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Trade and other receivables, net - Receivables (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Trade and other receivables, net |  |  |  |  |
Trade receivables, gross |  | $ 181,968 | $ 226,112 |  |
Other receivables, gross |  | 183,054 | 182,137 |  |
Allowance for expected credit losses (b) |  | (9,717) | (10,006) | $ (10,089) |
Other Receivables |  | 173,337 | 172,131 |  |
Total trade and other receivables, net |  | 333,177 | 376,227 |  |
Trade and other receivables, net |  | 230,830 | 287,712 |  |
Trade and other receivables, net |  | 102,347 | 88,515 |  |
Foreign clients [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Trade receivables, gross |  | 46,612 | 78,860 |  |
Advances to suppliers [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other receivables, gross |  | 20,569 | 9,275 |  |
Tax claims [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other receivables, gross |  | 62,373 | 44,014 |  |
Related entities [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Trade receivables, gross | [1] | 6,073 | 6,247 |  |
Other receivables, gross |  | 2,312 | 2,967 |  |
Other [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other receivables, gross |  | 475 | 743 |  |
Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other receivables, gross |  | 34,185 | 43,311 |  |
Allowance for expected credit losses (b) |  | (1,384) | (1,384) | $ (1,384) | $ (1,384)
Other Receivables |  | 32,801 | 41,927 |  |
Total trade and other receivables, net |  | 49,720 | 42,610 |  |
Trade and other receivables, net |  | 28,044 | 18,962 |  |
Trade and other receivables, net |  | 21,676 | 23,648 |  |
Minera Yanacocha SRL and subsidiary [Member] | Foreign clients [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Trade receivables, gross |  | 16,919 | 683 |  |
Minera Yanacocha SRL and subsidiary [Member] | Advances to suppliers [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other Receivables |  | 7,095 | 9,872 |  |
Minera Yanacocha SRL and subsidiary [Member] | Tax claims [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other Receivables |  | 386 | 3,946 |  |
Minera Yanacocha SRL and subsidiary [Member] | Related entities [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other Receivables |  | 2,300 | 598 |  |
Minera Yanacocha SRL and subsidiary [Member] | Other [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other Receivables |  | 2,728 | 5,247 |  |
Minera Yanacocha SRL and subsidiary [Member] | Credit of tax on net assets [Member] |  |  |  |  |
Trade and other receivables, net |  |  |  |  |
Other Receivables |  | $ 21,676 | $ 23,648 |  |
[1] | (b)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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