v2.4.0.8
Commitments and Contingencies - Additional Information (Detail) (USD $)
9 Months Ended
Sep. 30, 2014
Schedule Of Commitments And Contingencies [Line Items]  
General partner capital funding $ 1,400,000,000
Total investments at risk in respect of guarantees extended 2,600,000
Loans held By employees for investment guaranteed 84,800,000
Contingent obligations currently anticipated to expire end 2016
Provision for cash clawback 480,800,000
Blackstone Funds
 
Schedule Of Commitments And Contingencies [Line Items]  
Funds signed investment commitments 52,500,000
Blackstone Funds | Portfolio Company Acquisition
 
Schedule Of Commitments And Contingencies [Line Items]  
Signed investment commitments for portfolio company acquisitions in process of closing $ 35,900,000