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Trade and other receivables, net (Details 1) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Trade receivables, gross |  | $ 228,855 | $ 174,825 |  |
Allowance for doubtful accounts |  | 9,361 | (8,963) | $ 4,779 |
Other Receivables |  | 154,404 | 291,919 |  |
Total trade and other receivables, net |  | 351,075 | 435,137 |  |
Trade and other receivables, net |  | 306,884 | 269,089 |  |
Trade and other receivables, net |  | 44,191 | 166,048 |  |
Foreign clients [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Trade receivables, gross |  | 119,388 | 77,254 |  |
Advances to suppliers [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other Receivables |  | 1,977 | 908 |  |
Related entities [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Trade receivables, gross | [1] | 7,348 | 7,760 |  |
Other Receivables | [1] | 732 | 126,669 |  |
Other minors [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other Receivables |  | 4,675 | 1,021 |  |
Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other receivables, gross |  | 48,672 | 32,417 |  |
Allowance for doubtful accounts |  | 1,384 | (1,407) | $ 1,444 | $ 1,788
Other Receivables |  | 47,288 | 31,010 |  |
Total trade and other receivables, net |  | 48,320 | 40,975 |  |
Trade and other receivables, net |  | 36,800 | 40,975 |  |
Trade and other receivables, net |  | 11,520 | 0 |  |
Minera Yanacocha SRL and subsidiary [Member] | Foreign clients [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Trade receivables, gross |  | 1,032 | 9,965 |  |
Minera Yanacocha SRL and subsidiary [Member] | Advances to suppliers [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other receivables, gross |  | 20,724 | 18,024 |  |
Minera Yanacocha SRL and subsidiary [Member] | Tax claims [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other receivables, gross |  | 10,211 | 6,955 |  |
Minera Yanacocha SRL and subsidiary [Member] | Related entities [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other receivables, gross |  | 2,185 | 815 |  |
Minera Yanacocha SRL and subsidiary [Member] | Other minors [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other receivables, gross |  | 4,032 | 6,623 |  |
Minera Yanacocha SRL and subsidiary [Member] | Credit of tax on net assets [Member] |  |  |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |  |  |
Other receivables, gross |  | $ 11,520 | $ 0 |  |
[1] | Trade accounts receivable are denominated in U.S. dollars, are neither due nor impaired, do not yield interest and have no specific guarantees.

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