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REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue [abstract] |
Revenue | Revenue
For the years ended December 31 | 2020 | 2019
Gold sales 1 |  |
Spot market sales | $11,129 |  | $9,084 |
Concentrate sales | 520 |  | 101 |
Provisional pricing adjustments | 21 |  | 1 |
| $11,670 |  | $9,186 |
Copper sales 1 |  |
Copper concentrate sales | $644 |  | $371 |
Provisional pricing adjustments | 53 |  | 22 |
| $697 |  | $393 |
Other sales 2 | $228 |  | $138 |
Total | $12,595 |  | $9,717 |
1 Revenues include amounts transferred from OCI to earnings for commodity cash flow hedges. 2 Revenues from the sale of by-products from our gold and copper mines.
Disclosure of provisionally prices sales |
| Volumes subject to final pricing Copper (millions) Gold (000s) | Impact on net income before taxation of 10% movement in market price
As at December 31 | 2020 | 2019 | 2020 | 2019
Copper pounds | 49 |  | 39 |  | $16 |  | $11 |
Gold ounces | 22 |  | 15 |  | 4 |  | 2 |

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