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Selling Expenses (Tables) | 12 Months Ended
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Dec. 31, 2017
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 |  | For the year ended |  | For the year ended |
|  | December 31, 2017 |  | December 31, 2016 |  | December 31, 2015 |
|  | US$(000) |  | US$(000) |  | US$(000) |
Concentrate freight |  |  | 131,528 |  |  | 122,431 |  |  | 51,842 |
Commissions |  |  | 6,029 |  |  | 5,989 |  |  | 2,729 |
Cathode freight |  |  | 1,665 |  |  | 2,148 |  |  | 1,644 |
Other |  |  | 2,447 |  |  | 823 |  |  | - |
|  |  | 141,669 |  |  | 131,391 |  |  | 56,215 |

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- Definition The disclosure of detailed information of selling expenses. + References No definition available. + Details
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Namespace Prefix: | cik0001013131_
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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |