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CAPITAL STOCK AND EQUITY - Summary of Stock Options Activities (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding, beginning of year, Shares (in shares) 3,537,000 4,298,000 4,872,000
Exercised, Shares (in shares) 0 0 0
Forfeited, Shares (in shares) 0 (37,000) (80,000)
Expired, Shares (in shares) (525,000) (724,000) (494,000)
Outstanding, end of year, Shares (in shares) 3,012,000 3,537,000 4,298,000
Expected to vest, Shares (in shares) 0 150,000 495,000
Exercisable, end of year, Shares (in shares) 3,012,000 3,387,000 3,803,000
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) $ 72.10 $ 75.24 $ 75.95
Forfeited, weighted average exercise price (in USD per share) 0 44.98 34.58
Expired, weighted average exercise price (in USD per share) 119.83 92.14 88.82
Outstanding, end of year, weighted average exercise price (in USD per share) 63.79 72.10 75.24
Expected to vest, weighted average exercise price (in USD per share) 0 45.77 49.11
Exercisable, end of year, weighted average exercise price (in USD per share) $ 63.79 $ 73.26 $ 78.64
Weighted average remaining contractual life for options outstanding 3 years 1 month 6 days    
Aggregate intrinsic value for options outstanding $ 0.0    
Weighted average remaining contractual life for exercisable 3 years 1 month 6 days    
Aggregate intrinsic value for exercisable $ 0.0