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COST OF SALES
 12 Months Ended
Dec. 31, 2022
Cost of sales [Abstract]  
Cost of Sales Cost of Sales
   Gold Copper
Other4
 Total
For the years ended December 31 2022 2021 2022 2021 2022 2021 2022 2021
Site operating cost1,2,3
 $4,678  $4,218  $336  $266  $—  $—  $5,014  $4,484 
Depreciation1
 1,756  1,889  223  197  18  16  1,997  2,102 
Royalty expense 342  371  103  103  —  —  445  474 
Community relations 37  26  4  3  —  —  41  29 
Total $6,813  $6,504  $666  $569  $18  $16  $7,497  $7,089 
1Site operating costs and depreciation include charges to reduce the cost of inventory to net realizable value of $104 million (2021: $22 million). Refer to note 17.
2Site operating costs includes the costs of extracting by-products.
3Includes employee costs of $1,448 million (2021: $1,396 million).
4Other includes corporate amortization.