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Property, plant and equipment, net (Details 1) - Gold [Member] - Minera Yanacocha SRL and subsidiary [Member] | 12 Months Ended
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Dec. 31, 2017 USD ($)
Current period [Member] |
Property, plant and equipments,net [Line Items] |
Commodity price used to estimate future revenues | $ 1,221
Long term period [Member] |
Property, plant and equipments,net [Line Items] |
Commodity price used to estimate future revenues | $ 1,300

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- Definition The estimated commodity prices used to determine future revenues. + References No definition available. + Details
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- Details
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