v2.4.0.6

RELATED PARTY TRANSACTIONS - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 Year | Jun. 30, 2011 | Jun. 30, 2012 Year | Jun. 30, 2011 | Dec. 31, 2011
Related Party Transaction [Line Items] |  |  |  |  |
Founder's, other senior managing directors' and employees' investments | $ 782,300,000 |  | $ 782,300,000 |  | $ 715,500,000
Founder's, other senior managing directors' and employees' share of the Net Income Attributable to Redeemable Non-Controlling Interests | 9,900,000 | 61,100,000 | 43,300,000 | 131,900,000 |
Management and Advisory Fees earned from affiliates | 56,133,000 | 118,916,000 | 104,117,000 | 188,954,000 |
Interest from loans to affiliates | 1,000,000 | 600,000 | 2,300,000 | 1,300,000 |
Partnership Unit to Blackstone Common Unit ratio |  |  | 1 |  |
Cash saving in tax receivable agreements, percentage |  |  | 85.00% |  |
Expected future payments under the tax receivable agreements | 1,200,000,000 |  | 1,200,000,000 |  |
Expected future payments under the tax receivable agreements in years | 15 |  | 15 |  |
After-tax net present value estimated payments | $ 357,900,000 |  | $ 357,900,000 |  |
After-tax net present value discount rate assumption | 15.00% |  | 15.00% |  |

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