v2.4.0.6

Clawback Obligations by Segment (Detail) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations | $ 261,007 | $ 266,300
Private Equity |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations | 203,748 | 196,800
Real Estate |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations | 57,251 | 69,500
Credit Businesses |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations | 8 |
Blackstone Holdings |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations partnerships | 100,252 | 98,885
Blackstone Holdings | Private Equity |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations partnerships | 69,412 | 68,044
Blackstone Holdings | Real Estate |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations partnerships | 30,840 | 30,841
Current And Former Blackstone Personnel |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations Current and Former Personnel | 160,755 | 167,415
Current And Former Blackstone Personnel | Private Equity |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations Current and Former Personnel | 134,336 | 128,756
Current And Former Blackstone Personnel | Real Estate |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations Current and Former Personnel | 26,411 | 38,659
Current And Former Blackstone Personnel | Credit Businesses |  |
Schedule Of Commitments And Contingencies [Line Items] |  |
Clawback obligations Current and Former Personnel | $ 8 |

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