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EXPLORATION, EVALUATION AND PROJECT EXPENSES (Tables) | 12 Months Ended
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Dec. 31, 2020
Exploration For and Evaluation of Mineral Resources [Abstract] |
Exploration, evaluation and project expenses |
For the years ended December 31 | 2020 | 2019
Global exploration and evaluation 1 | $143 |  | $143 |
Project costs: |  |
Pascua-Lama | 37 |  | 49 |
Other | 27 |  | 20 |
Corporate development 2 | 9 |  | 51 |
Business improvement and innovation | — |  | 10 |
Minesite exploration and evaluation 1 | 79 |  | 69 |
Total exploration, evaluation and project expenses | $295 |  | $342 |
1 Approximates the impact on operating cash flow. 2 2019 includes $44 million in transaction costs related to the Nevada Gold Mines, Acacia and Kalgoorlie transactions.

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