Closing price of common units at grant date.

No definition available.

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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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Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
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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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- 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

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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

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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

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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

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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

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Period Type:	instant

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- 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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Data Type:	xbrli:sharesItemType
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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

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Equity-Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended
	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