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Provisions and contingent liabilities - Movement of the provision for social responsibility (Details) - Minera Yanacocha SRL and subsidiary [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Provisions and contingent liabilities
Payments	$ (1,062)	$ (6)	$ (572)
Closed Items	(888)
Corrections		(1,711)
Additional provisions			888
Ending balance	14,659	16,609	18,326
Opening balance	16,609	18,326	18,010
Classification by maturity [Abstract]
Current portion	1,316	1,728	761
Non-current portion	13,343	14,881	17,565
Ending balance	$ 14,659	$ 16,609	$ 18,326

X

- Definition

Amount of additional provision recognised during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- References

No definition available.

+ Details

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X

- Definition

Amount paid for social responsibility towards closed items provision.

+ References

No definition available.

+ Details

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X

- Definition

Amount of increase (decrease) in provisions for social responsibility due to corrections.

+ References

No definition available.

+ Details

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X

- Definition

Amount of provision for social responsibility classified as current.

+ References

No definition available.

+ Details

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- Definition

Provisions and contingent liabilities

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- Definition

Amount of provision for social responsibility classified as Non-Current.

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- Definition

Amount paid for social responsibility out of Provisions made.

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Amount of provision for social responsibility.

+ References

No definition available.

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- Details

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