IMPAIRMENT (Details)	12 Months Ended
Dec. 31, 2021 $ / $ $ / oz	Dec. 31, 2020 $ / $ $ / oz	Mar. 28, 2018
Canadian Malartic joint operation
Impairment
Nominal discount rate (as a percent)	6.00%	6.40%
Estimate of future long-term gold price	1,600	1,500
Foreign exchange rates \| $ / $	0.79	0.78
Inflation rate (as a percent)	2.00%	2.00%
Canadian Malartic joint operation \| CMC Exploration Assets
Impairment
Percentage of voting equity interests acquired			50.00%
Canadian Malartic joint operation \| Minimum
Impairment
Estimate of future short-term gold price	1,600	1,800
Canadian Malartic joint operation \| Maximum
Impairment
Estimate of future short-term gold price	1,800	1,900
CMC Exploration Assets
Impairment
Nominal discount rate (as a percent)	7.90%	8.10%
Estimate of future short-term and long-term gold price	1,600	1,500
Foreign exchange rates \| $ / $	0.79	0.78
Inflation rate (as a percent)	2.00%	2.00%

The recoverable amount calculation was based on an estimate of future inflation rate.

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Gold prices applied in the recoverable amount calculation using an estimate of future production levels.

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Long-term gold prices applied in the recoverable amount calculation using an estimate of future production levels.

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Short-term gold prices applied in the recoverable amount calculation using an estimate of future production levels.

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The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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