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IMPAIRMENT - Key assumptions (Details)
 12 Months Ended
Dec. 31, 2022
$ / oz
Dec. 31, 2021
$ / $
$ / $
$ / oz
Dec. 31, 2022
Dec. 31, 2022
$ / shares
Dec. 31, 2022
$ / $
Dec. 31, 2022
$ / $
IMPAIRMENT            
Inflation   2.00% 2.00%      
Minimum            
IMPAIRMENT            
Gold price per oz 1,700 1,600        
WACC 5.80% 6.00%        
NAV multiple     1.06      
Foreign exchange rates   0.79   0.75 1.00  
Maximum            
IMPAIRMENT            
Gold price per oz 1,800 1,800        
WACC 9.70% 7.90%        
NAV multiple     1.21      
Foreign exchange rates   1.00     1.00 0.80