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Investments - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Schedule of Investments [Line Items] |  |  |
Investments | $ 25,922,290 |  | $ 26,146,622
Recognized net gains related to equity method investments | 156,000 | $ 69,200 |
Equity investments, carrying value | 333,900 |  |
Consolidated Blackstone Funds | Blackstone |  |  |
Schedule of Investments [Line Items] |  |  |
Investments | $ 241,100 |  | $ 1,000,000

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