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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2022 | Jan. 01, 2023
Schedule Of Commitments And Contingencies [Line Items] |  |
General partner capital funding | $ 5,000.0 |
Consolidated entities net assets restricted as to payment of cash dividends and advances to partnership | 106.0 |
Total investments at risk in respect of guarantees extended | $ 18.3 |
Contingent obligations currently anticipated to expire end | 2032 |
Provision for cash clawback | $ 1,100.0 |
Contingent Obligations (Clawback) | 6,000.0 |
Loss Contingency Accrual, Payments | $ 27.2 |
Blackstone Real Estate Investment Trust or BREIT [Member] |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Percentage Of Incremental Cash Payment In Excess Of Target Return | 5.00% |
Security Owned and Pledged as Collateral, Associated Liabilities, Fair Value | $ 48.6 |
Investments Pledged fair value | $ 1,000.0 |
Common stock, value, subscriptions |  | $ 4,000.0
Blackstone Real Estate Investment Trust or BREIT [Member] | University of California [Member] |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Percentage of targeted annualized net return | 11.25% |
Cost of the investment | $ 4,000.0 |
Blackstone Holdings |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Loans held By employees for investment guaranteed | 78.9 |
Contingent Obligations (Clawback) | 5,700.0 |
Loss Contingency Accrual, Payments | 12.5 |
Current And Former Blackstone Personnel |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Loss Contingency Accrual, Payments | 14.7 |
Consolidated Blackstone Funds |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Funds signed investment commitments | 210.0 |
Consolidated Blackstone Funds | Portfolio Company Acquisition |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Signed investment commitments for portfolio company acquisitions in process of closing | $ 81.2 |

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