v2.4.0.8

Investments (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Schedule of Investments [Line Items] |  |
Equity Method Investments | $ 2,964,438 | $ 2,582,504
Blackstone's Treasury Cash Management Strategies | 1,066,170 | 1,411,680
Performance Fees | 3,705,713 | 2,780,217
Other Investments | 86,138 | 46,124
Investments | 20,151,386 | 20,847,270
Consolidated Blackstone Funds |  |
Schedule of Investments [Line Items] |  |
Investments of Consolidated Blackstone Funds | $ 12,328,927 | $ 14,026,745

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