XML 159 R124.htm IDEA: XBRL DOCUMENT v3.22.4
Non-Controlling Interests - Summary of Information About Subsidiaries with Non-controlling Interests and Non-controlling Interest Balances (Detail) - CAD ($)
$ in Millions
12 Months Ended
Mar. 29, 2019
Dec. 31, 2022
Dec. 31, 2019
Dec. 31, 2021
Disclosure of subsidiaries [line items]        
Non-controlling interests   $ 1,038   $ 768
Carmen de Andacollo        
Disclosure of subsidiaries [line items]        
Percentage of Ownership Interest Held by Non-Controlling Interest   10.00%    
Percentage of Voting Rights Held by Non-Controlling Interest   10.00%    
Non-controlling interests   $ 26   24
Elkview Mine Limited Partnership        
Disclosure of subsidiaries [line items]        
Percentage of Ownership Interest Held by Non-Controlling Interest   5.00%    
Percentage of Voting Rights Held by Non-Controlling Interest   5.00%    
Non-controlling interests   $ 87   86
Compañía Minera Zafranal S.A.C.        
Disclosure of subsidiaries [line items]        
Percentage of Ownership Interest Held by Non-Controlling Interest   20.00%    
Percentage of Voting Rights Held by Non-Controlling Interest   20.00%    
Non-controlling interests   $ 51   46
Quebrada Blanca        
Disclosure of subsidiaries [line items]        
Percentage of Ownership Interest Held by Non-Controlling Interest   40.00%    
Percentage of Voting Rights Held by Non-Controlling Interest   40.00%    
Non-controlling interests   $ 874   $ 612
Quebrada Blanca | SSM/SC        
Disclosure of subsidiaries [line items]        
Portion of additional interest acquired 30.00%      
Quebrada Blanca | ENAMI        
Disclosure of subsidiaries [line items]        
Percentage of Ownership Interest Held by Non-Controlling Interest     10.00%