) - Senior Direct Lending Program - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Schedule of Investments [Line Items]
Interest income	$ 45	$ 43	$ 88	$ 86
Capital structuring service and other fees	$ 2	$ 6	$ 5	$ 7