XML 191 R177.htm IDEA: XBRL DOCUMENT
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Tax situation (Details Textual) |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |
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Jan. 02, 2014 | Oct. 01, 2013 USD ($) | Oct. 01, 2013 PEN (S/) | Feb. 14, 1998 | Jan. 02, 2017 | Dec. 31, 2014 USD ($) | Sep. 28, 2011 | Dec. 31, 2011 USD ($) | Dec. 31, 2011 PEN (S/) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 PEN (S/) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 PEN (S/) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 PEN (S/) | Sep. 30, 2011 USD ($) | Sep. 30, 2011 PEN (S/) | Dec. 31, 2009 USD ($) | Dec. 31, 2009 PEN (S/) | Dec. 31, 2017 PEN (S/) | Dec. 31, 2016 PEN (S/) | Jun. 27, 2016 USD ($) | Dec. 31, 2014 PEN (S/) | Dec. 17, 2014 PEN (S/)
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  | 29.50% | 29.50% | 32.00% | 32.00% | 32.00% |  |  |  |  |  |  |  |  |  |
Income Tax Rate Applicable To Dividends |  |  |  |  |  |  |  |  |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable Tax Rate With Respect To Results Obtained |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.80% | 4.10% |  |  |  |  |  |  |  |  |
Unused tax losses for which no deferred tax asset recognised |  |  |  |  |  |  |  |  |  | $ 412,302,000 |  | $ 415,149,000 |  |  |  |  |  |  |  | S/ 1,337,919,000 | S/ 1,347,159,000 |  |  |
Mining royalties |  |  |  |  |  |  |  |  |  | 31,217,000 |  | 27,611,000 |  | $ 27,188,000 |  |  |  |  |  |  |  |  |  |
Valuation allowance on deferred income tax asset |  |  |  |  |  |  |  |  |  | 51 |  | 386 |  | 510 |  |  |  |  |  |  |  |  |  |
Term of agreement of guarantees and measures to promote investments |  |  |  | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current tax assets, non-current |  |  |  |  |  |  |  |  |  | 3,413,000 |  | 3,660,000 |  |  |  |  |  |  |  |  |  |  |  |
Tax Assessments Liability | S/ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | S/ 106,400,000 | S/ 106,400,000
Penalties and interest unrecognised |  |  |  |  |  | $ 139,700,000 |  |  |  |  |  |  |  |  | S/ 139,700,000 |  |  |  |  |  |  |  |  |
Penalties and interest paid to government |  | $ 89,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax payment, Estimate of Possible Loss |  | $ 151,500,000 | S/ 492,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax payment based on exchange rates |  |  |  |  |  |  |  |  |  | 141,700,000 |  | 141,700,000 |  |  |  |  |  |  |  |  |  |  |  |
Tax payment based on estimated due |  |  |  |  |  |  |  |  |  | 145,900,000 | S/ 459,700,000 |  | S/ 459,700,000 |  |  |  |  |  |  |  |  |  |  |
Penalties and interest for default tax |  |  |  |  |  |  |  | $ 7,800,000 |  |  |  |  |  |  |  | $ 99,900,000 |  | $ 56,200,000 | S/ 289,200,000 |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  | 275,000,000 |  | 275,000,000 |  |  |  |  |  |  |  |  |  | $ 275,000,000 |  |
Mining royalties payable |  |  |  |  |  |  |  |  |  | 82,100,000 |  | 110,800,000 |  |  |  |  |  |  |  | 266,300,000 | 372,200,000 |  |  |
Current tax expense (income) |  |  |  |  |  |  |  |  |  | 23,837,000 |  | 39,444,000 |  | 14,222,000 |  |  |  |  |  |  |  |  |  |
Current tax expense income relating to special mining tax |  |  |  |  |  |  |  |  |  | 102,600,000 |  | 14,900,000 |  |  |  |  |  |  |  |  |  |  |  |
Current tax expense income relating to mining royalties |  |  |  |  |  |  |  |  |  | 110,700,000 |  | 22,900,000 |  |  |  |  |  |  |  |  |  |  |  |
Current tax expense income relating to statutory retirement fund |  |  |  |  |  |  |  |  |  | 10,900,000 |  | 2,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax expense (income) |  |  |  |  |  |  |  |  |  | (5,825,000) |  | 14,060,000 |  | 541,000 |  |  |  |  |  |  |  |  |  |
Tax expense (income), continuing operations |  |  |  |  |  |  |  |  |  | 18,012,000 |  | 53,504,000 |  | $ 14,763,000 |  |  |  |  |  |  |  |  |  |
Disputed mining royalties and special mining taxes for prior years included in current income tax expense |  |  |  |  |  |  |  |  |  | 245,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disputed mining royalties for prior period included in current income tax expense |  |  |  |  |  |  |  |  |  | 69,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Special mining tax for prior period included in current income tax expense |  |  |  |  |  |  |  |  |  | 61,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax on Statutory retirement fund for prior period included in current income tax expense |  |  |  |  |  |  |  |  |  | 5,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other taxes for prior period included in current income tax expense |  |  |  |  |  |  |  |  |  | 109,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other taxes included in deferred tax expense income |  |  |  |  |  |  |  |  |  | (241,700,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of the assessment, including interest and penalties |  |  |  |  |  |  |  | $ 15,300,000 | S/ 49,800,000 |  |  |  |  |  |  | $ 180,700,000 | S/ 586,500,000 | $ 89,100,000 | S/ 289,200,000 |  |  |  |  |
Net charges associated with disputed royalty assessments |  |  |  |  |  |  |  |  |  | 393,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Potential unpaid penalties and interest |  |  |  |  |  |  |  |  |  | 385,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  | $ 86,500,000 |  | $ 115,300,000 |  |  |  |  |  |  |  | S/ 280,800,000 | S/ 387,500,000 |  |  |
Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty rate on revenue | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty rate on revenue | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  | $ 800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Peruvian government [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  |  |  |  |  |  | 32.00% | 32.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable tax rate |  |  |  |  | 29.50% |  |  |  |  | 29.50% | 29.50% | 28.00% | 28.00% | 28.00% |  |  |  |  |  |  |  |  |  |
Maximum mining tax rate on operating profit |  |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining royalties |  |  |  |  |  |  |  |  |  | $ 3,140,629 |  | $ 3,742,000 |  | $ 2,456,000 |  |  |  |  |  |  |  |  |  |
Employers contribution rate |  |  |  |  |  |  |  |  |  | 0.50% | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Employees Contribution Rate |  |  |  |  |  |  |  |  |  | 0.50% | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Income and mining tax expense |  |  |  |  |  |  |  |  |  | $ 28,685 |  | 141,870 |  | 459,000 |  |  |  |  |  |  |  |  |  |
Current tax expense (income) |  |  |  |  |  |  |  |  |  | 7,026,000 |  | 43,127,000 |  | 118,913,000 |  |  |  |  |  |  |  |  |  |
Deferred tax expense (income) |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 483,804,000 |  |  |  |  |  |  |  |  |  |
Tax expense (income), continuing operations |  |  |  |  |  |  |  |  |  | 7,026,000 |  | 43,127,000 |  | 602,717,000 |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Special Mining Burden GEM [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional income and mining tax expense |  |  |  |  |  |  |  |  |  | 3,526,000 |  | 6,945,000 |  | 19,883,000 |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Special mining tax rate IEM [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining tax expense |  |  |  |  |  |  |  |  |  | $ 1,418,000 |  | $ 3,259,000 |  | $ 1,838,000 |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Special mining tax rate IEM [Member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining tax rate on operating profit |  |  |  |  |  |  |  |  |  | 2.00% | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Special mining tax rate IEM [Member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining tax rate on operating profit |  |  |  |  |  |  |  |  |  | 8.40% | 8.40% |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Special mining burden rateGEM [Member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining tax rate on operating profit |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Special mining burden rateGEM [Member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mining tax rate on operating profit |  |  |  |  |  |  |  |  |  | 13.12% | 13.12% |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Peruvian government [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty rate on revenue |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Fiscal year 2015 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Progressive income tax rate |  |  |  |  |  | 28.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Fiscal year 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Progressive income tax rate |  |  |  |  |  | 27.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minera Yanacocha SRL and subsidiary [Member] | Fiscal year 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Progressive income tax rate |  |  |  |  |  | 26.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in tax rates or tax laws enacted or announced [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Income Tax Explanatory [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable Tax Rate With Respect To Results Obtained |  |  |  |  |  |  |  |  |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The amount of additional income and mining tax expense arised from the operations at Cerro Yanacocha and La Quinua + References No definition available. + Details
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- Definition The amount of assessment including interest and penalties on default tax. + References No definition available. + Details
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- Definition The applicable tax rate with respect to results obtained. + References No definition available. + Details
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- Definition The amount of current tax expense (income) relating to mining royalties. + References No definition available. + Details
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- Definition The amount of current tax expense (income) relating to special mining tax. + References No definition available. + Details
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- Definition The amount of current tax expense (income) relating to statutory retirement fund. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The amount of disputed mining royalties and special mining taxes for prior years included in current income tax expense. + References No definition available. + Details
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- Definition The amount of disputed mining royalties for prior period included in current income tax expense. + References No definition available. + Details
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- Definition The rate of employees contribution to supplementary fund relates to metallurgical and steel workers applied on the monthly gross salary. + References No definition available. + Details
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- Definition The rate of employers contribution to supplementary fund relates to metallurgical and steel workers applied on the annual income before taxes. + References No definition available. + Details
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- Definition The amount of income and mining tax expense. + References No definition available. + Details
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- Definition The income tax rate applicable to dividends. + References No definition available. + Details
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- Definition The maximum percentage of mining tax rate to be calculated based on level of operating profit. + References No definition available. + Details
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- Definition Royalty expense incurred and are directly related to goods produced and sold and services rendered during the reporting period. + References No definition available. + Details
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- Definition The amount of mining royalty payable. + References No definition available. + Details
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- Definition The amount of mining tax expense. + References No definition available. + Details
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- Definition The percentage of mining tax rate applied on operating profit to be payable on a quarterly basis. + References No definition available. + Details
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- Definition The amount of net charges associated with disputed royalty assessments. + References No definition available. + Details
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- Definition The amount of other taxes for prior period included in current income tax expense. + References No definition available. + Details
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- Definition The amount of other taxes included in deferred income tax expense. + References No definition available. + Details
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- Definition The amount of interest and penalties on default tax. + References No definition available. + Details
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