Incentive return from affiliates as percentage of return on funds capital.

No definition available.

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- Definition

Percentage of non controlling interest in subsidiary.

+ References

No definition available.

+ Details

Name:	apo_PercentageOfNonControllingInterestInSubsidiary
Namespace Prefix:	apo_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:	apo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ 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

+ Details

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Data Type:	num:percentItemType
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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 AMH Credit Agreement [Member]	Dec. 20, 2010 AMH Credit Agreement [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of non controlling interest in subsidiary			62.00%
Percentage of ownership interest held by limited partners			97.00%
Carried Interest Income from Affiliates-Apollo			20.00%
Estimated fair value of long debt obligation					$ 770,400,000	$ 995,000,000
Discretionary contributions	$ 0	$ 0	$ 0	$ 0