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Investments in associates (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of Investments in associates [Line Items] |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | $ 13,207 | $ (365,321) | $ (173,375)
Compania Minera Coimolache S.A. [Member] |  |  |
Disclosure of Investments in associates [Line Items] |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | 21,271 | 23,514 | 16,617
Minera Yanacocha S.R.L. [Member] |  |  |
Disclosure of Investments in associates [Line Items] |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | (76,585) | (455,598) | (196,510)
Sociedad Minera Cerro Verde S.A.A. [Member] |  |  |
Disclosure of Investments in associates [Line Items] |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | $ 68,521 | $ 66,763 | $ 6,518

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- Definition The entity's share of the profit (loss) from continuing operations of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Continuing operations [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss) from continuing operations] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B16_a&doctype=Appendix&seq=2 -URIDate 2017-03-09 + Details
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