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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Summary of Inventories
At March 31,
2023
At December 31,
2022
Materials and supplies$779 $750 
In-process134 123 
Concentrate85 47 
Precious metals69 59 
Inventories$1,067 $979