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COST OF SALES | 6 Months Ended
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Jun. 30, 2021
Analysis of income and expense [abstract] |
COST OF SALES | 7 n Cost of Sales
| Gold | Copper | Other 3 | Total |  |  |
For the three months ended June 30 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 |  |  |
Site operating costs 1,2 | $1,016 |  | $1,121 |  | $65 |  | $79 |  | $— |  | $2 |  | $1,081 |  | $1,202 |  |  |  |
Depreciation 1 | 448 |  | 498 |  | 46 |  | 63 |  | 6 |  | 5 |  | 500 |  | 566 |  |  |  |
Royalty expense | 92 |  | 116 |  | 25 |  | 11 |  | — |  | — |  | 117 |  | 127 |  |  |  |
Community relations | 5 |  | 5 |  | 1 |  | — |  | — |  | — |  | 6 |  | 5 |  |  |  |
| $1,561 |  | $1,740 |  | $137 |  | $153 |  | $6 |  | $7 |  | $1,704 |  | $1,900 |  |  |  |
| Gold | Copper | Other 3 | Total |  |  |
For the six months ended June 30 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 |  |  |
Site operating costs 1,2 | $2,036 |  | $2,201 |  | $130 |  | $148 |  | $— |  | $4 |  | $2,166 |  | $2,353 |  |  |  |
Depreciation 1 | 902 |  | 972 |  | 94 |  | 106 |  | 11 |  | 12 |  | 1,007 |  | 1,090 |  |  |  |
Royalty expense | 185 |  | 200 |  | 48 |  | 22 |  | — |  | — |  | 233 |  | 222 |  |  |  |
Community relations | 9 |  | 10 |  | 1 |  | 1 |  | — |  | — |  | 10 |  | 11 |  |  |  |
| $3,132 |  | $3,383 |  | $273 |  | $277 |  | $11 |  | $16 |  | $3,416 |  | $3,676 |  |  |  |
1 Site operating costs and depreciation include charges to reduce the cost of inventory to net realizable value as follows: $nil for the three months ended June 30, 2021 (2020: $1 million) and $14 million for the six months ended June 30, 2021 (2020: $18 million). 2 Site operating costs includes the costs of extracting by-products. 3 Other includes realized hedge gains and losses and corporate amortization.

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- Definition The disclosure of the cost of sales. [Refer: Cost of sales] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
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