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Fair Value Measurements of Financial instruments - Additional Information (Detail) - Blackstone [Member] - Consolidated Blackstone Funds [Member] - Fair Value, Measurements, Recurring - USD ($) $ in Billions |  | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial investment weighted average remaining term |  | 1 year 7 months 6 days
Investments fair value disclosure | $ 1.4 |

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