v2.4.1.9
Condensed Consolidated Statements of Financial Condition (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Investments assets pledged $ 111,206us-gaap_PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue $ 45,764us-gaap_PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue
Partners' Capital, common units: issued 609,185,546us-gaap_LimitedPartnersCapitalAccountUnitsIssued 595,624,855us-gaap_LimitedPartnersCapitalAccountUnitsIssued
Partners' Capital, common units: outstanding 609,185,546us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding 595,624,855us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Assets    
Cash Held by Blackstone Funds and Other 1,969,621bx_CashHeldByFundsAndOther 1,808,092bx_CashHeldByFundsAndOther
Investments 22,896,254us-gaap_Investments 22,765,589us-gaap_Investments
Accounts Receivable 1,259,037us-gaap_AccountsReceivableNet 559,321us-gaap_AccountsReceivableNet
Due from Affiliates 1,146,008us-gaap_DueFromAffiliates 1,128,408us-gaap_DueFromAffiliates
Other Assets 458,044us-gaap_OtherAssets 338,557us-gaap_OtherAssets
Total Assets 32,406,601us-gaap_Assets 31,510,894us-gaap_Assets
Liabilities    
Loans Payable 9,063,490us-gaap_LoansPayable 8,937,638us-gaap_LoansPayable
Due to Affiliates 1,460,362us-gaap_DueToRelatedPartiesCurrentAndNoncurrent 1,490,088us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
Accounts Payable, Accrued Expenses and Other 1,246,739us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent 1,194,579us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Total Liabilities 14,452,617us-gaap_Liabilities 14,177,347us-gaap_Liabilities
Blackstone Funds And Other    
Assets    
Cash Held by Blackstone Funds and Other 1,344,326bx_CashHeldByFundsAndOther
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
1,325,094bx_CashHeldByFundsAndOther
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Investments 7,424,060us-gaap_Investments
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
7,759,322us-gaap_Investments
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Accounts Receivable 612,415us-gaap_AccountsReceivableNet
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
131,996us-gaap_AccountsReceivableNet
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Due from Affiliates 33,464us-gaap_DueFromAffiliates
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
65,124us-gaap_DueFromAffiliates
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Other Assets 52,911us-gaap_OtherAssets
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
48,441us-gaap_OtherAssets
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Total Assets 9,467,176us-gaap_Assets
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
9,329,977us-gaap_Assets
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Liabilities    
Loans Payable 6,914,687us-gaap_LoansPayable
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
6,787,100us-gaap_LoansPayable
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Due to Affiliates 194,197us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
182,107us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Accounts Payable, Accrued Expenses and Other 705,041us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
697,149us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
Total Liabilities $ 7,813,925us-gaap_Liabilities
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember
$ 7,666,356us-gaap_Liabilities
/ dei_LegalEntityAxis
= bx_BlackstoneFundsAndOtherVariableInterestEntitiesMember