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SHARE-BASED COMPENSATION (DETAILS) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]    
Share based compensation expense incurred $ 17,000,000 $ 14,000,000
Tax benefit related to share-based compensation costs incurred 3,000,000 2,000,000
Fair value - vested during period 61,000,000 59,000,000
Unrecognized share-based compensation costs 168,000,000  
Unrecognized share-based compensation costs - weighted average period expected to be recognized 2 years 9 months 15 days  
Restricted Stock And Restricted Stock Units RSU [Member]
    
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]    
Number of restricted stock and restricted stock units granted which will settle in cash 952,543  
Liability for cash-settled units $ 5,000,000 $ 1,000,000
Restricted Stock And Restricted Stock Units RSU [Member] | Performance [Member]
    
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]    
Nonvested restricted stock (number) - beginning of period 283,000  
Granted (number) 68,000  
Vested (number) 0  
Forfeited (number) 0  
Nonvested restricted stock (number) - end of period 351,000  
Weighted average grant date fair value - beginning of period $ 35.74  
Weighted average grant date fair value - granted $ 44.33  
Weighted average grant date fair value - vested $ 0.00  
Weighted average grant date fair value - forfeited $ 0.00  
Weighted average grant date fair value - end of period $ 37.41  
Number of restricted stock and restricted stock units granted which will settle in cash 22,837  
Restricted Stock And Restricted Stock Units RSU [Member] | Service [Member]
    
Reconcilation of Beginning and Ending Balance of Nonvested Restricted Stock (including RSUs) [Line Items]    
Nonvested restricted stock (number) - beginning of period 3,430,000  
Granted (number) 988,000  
Vested (number) (1,230,000)  
Forfeited (number) (60,000)  
Nonvested restricted stock (number) - end of period 3,128,000  
Weighted average grant date fair value - beginning of period $ 34.72  
Weighted average grant date fair value - granted $ 44.34  
Weighted average grant date fair value - vested $ 33.68  
Weighted average grant date fair value - forfeited $ 35.41  
Weighted average grant date fair value - end of period $ 38.03  
Number of restricted stock and restricted stock units granted which will settle in cash 929,706