v2.4.0.8

Equity-Based Compensation - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Share Based Compensation [Line Items] |  |  |
Partnership grant units | 163,217,431 |  |
Compensation expense in relation to equity-based awards | $ 855,087,000 | $ 949,633,000 | $ 1,396,062,000
Tax benefits in relation to equity-based awards | 33,300,000 | 25,000,000 | 22,400,000
Estimated unrecognized compensation expense related to unvested awards | 1,300,000,000 |  |
Weighted-average period for recognized compensation expense related to unvested awards, years | 1 year 10 months 24 days |  |
Total vested and unvested outstanding units | 1,153,844,153 |  |
Total outstanding unvested phantom units | 147,169 |  |
Phantom units vesting period | 11 days |  |
Payment in settlement of phantom units | 600,000 | 400,000 | 400,000
Predecessor owners and selected advisors received, units | 827,516,625 |  |
Equity-Based Awards With Performance Conditions |  |  |
Share Based Compensation [Line Items] |  |  |
Compensation expense in relation to equity-based awards | $ 61,800,000 |  |
Equity-Based Awards With Performance Conditions | Minimum |  |  |
Share Based Compensation [Line Items] |  |  |
Performance period of equity-based awards, in years | 3 |  |
Equity-Based Awards With Performance Conditions | Maximum |  |  |
Share Based Compensation [Line Items] |  |  |
Performance period of equity-based awards, in years | 5 |  |
Equity Settled Awards - Deferred Restricted Common Units And Options | Minimum |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed service period, in years | 1 year |  |
Assumed forfeiture rate | 1.00% |  |
Per unit discount | $ 0.01 |  |
Equity Settled Awards - Deferred Restricted Common Units And Options | Maximum |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed service period, in years | 8 years |  |
Assumed forfeiture rate | 12.50% |  |
Per unit discount | $ 10.33 |  |
Cash Settled Awards - Phantom Units | Minimum |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed forfeiture rate | 4.20% |  |
Phantom units vesting period | 2 years |  |
Cash Settled Awards - Phantom Units | Maximum |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed forfeiture rate | 12.50% |  |
Phantom units vesting period | 4 years |  |
Blackstone Partnership Units |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed forfeiture rate | 12.50% |  |
Vested, units | 387,805,088 |  |
Non-vested, units | 439,711,537 |  |
Closing share price | $ 31 |  |
Blackstone Partnership Units | Minimum |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed service period, in years | 1 year |  |
Blackstone Partnership Units | Maximum |  |  |
Share Based Compensation [Line Items] |  |  |
Assumed service period, in years | 9 years |  |

X
- Definition Closing price of common units at grant date. + References No definition available. + Details
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- Definition Compensation expense, assumed forfeiture rate. + References No definition available. + Details
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- Definition Performance period of equity based awards. + References No definition available. + Details
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- Definition Per unit discount for compensation expense. + References No definition available. + Details
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- Definition Phantom Units, Weighted Average Service Period + References No definition available. + Details
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- Definition Predecessor owners and selected advisors received units under reorganization. + References No definition available. + Details
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- Definition Total Outstanding Unvested Phantom Units + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of liabilities paid for share-based compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of units or equivalent units outstanding for all classes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
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