SEGMENT REPORTING - Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Segment Reporting [Abstract] | ||||
| Total expenses | $ 659 | $ 557 | $ 1,392 | $ 1,059 |
| Equity Method Investments, Expenses | 250 | 219 | 506 | 450 |
| Costs Recovered From Affiliates | (101) | (137) | (168) | (129) |
| Carried Interest Allocation Compensation | (51) | (16) | (262) | (162) |
| Interest expense | (53) | (31) | (90) | (34) |
| Other Nonrecurring Expense | (20) | (11) | (42) | (15) |
| Interest expense of consolidated funds | (7) | (6) | (17) | (16) |
| Segment Expense | 677 | 575 | 1,319 | 1,153 |
| Total segment compensation and benefits | 478 | 421 | 934 | 845 |
| Total segment facilities, technology and professional fees | 100 | 86 | 198 | 175 |
| Total segment travel and other operating expenses | $ 99 | $ 68 | $ 187 | $ 133 |