v3.26.1
Commitments and Contingencies - Additional Information (Detail)
$ in Thousands, € in Millions
 6 Months Ended
Jun. 12, 2026
USD ($)
Jan. 03, 2025
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
EUR (€)
Jan. 01, 2023
USD ($)
Dec. 31, 2022
USD ($)
Schedule Of Commitments And Contingencies [Line Items]              
General partner capital funding     $ 5,900,000        
Total investments at risk in respect of guarantees extended     $ 18,700        
Contingent obligations currently anticipated to expire end     2038        
Provision for cash clawback     $ 1,300,000        
Contingent Obligations (Clawback)     9,100,000        
Investments     $ 34,587,729 $ 32,212,111      
Blackstone Real Estate Investment Trust or BREIT              
Schedule Of Commitments And Contingencies [Line Items]              
Investments | €         € 1,000    
Percentage Of Incremental Cash Payment In Excess Of Target Return     5.00%        
Security Owned and Pledged as Collateral, Associated Liabilities, Fair Value     $ 1,200,000        
Investments Pledged fair value     $ 1,500,000   € 200   $ 1,100,000
Common stock, value, subscriptions           $ 4,500,000  
Percentage of targeted annualized net return         9.25%    
Blackstone Real Estate Investment Trust or BREIT | University of California              
Schedule Of Commitments And Contingencies [Line Items]              
Percentage of targeted annualized net return     11.25%        
Cost of the investment     $ 4,500,000        
Settlement Agreement [Member]              
Schedule Of Commitments And Contingencies [Line Items]              
Contingent settlement payment amount $ 6,000            
Litigation Settlement, Fee Expense $ 18,000            
Loss Contingency, Name of Plaintiff   Taylor I and Taylor II          
Settled Litigation [Member]              
Schedule Of Commitments And Contingencies [Line Items]              
Loss Contingency, Settlement Agreement, Court   Franklin County Circuit Court          
Loss Contingency, Name of Defendant   we and several other defendants          
Blackstone Holdings              
Schedule Of Commitments And Contingencies [Line Items]              
Loans held By employees for investment guaranteed     77,900        
Contingent Obligations (Clawback)     8,200,000        
Consolidated Blackstone Funds              
Schedule Of Commitments And Contingencies [Line Items]              
Funds signed investment commitments     891,100        
Consolidated Blackstone Funds | Portfolio Company Acquisition              
Schedule Of Commitments And Contingencies [Line Items]              
Signed investment commitments for portfolio company acquisitions in process of closing     $ 65,400