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Units Outstanding
12 Months Ended
Dec. 31, 2011
Limited Partners' Capital Account [Abstract]  
Units Outstanding
5. Units Outstanding

Changes in Holding Units outstanding for the years ended December 31, 2011 and 2010 were as follows:

   
2011
  
2010
 
        
Outstanding as of January 1,
  105,086,799   101,351,749 
Options exercised
  86,543   486,017 
Units issued
  -   3,249,861 
Units forfeited
  -   (828 )
Outstanding as of December 31,
  105,173,342   105,086,799 

Units issued pertain to Holding Units newly issued under the AllianceBernstein 2010 Long Term Incentive Plan and could include: (i) restricted Holding Unit awards to Eligible Directors, (ii) restricted Holding Unit awards to eligible employees, (iii) restricted Holding Unit awards for recruitment, and (iv) restricted Holding Unit issuances in connection with certain employee separation agreements.