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Financial - risk management objectives and policies - Effect in profit or loss (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of financial risk management objectives and policies [Line Items] |  |  |
Increase in exchange rate basis points | 10.00% | 10.00% | 10.00%
Decrease in exchange rate basis points | (10.00%) | (10.00%) | (10.00%)
Exchange rate increased effect on income | $ 58,032 | $ 56,122 | $ 7,591
Exchange rate decreased effect on income | (58,032) | (56,122) | (7,083)
Sociedad Minera Cerro Verde S.A.A. |  |  |
Disclosure of financial risk management objectives and policies [Line Items] |  |  |
Exchange rate increased effect on income | 123,181 | 140,420 | 112,080
Exchange rate decreased effect on income | $ (123,181) | $ 140,420 | $ 112,080
Sociedad Minera Cerro Verde S.A.A. | Currency exchange rates |  |  |
Disclosure of financial risk management objectives and policies [Line Items] |  |  |
Increase in exchange rate basis points | 5.00% | 5.00% | 5.00%
Decrease in exchange rate basis points | (5.00%) | (5.00%) | (5.00%)
Exchange rate increased effect on income | $ (23,801) | $ (7,782) | $ 20,656
Exchange rate decreased effect on income | $ 23,801 | $ 7,782 | $ (20,656)

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