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Business Description And Organization (Tables)
 6 Months Ended
Jun. 30, 2011
Business Description And Organization [Abstract]  
Ownership Interest by Limited Partners
As of June 30, 2011, the ownership structure of AllianceBernstein, expressed as a percentage of general and limited partnership interests, was as follows:

AXA and its subsidiaries
 
 
60.9
%
Holding
 
 
37.5
 
Unaffiliated holders
 
 
1.6
 
 
 
 
100.0
%