XML 114 R100.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Financial Expenses (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Sociedad Minera Cerro Verde S.A.A. [Member] |
Disclosure Of Financial Expenses [Line Items] |
Disclosure detailed information about financial expenses [Text Block] | This item is made up as follows:
|  | For the year ended |  | For the year ended |  | For the year ended |
|  | December 31, 2017 |  | December 31, 2016 |  | December 31, 2015 |
|  | US$(000) |  | US$(000) |  | US$(000) |
Interest on mining royalties (a) |  |  | 144,815 |  |  | - |  |  | - |
Interest on senior unsecured credit facility (Note 11(a)) |  |  | 44,678 |  |  | 51,155 |  |  | 35,255 |
Other financial expenses (b) |  |  | 10,934 |  |  | 1,880 |  |  | 7,366 |
Interest on shareholder loans (Note 11(b)) |  |  | 7,992 |  |  | 19,836 |  |  | 1,181 |
Extinguishment debt - debt issuance cost |  |  | 6,266 |  |  | - |  |  | - |
Amortization debt issuance cost |  |  | 4,479 |  |  | 8,901 |  |  | 5,927 |
Capitalized Interest |  |  | (2,252) |  |  | (1,334) |  |  | (33,719) |
|  |  | 216,912 |  |  | 80,438 |  |  | 16,010 |
| (a) | Represents financial expenses related to interest on royalties, interest paid on the royalty installment payment program and interest on royalty penalties for the period December 2006 through the year 2008 of US$141.7 million and interest on ITAN 2012 of US$3.1 million (see Note 14(d)).
| (b) | Primarily represents interest and interest on penalties on income and non-income tax contingencies related to SUNAT assessments for prior years in which the Company expects to obtain an unfavorable result.

X
- Definition The disclosure of detailed information of financial expenses. + References No definition available. + Details
Name: | cik0001013131_DisclosureDetailedInformationAboutFinancialExpensesTextBlock
Namespace Prefix: | cik0001013131_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | cik0001013131_DisclosureOfFinancialExpensesLineItems
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=cik0001013131_SociedadMineraCerroVerdeSaaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |