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v3.21.2

CONTINGENCIES (Details) |  |  |  | 6 Months Ended
--- | --- | --- | --- | ---
Apr. 09, 2021 | Feb. 10, 2021 numberOfAffidavits | Apr. 25, 2020 | Jun. 30, 2021 USD ($)
Reko Diq [Member] |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Proportion of ownership interest in joint venture |  |  |  | 50.00%
Porgera |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Proportion of ownership interest in joint venture | 49.00% |  | 95.00% |
Number of years of extension of the Porgera special mining lease |  |  | 20 years |
Percent of ownership by other parties in joint ventures | 51.00% |  |  |
Proportion of economic benefits received by other parties in joint venture | 53.00% |  |  |
Proportion of economic benefits received in joint venture | 47.00% |  |  |
Number of years before government option to acquire remaining equity stake in Porgera | 10 years |  |  |
Legal proceedings contingent liability [member] | Canadian Class Action [Member] |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  | $ 0
Legal proceedings contingent liability [member] | Writ of Kalikasan [Member] |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  | 0
Contingent liabilities, number of additional judicial affidavits | numberOfAffidavits |  | 1 |  |
Legal proceedings contingent liability [member] | Reko Diq Arbitration [Member] |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  | 0
Legal proceedings contingent liability [member] | Porgera Tax Audits [Member] |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Estimated financial effect of contingent liabilities |  |  |  | $ 0

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