Investments - Schedule of Roll Forward of Performance Allocations Balance (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Performance Allocation [Roll Forward] | |||
| Total performance allocations, beginning balance | $ 3,274 | $ 2,941 | |
| Change in fair value of funds and other | 1,350 | 1,261 | |
| Fund distributions to the Company | (1,070) | (928) | |
| Total performance allocations, ending balance | $ 3,554 | $ 3,274 | |
| Bridge Investment Group Holdings Inc | |||
| Performance Allocation [Roll Forward] | |||
| Change in fair value of funds and other | $ 320 | ||