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CAPITAL STOCK - Summary of Stock Options Activities (Detail) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding, beginning of year, Shares 5,113,000  
Granted, Shares 490,000  
Exercised, Shares (15,000) 0
Forfeited or expired, Shares (995,000)  
Outstanding, end of year, Shares 4,593,000 5,113,000
Expected to vest, Shares 947,000  
Exercisable, end of year, Shares 3,646,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Outstanding, beginning of year, Weighted Average exercise Price (in USD per share) $ 84.89  
Granted, Weighted Average Exercise Price (in USD per share) 63.25  
Exercised, Weighted Average Exercise Price (in USD per share) 41.24  
Forfeited or expired, Weighted Average Exercise Price (in USD per share) 82.03  
Outstanding, end of year, Weighted Average Exercise Price (in USD per share) 83.37 $ 84.89
Expected to vest, Weighted Average Exercise Price (in USD per share) 51.83  
Exercisable, end of year, Weighted Average Exercise Price (in USD per share) $ 91.56  
Weighted average remaining contractual life for options outstanding 4 years 8 months  
Weighted average remaining contractual life for expected to vest 8 years 6 months  
Weighted average remaining contractual life for exercisable 3 years 8 months  
Aggregate intrinsic value for options outstanding $ 0.7  
Aggregate intrinsic value for expected to vest 0.5  
Aggregate intrinsic value for exercisable $ 0.2