XML 19 R5.htm IDEA: XBRL DOCUMENT
v3.19.1

Consolidated statements of changes in equity - USD ($) $ in Thousands | Total | Minera Yanacocha SRL and subsidiary [Member] | Sociedads Mineras Cerro Verde Saa [Member] | Capital stock, net of treasury shares [member] | Capital stock, net of treasury shares [member] Minera Yanacocha SRL and subsidiary [Member] | Capital stock, net of treasury shares [member] Sociedads Mineras Cerro Verde Saa [Member] | Other reserves of equity [member] | Other reserves of equity [member] Minera Yanacocha SRL and subsidiary [Member] | Other reserves of equity [member] Sociedads Mineras Cerro Verde Saa [Member] | Retained Earnings [Member] | Retained Earnings [Member] Minera Yanacocha SRL and subsidiary [Member] | Retained Earnings [Member] Sociedads Mineras Cerro Verde Saa [Member] | Equity attributable to owners of parent [member] | Non-controlling interests [member] | Additional Paid-in Capital [Member] | Additional Paid-in Capital [Member] Minera Yanacocha SRL and subsidiary [Member] | Legal reserve [member] | Miscellaneous other reserves [member] | Miscellaneous other reserves [member] Sociedads Mineras Cerro Verde Saa [Member] | Investement shares [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2015 | $ 3,389,236 | $ 2,228,825 | $ 4,498,374 | $ 750,497 | $ 398,216 | $ 990,659 | $ 2,240 | $ 1,088 |  | $ 2,024,895 | $ 1,829,295 | $ 3,309,583 | $ 3,161,066 | $ 228,170 | $ 219,055 | $ 226 | $ 162,714 | $ 269 | $ 198,132 | $ 1,396
Balance (in shares) at Dec. 31, 2015 |  |  |  | 253,715,190 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net profit (loss) | (327,814) | (1,043,752) | 340,907 | $ 0 | 0 | 0 | 0 | 0 |  | (323,492) | (1,043,752) | 340,907 | (323,492) | (4,322) | 0 | 0 | 0 | 0 | 0 | 0
Other comprehensive profit (loss) | (5,390) | 651 |  | 0 | 0 |  | (4,023) | 651 |  | 0 | 0 |  | (4,023) | (1,367) | 0 | 0 | 0 | 0 |  | 0
Total other comprehensive income (loss) | (333,204) | (1,043,101) |  | 0 | 0 |  | (4,023) | 651 |  | (323,492) | (1,043,752) |  | (327,515) | (5,689) | 0 | 0 | 0 | 0 |  | 0
Treasury shares | (1,210) |  |  | 0 |  |  | 0 |  |  | 0 |  |  | (1,210) | 0 | (605) |  | 0 | 0 |  | (605)
Dividends declared and paid, note 17(d) | (15,021) | (300,000) |  | 0 | 0 |  | 0 | 0 |  | (7,621) | (300,000) |  | (7,621) | (7,400) | 0 | 0 | 0 | 0 |  | 0
Expired dividends, note 17(c) | 30 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 30 | 0 | 0 |  | 30 | 0 |  | 0
Change in non-controlling interest, note 18(a) | 7,382 |  |  | 0 |  |  | 0 |  |  | (3,659) |  |  | (3,659) | 11,041 | 0 |  | 0 | 0 |  | 0
Balance at Dec. 31, 2016 | 3,047,213 |  | 4,839,281 | $ 750,497 |  | 990,659 | (1,783) |  |  | 1,690,123 |  | 3,650,490 | 2,821,091 | 226,122 | 218,450 |  | 162,744 | 269 | 198,132 | 791
Balance (in shares) at Dec. 31, 2016 |  |  |  | 253,715,190 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net profit (loss) | 64,435 | (175,454) | 349,881 | $ 0 | 0 | 0 | 0 | 0 |  | 60,823 | (175,454) | 349,881 | 60,823 | 3,612 | 0 | 0 | 0 | 0 | 0 | 0
Other comprehensive profit (loss) | (19,286) | (3,244) |  | 0 | 0 |  | (12,105) | (3,244) |  | 0 | 0 |  | (12,105) | (7,181) | 0 | 0 | 0 | 0 |  | 0
Total other comprehensive income (loss) | 45,149 | (178,698) |  | 0 | 0 |  | (12,105) | (3,244) |  | 60,823 | (175,454) |  | 48,718 | (3,569) | 0 | 0 | 0 | 0 |  | 0
Treasury shares |  | (47,911) |  |  | 0 |  |  | 0 |  |  | 0 |  |  |  |  | (47,911) |  |  |  |
Dividends declared and paid, note 17(d) | (28,135) |  |  | 0 |  |  | 0 |  |  | (22,099) |  |  | (22,099) | (6,036) | 0 |  | 0 | 0 |  | 0
Expired dividends, note 17(c) | 327 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 327 | 0 | 0 |  | 327 | 0 |  | 0
Change in non-controlling interest, note 18(a) | (927) |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 0 | (927) | 0 |  | 0 | 0 |  | 0
Balance at Dec. 31, 2017 | 3,063,627 | 659,115 | 5,189,162 | $ 750,497 | 398,216 | 990,659 | (13,888) | (1,505) |  | 1,728,847 | 310,089 | 4,000,371 | 2,848,037 | 215,590 | 218,450 | (47,685) | 163,071 | 269 | 198,132 | 791
Balance (in shares) at Dec. 31, 2017 |  |  |  | 253,715,190 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net profit (loss) | (11,654) | (81,517) | 119,710 | $ 0 | 0 | 0 | 0 | 0 |  | (13,445) | (81,517) | 119,710 | (13,445) | 1,791 | 0 | 0 | 0 | 0 | 0 | 0
Other comprehensive profit (loss) | 22,601 | (91) |  | 0 | 0 |  | 13,185 | (91) |  | 0 | 0 |  | 13,185 | 9,416 | 0 | 0 | 0 | 0 |  | 0
Total other comprehensive income (loss) | 10,947 | (81,608) |  | 0 | 0 |  | 13,185 | (91) |  | (13,445) | (81,517) |  | (260) | 11,207 | 0 | 0 | 0 | 0 |  | 0
Proceeds from sale of shares, note 13 |  | 47,911 |  |  | 19,471 |  |  | 0 |  |  | 0 |  |  |  |  | 28,440 |  |  |  |
Treasury shares |  | 0 |  |  | (19,711) |  |  | 0 |  |  | 0 |  |  |  |  | 19,711 |  |  |  |
Dividends declared and paid, note 17(d) | (28,420) |  | (200,000) | 0 |  | 0 | 0 |  | $ 0 | (22,860) |  | (200,000) | (22,860) | (5,560) | 0 |  | 0 | 0 |  | 0
Change in investments, note 10(b) | (16,633) |  |  | 0 |  |  | 0 |  |  | (16,633) |  |  | (16,633) | 0 | 0 |  | 0 | 0 |  | 0
