Business Description and Organization - Limited Partnership Interests in AB Holdings (Details)	12 Months Ended
Dec. 31, 2015
Ownership structure of AB Holdings
Limited partners or members ownership interest in Company (percent)	100.00%
AXA and subsidiaries [Member]
Ownership structure of AB Holdings
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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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration