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BUSINESS DIVESTITURES (Details) (Primerica, USD $)
In Millions, unless otherwise specified
1 Months Ended 12 Months Ended
Apr. 30, 2010
Dec. 31, 2011
Primerica
   
Noncash or Part Noncash Divestitures    
Percentage of ownership sold to public investor through IPO 34.00%  
Percentage of ownership sold to private equity firm 22.00%  
Percentage of ownership contributed for employees and agent stock-based awards 4.00%  
Percentage of ownership retained 40.00%  
Percentage of reinsurance 90.00%  
After-tax gain (loss) on the sale of business $ 26 $ (11)