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EMPLOYEE STOCK BENEFIT PLANS (Stock Based Compensation Activity) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Stock options, Outstanding balance at January 1, 2012 70,224    
Stock options, Exercised (16,560)    
Stock options, Forfeited (11,699)    
Stock options, Outstanding balance at December 31, 2012 41,965    
Stock options, Outstanding balance at January 1, 2012, Weighted average exercise price $ 27.04    
Stock Options, Exercised, Weighted average exercise price $ 24.18    
Stock options, Forfeited, Weighted average exercise price $ 44.85    
Stock options, Outstanding balance at December 31, 2012, Weighted average exercise price $ 23.21    
Vested or Expected to Vest, Number of Options Outstanding 41,875    
Vested or Expected to Vest - Stock Options, Weighted-Average Exercise Price of Shares $ 23.22    
Restricted Stock Units (RSUs) [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Nonvested awards, Balance at January 1, 2012 8,416    
Nonvested awards, Granted 3,036    
Nonvested awards, Released (3,341)    
Nonvested awards, Cancelled (543)    
Nonvested awards, Balance at December 31, 2012 7,568 8,416  
Nonvested awards, Balance at January 1, 2012, Weighted average grant date fair value $ 23.10    
Nonvested awards, Granted, Weighted average grant date fair value $ 32.71 $ 26.04 $ 24.80
Nonvested awards, Released, Weighted average grant date fair value $ 22.13    
Nonvested awards, Cancelled, Weighted average grant date fair value $ 25.96    
Nonvested awards, Balance at December 31, 2012, Weighted average grant date fair value $ 27.18 $ 23.10  
Expected to Vest, Awards Other than Options, Number of Nonvested Awards 6,826    
Expected to Vest, Awards Other than Options, Weighted-Average Grant Date Fair Value $ 27.18    
Market share units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Nonvested awards, Balance at January 1, 2012 1,982    
Nonvested awards, Granted 1,076    
Nonvested awards, Released (562)    
Nonvested awards, Adjustments for actual payout (166)    
Nonvested awards, Cancelled (126)    
Nonvested awards, Balance at December 31, 2012 2,204 1,982  
Nonvested awards, Balance at January 1, 2012, Weighted average grant date fair value $ 25.39    
Nonvested awards, Granted, Weighted average grant date fair value $ 31.85 $ 25.83 $ 24.69
Nonvested awards, Released, Weighted average grant date fair value $ 25.29    
Nonvested awards, Adjustments for actual payout, Weighted average grant date fair value $ 25.29    
Nonvested awards, Cancelled, Weighted average grant date fair value $ 27.38    
Nonvested awards, Balance at December 31, 2012, Weighted average grant date fair value $ 28.46 $ 25.39  
Expected to Vest, Awards Other than Options, Number of Nonvested Awards 1,988    
Expected to Vest, Awards Other than Options, Weighted-Average Grant Date Fair Value $ 28.46    
Long term performance awards [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Nonvested awards, Balance at January 1, 2012 3,411    
Nonvested awards, Granted 1,717    
Nonvested awards, Released (1,087)    
Nonvested awards, Adjustments for actual payout 225    
Nonvested awards, Cancelled (170)    
Nonvested awards, Balance at December 31, 2012 4,096 3,411  
Nonvested awards, Balance at January 1, 2012, Weighted average grant date fair value $ 23.53    
Nonvested awards, Granted, Weighted average grant date fair value $ 32.33 $ 25.30 $ 23.65
Nonvested awards, Released, Weighted average grant date fair value $ 19.63    
Nonvested awards, Adjustments for actual payout, Weighted average grant date fair value $ 32.55    
Nonvested awards, Cancelled, Weighted average grant date fair value $ 28.90    
Nonvested awards, Balance at December 31, 2012, Weighted average grant date fair value $ 28.44 $ 23.53  
Expected to Vest, Awards Other than Options, Number of Nonvested Awards 3,694    
Expected to Vest, Awards Other than Options, Weighted-Average Grant Date Fair Value $ 28.44