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ORGANIZATIONS (DETAILS) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2011
Alliance Bernstein [Member]
Jun. 30, 2012
AXA Equitable [Member]
Mar. 31, 2011
AXA Equitable [Member]
Dec. 31, 2011
AXA Equitable [Member]
Mar. 31, 2011
Parent Company [Member]
Jun. 30, 2012
Parent Company [Member]
Dec. 31, 2011
Parent Company [Member]
Sale of interest in AlllianceBerstein's consolidated Australian JV         50.00%    
Economic Interest In Subsidiary   36.60%   37.30%   63.50% 64.60%
Purchase of interest in subsidiary 50.00%            
Puarchase value of interest in subsidiary $ 21            
Increase in Equity     6        
Noncontrolling Interest, Period Increase (Decrease)     $ (27)