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EMPLOYEE BENEFIT PLANS (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Stock Options
   
EMPLOYEE BENEFIT PLANS    
Expiration period from the date of grant 10 years  
Portion of awards vesting on each of the first three anniversary dates of the grant (as a percent) 33.00%  
Vesting period 3 years  
Restricted Stock Units
   
EMPLOYEE BENEFIT PLANS    
Contractual right to receive shares of common stock for a stock based award 1  
Portion of awards vesting on each of the first three anniversary dates of the grant (as a percent) 33.00%  
Vesting period 3 years  
2008 Stock Incentive Plan
   
EMPLOYEE BENEFIT PLANS    
Shares available under the plan 2,600,000  
Continuing operations
   
EMPLOYEE BENEFIT PLANS    
Stock-based compensation costs, pretax $ 13 $ 8