COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Contingencies And Commitments [Line Items]
Accrued incentives (fund level)	$ 1,900,000,000	$ 1,800,000,000
Compensation expense related to accrued incentives (fund level)	784,800,000	739,100,000
Capital commitments	386,500,000	349,900,000
Consolidated Funds
Contingencies And Commitments [Line Items]
Aggregate potential credit and investment commitments	0	$ 0
Oaktree Opportunities Fund XI, L.P.
Contingencies And Commitments [Line Items]
Capital commitments	112,500,000
Oaktree Opportunities Fund XII, L.P.
Contingencies And Commitments [Line Items]
Capital commitments	$ 750,000,000