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Share Capital - Range of Exercise Prices of Stock Options (Details)
shares in Thousands
 12 Months Ended
Dec. 31, 2023
shares
$ / shares
Dec. 31, 2022
shares
$ / shares
Dec. 31, 2021
shares
$ / shares
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 26,205 31,150 38,327
Weighted average remaining term (years) 2 years 10 months 13 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 53.60 $ 42.37 $ 35.88
Stock options exercisable (in shares) | shares 3,672 5,522  
Weighted average exercise price, options exercisable (in CAD per share) $ 42.14 $ 37.60  
$20.76 - $29.99      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 5,441    
Weighted average remaining term (years) 2 years 3 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 27.42    
Stock options exercisable (in shares) | shares 969    
Weighted average exercise price, options exercisable (in CAD per share) $ 24.84    
$20.76 - $29.99 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 20.76    
$20.76 - $29.99 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 29.99    
$30.00 - $39.99      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 5,411    
Weighted average remaining term (years) 1 year 10 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 36.67    
Stock options exercisable (in shares) | shares 1,227    
Weighted average exercise price, options exercisable (in CAD per share) $ 36.56    
$30.00 - $39.99 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 30.00    
$30.00 - $39.99 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 39.99    
$40.00 - $49.99      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 2,381    
Weighted average remaining term (years) 2 years 4 months 28 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 40.52    
Stock options exercisable (in shares) | shares 630    
Weighted average exercise price, options exercisable (in CAD per share) $ 40.50    
$40.00 - $49.99 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 40.00    
$40.00 - $49.99 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 49.99    
$50.00 - $59.99      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 433    
Weighted average remaining term (years) 3 years 10 months 9 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 54.24    
Stock options exercisable (in shares) | shares 30    
Weighted average exercise price, options exercisable (in CAD per share) $ 54.24    
$50.00 - $59.99 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 50.00    
$50.00 - $59.99 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 59.99    
$60.00 - $69.99      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 3,837    
Weighted average remaining term (years) 3 years 5 months 26 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 64.90    
Stock options exercisable (in shares) | shares 301    
Weighted average exercise price, options exercisable (in CAD per share) $ 64.21    
$60.00 - $69.99 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 60.00    
$60.00 - $69.99 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 69.99    
$70.00 - $79.99      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 7,787    
Weighted average remaining term (years) 4 years 2 months 4 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 78.48    
Stock options exercisable (in shares) | shares 515    
Weighted average exercise price, options exercisable (in CAD per share) $ 76.35    
$70.00 - $79.99 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 70.00    
$70.00 - $79.99 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 79.99    
$80.00 - $86.06      
Disclosure of range of exercise prices of outstanding share options [line items]      
Stock options outstanding (in shares) | shares 915    
Weighted average remaining term (years) 5 years 8 months 19 days    
Weighted average exercise price, options outstanding (in CAD per share) $ 84.12    
Stock options exercisable (in shares) | shares 0    
Weighted average exercise price, options exercisable (in CAD per share) $ 0    
$80.00 - $86.06 | Bottom of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices 80.00    
$80.00 - $86.06 | Top of range      
Disclosure of range of exercise prices of outstanding share options [line items]      
Range of exercise prices $ 86.06