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Exploration and Evaluation Assets, Net
9 Months Ended
Sep. 30, 2021
Disclosure Of Exploration And Evaluation Assets [Abstract]  
Exploration and Evaluation Assets, Net
12. EXPLORATION AND EVALUATION ASSETS, NET
Total
As at December 31, 2020623
Additions37
Exploration Expense(12)
Change in Decommissioning Liabilities8
Exchange Rate Movements and Other(1)
As at September 30, 2021655