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EXPLORATION, EVALUATION AND PROJECT EXPENSES (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about exploration and evaluation of mineral resources [Line Items]    
Exploration, evaluation and project expenses (notes 5 and 8) $ 287 $ 295
Corporate and other [Member]    
Disclosure of detailed information about exploration and evaluation of mineral resources [Line Items]    
Global exploration and evaluation 122 143
Corporate development 16 9
Minesite exploration and evaluation 64 79
Pascua-Lama    
Disclosure of detailed information about exploration and evaluation of mineral resources [Line Items]    
Project costs 46 37
Other projects [Member]    
Disclosure of detailed information about exploration and evaluation of mineral resources [Line Items]    
Project costs $ 39 $ 27