v2.4.0.6

Realized and Net Change in Unrealized Gains (Losses) on Investments (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Gain (Loss) on Investments [Line Items] |  |  |  |
Total realized and net change in unrealized gains (losses) | $ 177,693 | $ (106,287) | $ 377,728 | $ (171,076)
Consolidated Blackstone Funds |  |  |  |
Gain (Loss) on Investments [Line Items] |  |  |  |
Realized Gains (Losses) | (54,791) | 36,654 | (10,441) | 106,755
Net Change in Unrealized Gains (Losses) | 232,484 | (142,941) | 388,169 | (277,831)
Total realized and net change in unrealized gains (losses) | $ 177,693 | $ (106,287) | $ 377,728 | $ (171,076)

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