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COST OF SALES (Tables) | 12 Months Ended
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Dec. 31, 2020
Analysis of income and expense [abstract] |
Cost of sales |
| Gold | Copper | Other 4 | Total |  |
For the years ended December 31 | 2020 | 2019 | 2020 | 2019 | 2020 | 2019 | 2020 | 2019 |  |
Direct mining cost 1,2,3 | $4,421 |  | $4,274 |  | $292 |  | $224 |  | $3 |  | $6 |  | $4,716 |  | $4,504 |  |  |
Depreciation | 1,975 |  | 1,902 |  | 208 |  | 100 |  | 25 |  | 30 |  | 2,208 |  | 2,032 |  |  |
Royalty expense | 410 |  | 308 |  | 54 |  | 34 |  | — |  | — |  | 464 |  | 342 |  |  |
Community relations | 26 |  | 30 |  | 2 |  | 3 |  | 1 |  | — |  | 29 |  | 33 |  |  |
Total | $6,832 |  | $6,514 |  | $556 |  | $361 |  | $29 |  | $36 |  | $7,417 |  | $6,911 |  |  |
1 Direct mining cost related to gold and copper includes charges to reduce the cost of inventory to net realizable value of $29 million (2019: $26 million). Refer to note 17. 2 Direct mining cost related to gold includes the costs of extracting by-products and export duties paid in Argentina. 3 Includes employee costs of $1,520 million (2019: $1,350 million). 4 Other includes realized hedge gains and losses, as well as corporate amortization.

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