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Transactions with related parties (Tables) - Minera Yanacocha SRL and subsidiary [Member] | 12 Months Ended
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Dec. 31, 2017
Disclosure Of Related Parties [Line Items] |
Disclosure of detailed information about the transactions with its related parties [text Block] |
| (a) | The main transactions carried out by the Company with its related parties in the years 2017, 2016, and 2015 were:
|  | 2017 |  | 2016 |  | 2015 |
|  | US$(000) |  | US$(000) |  | US$(000) |
Royalties paid: |  |  |  |  |  |  |  |  |  |
S.M.R.L. Chaupiloma Dos de Cajamarca, note 15 and 1(a) |  |  | 20,739 |  |  | 24,339 |  |  | 32,414 |
Services rendered by: |  |  |  |  |  |  |  |  |  |
Newmont Peru S.R.L. (management services) |  |  | 8,985 |  |  | 10,420 |  |  | 24,644 |
Newmont USA Limited |  |  | 5,607 |  |  | 6,438 |  |  | 9,076 |
Disclosure of information about outstanding balances with related party transactions [text Block] |
| (b) | As a result of the transactions indicated in the paragraph (a), the Company had the following accounts receivable and payable from/to associates:
|  | 2017 |  | 2016 |
|  | US$(000) |  | US$(000) |
Balance receivable from related parties, note 6 |  |  |  |  |  |  |
Newmont USA Limited |  |  | 1,523 |  |  | 389 |
Suriname Gold Company LLC |  |  | 567 |  |  | 281 |
NVL, USA Limited, Delaware |  |  | 79 |  |  | - |
Newmont Peru S.R.L. |  |  | 10 |  |  | 15 |
Newmont Technologies Limited |  |  | 5 |  |  | 120 |
Others |  |  | 1 |  |  | 10 |
|  |  | 2,185 |  |  | 815 |
Balance payable for related parties, note 11 |  |  |  |  |  |  |
S.M.R Chaupiloma Dos de Cajamarca |  |  | 5,144 |  |  | 5,846 |
Newmont USA Limited. |  |  | 2,548 |  |  | 1,403 |
Newmont Peru S.R.L. |  |  | 1,263 |  |  | 742 |
Newmont Technologies Limited. |  |  | 960 |  |  | 1,007 |
Newmont International Service Limited. |  |  | 42 |  |  | 26 |
Others |  |  | 5 |  |  | 28 |
|  |  | 9,962 |  |  | 9,052 |

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