v2.4.0.8

Related Party Transactions - Additional Information (Detail) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Related Party Transaction [Line Items] |  |  |  |  |
Founder's, other senior managing directors' and employees' investments | $ 1,100,000,000 |  | $ 1,100,000,000 |  | $ 1,000,000,000
Founder's, other senior managing directors' and employees' share of the Net Income Attributable to Redeemable Non-Controlling Interests | 40,000,000 | 43,900,000 | 135,700,000 | 144,500,000 |
Management and Advisory Fees, Net from Affiliates | 107,615,000 | 48,906,000 | 262,990,000 | 169,029,000 |
Interest from loans to affiliates | 1,000,000 | 900,000 | 2,100,000 | 2,700,000 |
Partnership Unit to Blackstone Common Unit ratio |  |  | 1 |  |
Cash saving in tax receivable agreements, percentage |  |  | 85.00% |  |
Expected future payments under the tax receivable agreements | 1,200,000,000 |  | 1,200,000,000 |  |
Expected future payments under the tax receivable agreements in years |  |  | 15 years |  |
After-tax net present value estimated payments | $ 388,100,000 |  | $ 388,100,000 |  |
After-tax net present value discount rate assumption | 15.00% |  | 15.00% |  |

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- Definition Founders Other Senior Managing Directors And Employees Share Of Net Income Attributable To Redeemable Non Controlling And Non Controlling Interests In Consolidated Entities. + References No definition available. + Details
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- Definition Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 07 -Paragraph b -Subparagraph 1 -Article 6 + Details
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