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Transactions with associates companies (Details 1) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Disclosure Of Transactions with associates companies [Line Items] |  |
Trade receivables | $ 206,032 | $ 152,181
Other Receivables | 154,404 | 291,919
Total trade and other receivables | 351,075 | 435,137
Trade payables | 194,757 | 234,117
Other payables | 62 | 3
Total trade and other payables total | 77 | 1,375
Associates [member] |  |
Disclosure Of Transactions with associates companies [Line Items] |  |
Trade and other receivable total | 8,080 | 134,429
Trade and other receivables current | 8,080 | 8,379
Trade and other receivables Non current | 0 | 126,050
Total trade and other receivables | 8,080 | 134,429
Minera Yanacocha S.R.L. [Member] |  |
Disclosure Of Transactions with associates companies [Line Items] |  |
Trade receivables | 6,740 | 7,079
Trade payables | 0 | 1,347
Compania Minera Coimolache S.A. [Member] |  |
Disclosure Of Transactions with associates companies [Line Items] |  |
Trade receivables | 592 | 681
Trade payables | 15 | 25
Other payables | 42 | 3
Sociedad Minera Cerro Verde S.A.A. [Member] |  |
Disclosure Of Transactions with associates companies [Line Items] |  |
Trade receivables | $ 16 | $ 0

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