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STOCK-BASED COMPENSATION PLANS (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 19 $ 17 $ 16
Tax benefit related to stock-based compensation 7 7 6
Unrecognized stock-based compensation for non-vested options and awards $ 23    
Unrecognized stock-based compensation awards weighted-average period 10 months 24 days    
Shares authorized under stock-based compensation plans (in shares) 17,000,000    
Shares remaining available for future grants (shares) 11,847,713    
Stock options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 2 $ 2 $ 3
Unrecognized stock-based compensation for non-vested options and awards $ 2    
Unrecognized stock-based compensation awards weighted-average period 1 year 1 month 6 days    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Expected volatility 51.00% 53.00% 65.00%
Expected term 6 years 6 years 6 years
Risk-free interest rate 1.23% 1.67% 1.87%
Expected dividend yield 1.50% 1.25% 1.25%
Weighted-average grant date fair value per share (in dollars per share) $ 27.14 $ 28.71 $ 21.70
Estimated fair value of options granted (millions) $ 2 $ 3 $ 3
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding, beginning balance (in shares) 540,345    
Granted (in Shares) 79,340    
Exercised (in shares) (158,758)    
Canceled (in shares) 0    
Forfeited or expired (in shares) (7,253)    
Outstanding, ending balance (in shares) 453,674 540,345  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Outstanding, beginning balance, Weighted-Average Exercise Price Per Share (in dollars per share) $ 31.58    
Granted, Weighted-Average Exercise Price Per Share (in dollars per share) 65.63    
Exercised, Weighted-Average Exercise Price Per Share (in dollars per share) 23.62    
Canceled, Weighted-Average Exercise Price Per Share (in dollars per share) 0.00    
Fofeited or expired, Weighted-Average Exercise Price Per Share (in dollars per share) 49.66    
Outstanding, ending balance, Weighted-Average Exercise Price Per Share (in dollars per share) $ 40.02 $ 31.58  
Outstanding, Weighted-Average Contractual Life 6 years 2 months 12 days 6 years 3 months 18 days  
Outstanding, Aggregate Intrinsic Value $ 22 $ 26  
Exercisable, Outstanding (in shares) 199,676    
Exercisable, Weighted-Average Exercise Price Per Share (in dollars per share) $ 25.35    
Exercisable, Weighted-Average Contractual Life 5 years 1 month 6 days    
Exercisable, Aggregate Intrinsic Value $ 13    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]      
Vested or expected to vest, Shares 453,435    
Vested or expected to vest, Weighted-Average Exercise Price Per Share (in dollars per share) $ 40.03    
Vested or expected to vest, Weighted-Average Contractual Life 6 years 2 months 12 days    
Vested or expected to vest, Aggregate Intrinsic Value $ 22    
Intrinsic value of option exercises 9 14 20
Cash received from stock option exercises 3 4 6
Tax benefit related to stock option exercises 3 5 7
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value 3 3 2
Stock awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 11 $ 11 10
Unrecognized stock-based compensation for non-vested options and awards $ 21    
Unrecognized stock-based compensation awards weighted-average period 10 months 24 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Non-vested, beginning balance (in shares) 470,715    
Granted (in shares) 374,863    
Vested (in shares) (366,319)    
Forfeited (in shares) (39,166)    
Non-vested, ending balance (in shares) 440,093 470,715  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
Non-vested, beginning balance, Weighted-Average Grant Date Fair Value (in dollars per share) $ 38.09    
Granted, Weighted-Average Grant Date Fair Value (in dollars per share) 63.53    
Vested, Weighted-Average Grant Date Fair Value (in dollars per share) 32.87    
Forfeited, Weighted-Average Grant Date Fair Value (in dollars per share) 40.35    
Non-vested, ending balance, Weighted-Average Price Per Share (in dollars per share) $ 63.86 $ 38.09  
Non-vested, Weighted-Average Contractual Life 1 year 4 months 24 days 9 months 18 days  
Non-vested, Total Instrinsic Value (in dollars) $ 39 $ 38  
Deferred stock awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 1 1 1
Employee stock purchase plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 5 $ 3 $ 2
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Granted (in shares) 308,920 281,058 298,283
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 85.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate 10.00%