Registration of securities issued in business combination transactions

STOCK-BASED COMPENSATION PLAN (Details)

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STOCK-BASED COMPENSATION PLAN (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
STOCK-BASED COMPENSATION PLAN      
Authorized number of shares to be granted under the Stock Incentive Plan 32,600,000    
Remaining shares available for grant 8,000,000    
Vesting period 3 years    
STOCK-BASED COMPENSATION PLANS      
Compensation cost from continuing operations $ 26 $ 22 $ 24
Total income tax benefit recognized in the statements of operations for stock-based compensation arrangements 6 6 8
Stock options
     
STOCK-BASED COMPENSATION PLANS      
Maximum contractual term 10 years    
Weighted average of the assumptions utilized for stock options granted      
Dividend yield (as a percent) 3.00% 2.30% 3.00%
Expected volatility (as a percent) 65.30% 65.60% 69.00%
Risk-free interest rate (as a percent) 1.30% 2.80% 3.10%
Expected life of stock options granted during the period 6 years 7 months 6 days 6 years 7 months 6 days 6 years 7 months 6 days
Option Awards, Shares      
Outstanding at the beginning of the period (in shares) 10,345,000    
Granted (in shares) 1,363,000    
Exercised (in shares) (902,000)    
Forfeited (in shares) (289,000)    
Outstanding at the end of the period (in shares) 10,517,000 10,345,000  
Exercisable at the end of the period (in shares) 8,390,000    
Option Awards, Weighted Average Exercise Price      
Outstanding at the beginning of the period (in dollars per share) $ 13.83    
Granted (in dollars per share) $ 13.41    
Exercised (in dollars per share) $ 3.37    
Forfeited (in dollars per share) $ 19.48    
Outstanding at the end of the period (in dollars per share) $ 14.52 $ 13.83  
Exercisable at the end of the period (in dollars per share) $ 14.56    
Outstanding, Weighted Average Remaining Contractual Term 5 years 4 months 24 days    
Exercisable, Weighted Average Remaining Contractual Term 4 years 6 months    
Outstanding, Aggregate Intrinsic Value 42    
Exercisable, Aggregate Intrinsic Value 39    
Weighted-average grant-date fair value of stock options granted (in dollars per share) $ 6.36 $ 9.17 $ 6.97
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the Stock Incentive Plan 9    
Weighted-average period over which cost is expected to be recognized 1 year 4 months 24 days    
Total intrinsic value of stock options exercised $ 10 $ 19 $ 14