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Selling Expenses (Tables) | 12 Months Ended
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Dec. 31, 2018
Sociedad Minera Cerro Verde S.A.A. [Member] |
Disclosure of Selling Expenses [Line Items] |
Disclosure detailed information about selling expense [Text Block] | This item is made up of as follows:
|  | For the year ended December 31, 2018 |  |  | For the year ended December 31, 2017 |  |  | For the year ended December 31, 2016 |
|  | US$(000) |  |  | US$(000) |  |  | US$(000) |
Concentrate freight |  |  | 126,670 |  |  |  | 131,528 |  |  |  | 122,431 |
Commissions |  |  | 6,048 |  |  |  | 6,029 |  |  |  | 5,989 |
Cathode freight |  |  | 1,831 |  |  |  | 1,665 |  |  |  | 2,148 |
Other |  |  | 2,459 |  |  |  | 2,447 |  |  |  | 823 |
|  |  | 137,008 |  |  |  | 141,669 |  |  |  | 131,391 |

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- Details
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