v2.4.0.8

Summary of Aggregate Notional Amount and Fair Value of Derivative Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative Assets, Notional | $ 948,680 | $ 2,946,033
Derivative Liabilities, Notional | 1,725,638 | 1,495,964
Derivative Assets, Fair Value | 21,147 | 44,899
Derivative Liabilities, Fair Value | 32,458 | 14,300
Freestanding Derivatives | Blackstone - Other | Total Return Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets, Notional |  | 326,929
Derivative Assets, Fair Value |  | 342
Freestanding Derivatives | Interest Rate Contracts | Blackstone - Other |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets, Notional | 455,766 | 1,994,276
Derivative Liabilities, Notional | 956,729 | 1,083,140
Derivative Assets, Fair Value | 1,254 | 8,521
Derivative Liabilities, Fair Value | 1,993 | 2,676
Freestanding Derivatives | Interest Rate Contracts | Investments Of Consolidated Blackstone Funds |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets, Notional | 23,645 | 62,193
Derivative Assets, Fair Value | 2,772 | 3,726
Freestanding Derivatives | Foreign Currency Contracts | Blackstone - Other |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets, Notional | 269,367 | 166,066
Derivative Liabilities, Notional | 328,481 | 163,787
Derivative Assets, Fair Value | 5,200 | 1,480
Derivative Liabilities, Fair Value | 831 | 1,015
Freestanding Derivatives | Foreign Currency Contracts | Investments Of Consolidated Blackstone Funds |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets, Notional | 199,902 | 396,569
Derivative Liabilities, Notional | 263,240 | 239,037
Derivative Assets, Fair Value | 11,921 | 30,830
Derivative Liabilities, Fair Value | 22,620 | 10,018
Freestanding Derivatives | Credit Default Swaps | Blackstone - Other |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities, Notional | 66,500 | 10,000
Derivative Liabilities, Fair Value | 1,835 | 591
Freestanding Derivatives | Credit Default Swaps | Investments Of Consolidated Blackstone Funds |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities, Notional | 110,688 |
Derivative Liabilities, Fair Value | $ 5,179 |

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