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Trade and other receivables, net | 12 Months Ended
--- | ---
Dec. 31, 2017
Disclosure of Trade and other receivables, net [Line Items] |
Disclosure of trade and other receivables [text block] |
7. | Trade and other receivables, net
| (a) | This caption is made up as follows:
|  | 2017 |  | 2016 |
|  | US$(000) |  | US$(000) |
Trade receivables, net (b) |  |  |  |  |  |  |
Domestic clients |  |  | 102,119 |  |  | 89,811 |
Foreign clients |  |  | 119,388 |  |  | 77,254 |
Related entities, note 29(b) |  |  | 7,348 |  |  | 7,760 |
|  |  | 228,855 |  |  | 174,825 |
Allowance for doubtful accounts (f) |  |  | (22,823) |  |  | (22,644) |
|  |  | 206,032 |  |  | 152,181 |
Other receivables |  |  |  |  |  |  |
Value added tax credit |  |  | 74,785 |  |  | 96,204 |
Accounts payables to third parties |  |  | 27,406 |  |  | 26,705 |
Refund applications of value added tax (c) |  |  | 18,450 |  |  | 17,037 |
Tax deposits (d) |  |  | 9,733 |  |  | 13,479 |
Due from for sales of assets, note 16(e) |  |  | 5,371 |  |  | 5,204 |
Claims to third parties |  |  | 3,851 |  |  | 113 |
Claims to tax authority |  |  | 2,752 |  |  | 2,492 |
Restricted bank accounts (e) |  |  | 2,372 |  |  | 2,087 |
Accounts receivable from hedge instruments |  |  | 2,300 |  |  | - |
Advances to suppliers |  |  | 1,977 |  |  | 908 |
Related entities, note 29(b) |  |  | 732 |  |  | 126,669 |
Other minors |  |  | 4,675 |  |  | 1,021 |
|  |  | 154,404 |  |  | 291,919 |
Allowance for doubtful accounts (f) |  |  | (9,361) |  |  | (8,963) |
|  |  | 145,043 |  |  | 282,956 |
Total trade and other receivables, net |  |  | 351,075 |  |  | 435,137 |
Classification by maturity: |  |  |  |  |  |  |
Current portion |  |  | 306,884 |  |  | 269,089 |
Non-current portion |  |  | 44,191 |  |  | 166,048 |
Total trade and other receivables, net |  |  | 351,075 |  |  | 435,137 |
Classification by nature: |  |  |  |  |  |  |
Financial receivables |  |  | 255,088 |  |  | 319,454 |
Non-financial receivables |  |  | 95,987 |  |  | 115,683 |
Total trade and other receivables, net |  |  | 351,075 |  |  | 435,137 |
| (b) | Trade accounts receivable are denominated in U.S. dollars, are neither due nor impaired, do not yield interest and have no specific guarantees.
| (c) | This item mainly corresponds current year applications pending to be refunded as of December 31, 2017. In November 2013, Buenaventura filed claims procedures by S/19,500,000 (equivalent to US$5,817,000), in connection with undue offsets made by the Tax Authorities against tax debts of prior years. As of December 31, 2017, the resolution of the appeal process related to the S/19,500,000 claim is pending.
In the opinion of the Management and Group’s legal advisors, the tax offset made by the Tax Authorities have no legal support, so there are enough arguments to obtain a favorable outcome in the claim process initiated by Buenaventura.
| (d) | Corresponds to deposits held in the Peruvian State bank which only can be used to offset tax obligations that companies have with the Tax Authorities.
| (e) | These balances correspond to restricted bank accounts for payment of financial obligations held by the subsidiary Empresa de Generación Huanza S.A. (hereafter “Huanza”), according to the finance lease signed with Banco de Crédito del Perú in 2009.
