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EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Continuing operations      
EMPLOYEE BENEFIT PLANS      
Stock-based compensation costs, pretax $ 60 $ 77 $ 51
Stock-based compensation costs, after tax $ 38 $ 48 $ 32
Restricted Stock Units      
EMPLOYEE BENEFIT PLANS      
Portion of awards vesting on each of the first three anniversary dates of the grant (as a percent) 33.00%    
Stock-based compensation costs, pretax $ 60    
2008 Stock Incentive Plan      
EMPLOYEE BENEFIT PLANS      
Shares available for issuance under the plan 7,200,000    
Shares available assuming maximum performance 6,200,000    
Vesting period 3 years    
2008 Stock Incentive Plan | Stock Options      
EMPLOYEE BENEFIT PLANS      
Expiration period from the date of grant 10 years    
2008 Stock Incentive Plan | 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