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Sales - Additional information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 10.00% | 10.00% | 10.00%
Revenue from sale of goods, related party transactions | $ 3,800.0 | $ 4,000.0 | $ 2,400.0
Increase decrease in revenue from sale of copper through adjustments arising from change in provisional price | $ 78.2 | $ 88.6 | $ 64.7
Percentage of sales to related party | 95.00% | 95.00% | 94.00%
Customer1 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 32.00% | 37.00% | 26.00%
Customer2 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 23.00% | 19.00% | 23.00%
Customer3 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 22.00% | 17.00% | 16.00%
Customer4 [Member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 10.00% | 15.00% | 15.00%
Trade receivables [member] |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage of entity's revenue | 71.00% | 68.00% |
Sociedad Minera Cerro Verde S.A.A. |  |  |
Disclosure Of Net Sales [Line Items] |  |  |
Percentage Of Sale Expenses On Operating Income | 1.00% |  |

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