v2.4.0.8
Clawback Obligations by Segment (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations $ 4,270 $ 267,116
Private Equity
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations 146 203,154
Real Estate
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations 2,019 63,375
Credit
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations 2,105 587
Blackstone Holdings Finance Co. L.L.C.
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations partnerships 2,709 101,794
Blackstone Holdings Finance Co. L.L.C. | Private Equity
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations partnerships (5) 69,302
Blackstone Holdings Finance Co. L.L.C. | Real Estate
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations partnerships 1,501 32,152
Blackstone Holdings Finance Co. L.L.C. | Credit
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations partnerships 1,213 340
Current And Former Blackstone Personnel
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations Current and Former Personnel 1,561 165,322
Current And Former Blackstone Personnel | Private Equity
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations Current and Former Personnel 151 133,852
Current And Former Blackstone Personnel | Real Estate
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations Current and Former Personnel 518 31,223
Current And Former Blackstone Personnel | Credit
    
Schedule Of Commitments And Contingencies [Line Items]    
Clawback obligations Current and Former Personnel $ 892 $ 247