Reconciliation of Realized and Net Change in Unrealized Gains (Losses) to Other Income (Loss) - Net Gains (Losses) from Fund Investment Activities in Consolidated Statements of Operations (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Gain (Loss) on Securities [Line Items] | ||
| Realized and Net Change in Unrealized Gains from Consolidated Blackstone Funds | $ 1,144,643 | $ 1,169,506 |
| Other Income – Net Gains from Fund Investment Activities | 99,755 | 57,575 |
| Consolidated Blackstone Funds | ||
| Gain (Loss) on Securities [Line Items] | ||
| Realized Gains | 25,163 | 24,690 |
| Net Change in Unrealized Gains | 69,378 | 26,531 |
| Realized and Net Change in Unrealized Gains from Consolidated Blackstone Funds | 94,541 | 51,221 |
| Interest and Dividend Revenue, Foreign Exchange Gains and Other Gains Attributable to Consolidated Blackstone Funds | 5,214 | 6,354 |
| Other Income – Net Gains from Fund Investment Activities | $ 99,755 | $ 57,575 |