v2.4.1.9

Summary of Fair Value by Strategy Type Alongside Consolidated Funds of Hedge Funds' Remaining Unfunded Commitments and Ability to Redeem Such Investments (Parenthetical) (Detail) | Mar. 31, 2015
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Diversified Instruments |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
Percentage of investments unable to be redeemed at, or within 3 months of reporting date | 81.00%us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPercentage / us-gaap_InvestmentTypeAxis = bx_DiversifiedInstrumentsMember
Percentage of investments in hedge funds in process of liquidation | 13.00%us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerSharePlannedSaleInvestmentsNotIdentifiedPercentage / us-gaap_InvestmentTypeAxis = bx_DiversifiedInstrumentsMember
Percentage of investments side pocketed as of reporting date | 6.00%bx_PercentageOfInvestmentsSidePocketedAsOfReportingDate / us-gaap_InvestmentTypeAxis = bx_DiversifiedInstrumentsMember
Percentage of investments redeemable as of reporting date | 7.00%bx_PercentageOfInvestmentsRedeemableAsOfReportingDate / us-gaap_InvestmentTypeAxis = bx_DiversifiedInstrumentsMember
Credit Driven |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
Percentage of investments unable to be redeemed at, or within 3 months of reporting date | 66.00%us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPercentage / us-gaap_InvestmentTypeAxis = bx_CreditDrivenMember
Percentage of investments in hedge funds in process of liquidation | 1.00%us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerSharePlannedSaleInvestmentsNotIdentifiedPercentage / us-gaap_InvestmentTypeAxis = bx_CreditDrivenMember
Percentage of investments redeemable as of reporting date | 3.00%bx_PercentageOfInvestmentsRedeemableAsOfReportingDate / us-gaap_InvestmentTypeAxis = bx_CreditDrivenMember
Percentage of investments elected to side pocket | 30.00%bx_PercentageOfInvestmentsInCategoryRedemptionDiscretionOfInvesteeFundManagerElectingToSidePocketInvestments / us-gaap_InvestmentTypeAxis = bx_CreditDrivenMember
Commodities |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
Percentage of investments unable to be redeemed at, or within 3 months of reporting date | 4.00%us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPercentage / us-gaap_InvestmentTypeAxis = bx_CommoditiesMember
Percentage of investment for which withdrawals are not permitted | 96.00%bx_PercentageOfRestrictedInvestments / us-gaap_InvestmentTypeAxis = bx_CommoditiesMember

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- Definition Percentage Of Investments In Category Redemption Discretion Of Investee Fund Manager Electing To Side Pocket Investments + References No definition available. + Details
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X
- Definition Percentage Of Investments Redeemable As Of Reporting Date + References No definition available. + Details
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- Definition Percentage of Investments Side Pocketed as of Reporting Date + References No definition available. + Details
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- Definition Percentage Of Restricted Investments + References No definition available. + Details
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- Definition The total percentage of all investments, comprising or included in the major category, of those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments) for which the entity has intentions to sell or liquidate, but the specific assets for sale or liquidation have not been identified (for example, the entity intends to sell 20 percent of its investments in private equity funds, but the individual investments to be sold have not been identified). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=36462937&loc=SL6742756-110258 + Details
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X
- Definition The percentage of the total value of investments that cannot be redeemed because of a redemption restriction as of the statement of financial position date. + References No definition available. + Details
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