Business Description and Organization (Limited Partnership Interests in AB Holdings) (Details)	12 Months Ended
Dec. 31, 2015
Ownership structure of AB Holding
Limited partners or members ownership interest in Company (percent)	100.00%
AXA And Its Subsidiaries [Member]
Ownership structure of AB Holding
Limited partners or members ownership interest in Company (percent)	1.40%

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

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

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Period Type:	duration