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Earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Earnings per share [Line Items]
Profit for the year	$ (262,804)	$ (150,339)	$ (28,459)
Weighted average number of share outstanding (Note 12(a))	253,986,867	253,986,867	253,986,867
Basic earnings (loss) per share	$ (1.04)	$ (0.53)	$ (0.05)
Diluted earnings (loss) per share	$ (1.04)	$ (0.53)	$ (0.05)
Sociedad Minera Cerro Verde S.A.A. [Member]
Disclosure Of Earnings per share [Line Items]
Profit for the year	$ 1,191,474,000	$ 274,544,000	$ 390,377,000
Weighted average number of share outstanding (Note 12(a))	350,056,012	350,056,012	350,056,012
Basic earnings (loss) per share	$ 3.404	$ 0.784	$ 1.115
Diluted earnings (loss) per share	$ 3.404	$ 0.784	$ 1.115

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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