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STOCK-BASED COMPENSATION (Details 3) (Stock Options, USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock Options
      
Stock Options      
Vesting period 5 years    
Expiration period 10 years    
Shares      
Outstanding at the beginning of the period (in shares) 30,000,000 36,000,000 37,000,000
Granted (in shares) 899,000 1,000,000 2,000,000
Exercised (in shares) 3,000,000 1,000,000  
Forfeited (in shares) 3,800,000 6,000,000 3,000,000
Outstanding at the end of the period (in shares) 24,000,000 30,000,000 36,000,000
Option shares vested and expected to vest at the end of the period 24,000,000 30,000,000 36,000,000
Option shares exercisable at the end of the period 20,000,000 23,000,000 24,000,000
Weighted average exercise price      
Outstanding at the beginning of the period (in dollars per share) $ 21 $ 21 $ 21
Granted (in dollars per share) $ 20 $ 12 $ 13
Exercised (in dollars per share) $ 12 $ 10 $ 8
Forfeited (in dollars per share) $ 26 $ 19 $ 22
Outstanding at the end of the period (in dollars per share) $ 22 $ 21 $ 21
Option shares vested and expected to vest at the end of the period (in dollars per share) $ 22 $ 21 $ 21
Option shares exercisable at the end of the period (in dollars per share) $ 24 $ 24 $ 25
Aggregate intrinsic value      
Exercised $ 23 $ 5 $ 1
Option shares vested and expected to vest at the end of the period 109 55 12
Option shares exercisable at the end of the period 62 22 4
Weighted average remaining option term      
Outstanding at the end of the period 4 years 5 years 5 years
Option shares vested and expected to vest at the end of the period 4 years 5 years 5 years
Option shares exercisable at the end of the period 3 years 4 years 4 years
Additional disclosures      
Total unrecognized compensation expense $ 9 $ 15 $ 33
Weighted average remaining vesting period 2 years 2 years 3 years