XML 113 R78.htm IDEA: XBRL DOCUMENT v3.8.0.1
STOCK-BASED COMPENSATION PLANS (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 34 $ 19 $ 17
Tax benefit related to stock-based compensation 13 7 7
Unrecognized stock-based compensation for non-vested options and awards $ 37    
Unrecognized stock-based compensation awards weighted-average period 1 year 8 months 12 days    
Shares authorized under stock-based compensation plans (in shares) 17,000,000    
Shares remaining available for future grants (shares) 10,927,824    
Stock options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 3 $ 2 $ 2
Unrecognized stock-based compensation for non-vested options and awards $ 3    
Unrecognized stock-based compensation awards weighted-average period 1 year 2 months 12 days    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Expected volatility 51.00% 51.00% 53.00%
Expected term 6 years 6 years 6 years
Risk-free interest rate 2.04% 1.23% 1.67%
Expected dividend yield 1.10% 1.50% 1.25%
Weighted-average grant date fair value per share (in dollars per share) $ 41.19 $ 27.14 $ 28.71
Estimated fair value of options granted (millions) $ 4 $ 2 $ 3
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding, beginning balance (in shares) 453,674    
Granted (in Shares) 88,580    
Exercised (in shares) (91,013)    
Canceled (in shares) 0    
Forfeited or expired (in shares) (9,774)    
Outstanding, ending balance (in shares) 441,467 453,674  
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) $ 40.02    
Granted, Weighted-Average Exercise Price Per Share (in dollars per share) 94.67    
Exercised, Weighted-Average Exercise Price Per Share (in dollars per share) 31.31    
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) 60.33    
Outstanding, ending balance, Weighted-Average Exercise Price Per Share (in dollars per share) $ 52.34 $ 40.02  
Outstanding, Weighted-Average Contractual Life 6 years 6 years 2 months 12 days  
Outstanding, Aggregate Intrinsic Value $ 11 $ 22  
Exercisable, Outstanding (in shares) 229,233    
Exercisable, Weighted-Average Exercise Price Per Share (in dollars per share) $ 32.08    
Exercisable, Weighted-Average Contractual Life 4 years 10 months 24 days    
Exercisable, Aggregate Intrinsic Value $ 9    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]      
Vested or expected to vest, Shares 441,467    
Vested or expected to vest, Weighted-Average Exercise Price Per Share (in dollars per share) $ 52.34    
Vested or expected to vest, Weighted-Average Contractual Life 6 years    
Vested or expected to vest, Aggregate Intrinsic Value $ 11    
Intrinsic value of option exercises 6 9 14
Cash received from stock option exercises 3 3 4
Tax benefit related to stock option exercises 2 3 5
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 3
Stock awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 24 $ 11 11
Unrecognized stock-based compensation for non-vested options and awards $ 34    
Unrecognized stock-based compensation awards weighted-average period 1 year 8 months 12 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) 440,093    
Granted (in shares) 433,340    
Vested (in shares) (286,138)    
Forfeited (in shares) (62,150)    
Non-vested, ending balance (in shares) 525,145 440,093  
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) $ 63.86    
Granted, Weighted-Average Grant Date Fair Value (in dollars per share) 88.43    
Vested, Weighted-Average Grant Date Fair Value (in dollars per share) 61.47    
Forfeited, Weighted-Average Grant Date Fair Value (in dollars per share) 65.06    
Non-vested, ending balance, Weighted-Average Price Per Share (in dollars per share) $ 85.47 $ 63.86  
Non-vested, Weighted-Average Contractual Life 1 year 7 months 24 days 1 year 4 months 24 days  
Non-vested, Total Instrinsic Value (in dollars) $ 39 $ 39  
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 $ 6 $ 5 $ 3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Granted (in shares) 406,628 308,920 281,058
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%