Business Description and Organization (Tables)

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Ownership Interest By Limited Partners

As of December 31, 2017, the ownership structure of AB, including limited partnership units outstanding as well as the general partner's 1% interest, is as follows:

AXA and its subsidiaries	63.3	%
AB Holding	35.5
Unaffiliated holders	1.2
	100.0	%