| (f) | Below is presented the movement in the allowance for doubtful accounts:
|  | 2017 |  | 2016 |  | 2015 |
|  | US$(000) |  | US$(000) |  | US$(000) |
Beginning balance |  |  | 31,607 |  |  | 26,520 |  |  | 25,636 |
Provision of the period, note 24 |  |  | 676 |  |  | 5,087 |  |  | 903 |
Reversals of the period |  |  | (99) |  |  | - |  |  | (19) |
Final balance |  |  | 32,184 |  |  | 31,607 |  |  | 26,520 |
Trade receivables |  |  | 22,823 |  |  | 22,644 |  |  | 21,741 |
Other receivables |  |  | 9,361 |  |  | 8,963 |  |  | 4,779 |
|  |  | 32,184 |  |  | 31,607 |  |  | 26,520 |
In the opinion of the Group’s Management, the balance of the provision for doubtful accounts is sufficient to cover adequately the risks of failure to date of the consolidated statement of financial position.
Minera Yanacocha SRL and subsidiary [Member] |
Disclosure of Trade and other receivables, net [Line Items] |
Disclosure of trade and other receivables [text block] |
6. | Trade and other receivables, net
| (a) | This caption is made up as follows:
|  | 2017 |  | 2016 |
|  | US$(000) |  | US$(000) |
Trade receivables, net |  |  |  |  |  |  |
Foreign clients |  |  | 1,032 |  |  | 9,965 |
Other receivables |  |  |  |  |  |  |
Advances to suppliers |  |  | 20,724 |  |  | 18,024 |
Tax claims |  |  | 10,211 |  |  | 6,955 |
Credit of tax on net assets |  |  | 11,520 |  |  | - |
Other |  |  | 4,032 |  |  | 6,623 |
Related entities, note 21(b) |  |  | 2,185 |  |  | 815 |
|  |  | 48,672 |  |  | 32,417 |
Allowance for doubtful accounts (b) |  |  | (1,384) |  |  | (1,407) |
|  |  | 47,288 |  |  | 31,010 |
Total trade and other receivables, net |  |  | 48,320 |  |  | 40,975 |
By maturity: |  |  |  |  |  |  |
Current |  |  | 36,800 |  |  | 40,975 |
Non Current |  |  | 11,520 |  |  | - |
Total |  |  | 48,320 |  |  | 40,975 |
There are no trade receivables that are due at December 31, 2017 and 2016.
| (b) | The allowance for doubtful accounts had the following movement during the years 2017, 2016 and 2015:
|  | 2017 |  | 2016 |  | 2015 |
|  | US$(000) |  | US$(000) |  | US$(000) |
Opening balance |  |  | 1,407 |  |  | 1,444 |  |  | 1,788 |
Additions |  |  | - |  |  | - |  |  | 88 |
Deductions |  |  | (23) |  |  | (37) |  |  | (432) |
Ending balance |  |  | 1,384 |  |  | 1,407 |  |  | 1,444 |
In Company’s Management opinion, the allowance for doubtful accounts balance is sufficient to adequately cover the risks of failure as of the date of the consolidated statement of financial position.
Sociedad Minera Cerro Verde S.A.A. [Member] |
Disclosure of Trade and other receivables, net [Line Items] |
Disclosure of trade and other receivables [text block] |
5. | Other accounts receivable
This item is made up as follows:
|  | December 31, |  | December 31, |
|  | 2017 |  | 2016 |
|  | US$(000) |  | US$(000) |
Embedded derivatives (Note 22) |  |  | 68,736 |  |  | 67,449 |
CASE and SISE contributions refund (a) |  |  | 6,474 |  |  | - |
Other |  |  | 1,656 |  |  | 2,594 |
|  |  | 76,866 |  |  | 70,043 |
| (a) | Corresponds to the energy and fuel invoice payments made for the years 2015 and 2016 related to the Charge for Energy Security Consolidation (CASE) and the Charge for Energy Security on Hydrocarbons System (SISE). Law N°30543, passed on March 02, 2017, establishes the elimination and refund of these payments.

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