Expired dividends, note 17(c) | 44 |  |  | 0 |  |  | 0 |  |  | 0 |  |  | 44 | 0 | 0 |  | 44 | 0 |  | 0
Reclassification to debt instruments, note 13 |  | (41,695) |  |  | (19,471) |  |  | 0 |  |  | 0 |  |  |  |  | (22,224) |  |  |  |
Balance at Dec. 31, 2018 | $ 3,029,565 | $ 583,723 | $ 5,108,872 | $ 750,497 | $ 378,505 | $ 990,659 | $ (703) | $ (1,596) |  | $ 1,675,909 | $ 228,572 | $ 3,920,081 | $ 2,808,328 | $ 221,237 | $ 218,450 | $ (21,758) | $ 163,115 | $ 269 | $ 198,132 | $ 791
Balance (in shares) at Dec. 31, 2018 |  |  |  | 253,715,190 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition The amount of dividends expired. + References No definition available. + Details
Name: | cik0001013131_ExpiredDividends
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents of increase decrease change in investments + References No definition available. + Details
Name: | cik0001013131_IncreseDecreaseThroughChangesInInvestments
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of Reclassification To Debt Instrument. + References No definition available. + Details
Name: | cik0001013131_ReclassificationToDebtInstrument
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2018-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=1&date=2018-03-01&anchor=para_32_a_ii&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2018-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=1&date=2018-03-01&anchor=para_24_b&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause ix -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_ix&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_a&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 81A -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_81A_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 107 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_107&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DividendsPaid
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of residual interest in the assets of the entity after deducting all its liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2018-01-01 -Paragraph 24 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=1&date=2018-03-01&anchor=para_24_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2018-01-01 -Paragraph 32 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=1&date=2018-03-01&anchor=para_32_a_i&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2018-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_a&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2018-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_b&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2018-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_e&doctype=Standard -URIDate 2018-03-16 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_Equity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d_iii&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from treasury share transactions. [Refer: Equity; Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase in equity through the issue of equity instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d_iii&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IssueOfEquity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_iv&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d_ii&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause viii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_viii&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 81A -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_81A_b&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 91 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_91_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_OtherComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_18_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2018-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=1&date=2018-03-01&anchor=para_24_b&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2018-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=1&date=2018-03-01&anchor=para_32_a_ii&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_28_b&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Effective on first application of IFRS 9 -Name IFRS -Number 4 -IssueDate 2018-01-01 -Paragraph 39L -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=4&date=2018-03-02&anchor=para_39L_e&doctype=Standard&book=b -URIDate 2018-03-16 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_23&doctype=Standard -URIDate 2018-03-16 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d_i&doctype=Standard -URIDate 2018-03-16 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2021-01-01 -Name IFRS -Number 17 -IssueDate 2018-01-01 -Paragraph 113 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=17&date=2018-03-01&anchor=para_113_b&doctype=Standard -URIDate 2018-03-16 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_81A_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProfitLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration