XML 22 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.6

RELATED PARTY TRANSACTIONS: (Details) (USD $) | 3 Months Ended | 6 Months Ended |  | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 6 Months Ended |  | 6 Months Ended |  | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 6 Months Ended | 12 Months Ended | 6 Months Ended |  | 6 Months Ended |  | 6 Months Ended |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011 | Jun. 30, 2012 Grupo Mexico, S.A.B de C.V. ( Grupo Mexico ) and affiliates Item | Dec. 31, 2011 Grupo Mexico, S.A.B de C.V. ( Grupo Mexico ) and affiliates | Jun. 30, 2012 Asarco LLC ("Asarco") | Jun. 30, 2011 Asarco LLC ("Asarco") | Jun. 30, 2012 Asarco LLC ("Asarco") | Jun. 30, 2011 Asarco LLC ("Asarco") | Dec. 31, 2011 Asarco LLC ("Asarco") | Jun. 30, 2012 Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates | Jun. 30, 2011 Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates | Dec. 31, 2011 Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates | Jun. 30, 2012 Higher Technology S.A.C. | Jun. 30, 2011 Higher Technology S.A.C. | Dec. 31, 2011 Higher Technology S.A.C. | Jun. 30, 2012 Servicios y Fabricaciones Mecanicas S.A.C. | Jun. 30, 2011 Servicios y Fabricaciones Mecanicas S.A.C. | Jun. 30, 2011 Sempertrans France Belting Technology | Jun. 30, 2012 PIGOBA, S.A. de C.V. | Jun. 30, 2011 PIGOBA, S.A. de C.V. | Jun. 30, 2012 Breaker, S.A. de C.V | Jun. 30, 2011 Breaker, S.A. de C.V | Dec. 31, 2011 Breaker, S.A. de C.V | Dec. 31, 2011 Exploraciones Mineras del Peru S.A.C. | Jun. 30, 2012 Mexico Transportes Aereos S.A de C.V. ("Mextransport") | Jun. 30, 2012 Mexico Transportes Aereos S.A de C.V. ("Mextransport") | Jun. 30, 2011 Mexico Transportes Aereos S.A de C.V. ("Mextransport") | Dec. 31, 2011 Mexico Transportes Aereos S.A de C.V. ("Mextransport") | Jun. 30, 2012 Mexico Transportes Aereos S.A de C.V. ("Mextransport") Mexican subsidiaries loan | Dec. 31, 2007 Mexico Transportes Aereos S.A de C.V. ("Mextransport") Mexican subsidiaries loan | Jun. 30, 2011 Mexico Compania de Productos Automotrices, S.A. de C.V. | Jun. 30, 2012 Ferrocarril Mexicano, S.A. de C.V. | Jun. 30, 2011 Ferrocarril Mexicano, S.A. de C.V. | Dec. 31, 2011 Ferrocarril Mexicano, S.A. de C.V. | Jun. 30, 2012 Grupo Mexico Servicios S.A de C.V | Jun. 30, 2011 Grupo Mexico Servicios S.A de C.V | Jun. 30, 2012 Compania Perforadora Mexico S.A.P.I. de C.V and affiliates | Jun. 30, 2011 Compania Perforadora Mexico S.A.P.I. de C.V and affiliates | Dec. 31, 2011 Compania Perforadora Mexico S.A.P.I. de C.V and affiliates | Jun. 30, 2011 Consorcio Tricobre | Jun. 30, 2012 Exploraciones Mineras del Peru S.A.C. / Grupo Mexico Servicios de Ingenieria S.A. de C.V. | Jun. 30, 2012 Exploraciones Mineras del Peru S.A.C. / Mexico Proyectos y Desarrollos, S.A. de C.V. | Jun. 30, 2012 Exploraciones Mineras del Peru S.A.C. / Mexico Proyectos y Desarrollos, S.A. de C.V.
Related party transactions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Affiliate receivable | $ 2,455,000 |  | $ 2,455,000 |  | $ 1,988,000 | $ 800,000 | $ 700,000 |  |  |  |  | $ 200,000 | $ 1,300,000 |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000 |  | $ 100,000 |  |  |  |
Affiliate payable | 7,600,000 |  | 7,600,000 |  | 4,400,000 | 4,500,000 | 2,000,000 | 1,000,000 |  | 1,000,000 |  |  |  |  |  | 500,000 |  | 100,000 |  |  |  |  |  | 200,000 |  | 200,000 | 300,000 | 400,000 | 400,000 |  | 500,000 |  |  |  | 1,000,000 |  | 1,300,000 |  |  |  |  |  |  |  |  |
Total purchases from related parties |  |  | 61,000,000 | 41,400,000 |  |  |  |  |  | 16,400,000 | 7,700,000 |  | 24,800,000 | 15,900,000 |  | 1,500,000 | 900,000 |  | 100,000 | 200,000 | 200,000 | 100,000 | 100,000 | 1,200,000 | 2,900,000 |  |  |  | 1,500,000 | 1,300,000 |  |  |  | 200,000 | 7,400,000 | 4,100,000 |  | 6,900,000 | 7,000,000 | 1,100,000 | 400,000 |  | 500,000 |  |  |
Number of subsidiaries involved in Mexican operations |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.97% | 0.03% | 0.03%
Number of loans guaranteed by subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of loans repaid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original loan balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis of variable interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Libor |  |  |  |  |  |  |  |  |  |  |  |  |  |
Spread on variable interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.15% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining balance at June 30, 2012 | 2,741,000,000 |  | 2,741,000,000 |  | 2,745,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales and other revenues from related parties | $ 600,000 | $ 34,600,000 | $ 12,400,000 | $ 52,500,000 |  |  |  | $ 400,000 | $ 34,600,000 | $ 11,400,000 | $ 52,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 | $ 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 | $ 200,000

X
- Definition Represents the number of loans repaid during the period. + References No definition available. + Details
Name: | scco_DebtInstrumentNumberOfLoansRepaid
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of Subsidiaries. + References No definition available. + Details
Name: | scco_NumberOfSubsidiaries
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of loans obtained by related parties and guaranteed by the entity's subsidiaries. + References No definition available. + Details
Name: | scco_RelatedPartyTransactionsNumberOfLoansGuaranteed
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 4 -Section 08 -Paragraph k -Subparagraph 2 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 + Details
Name: | us-gaap_DueFromRelatedPartiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 4 -Section 08 -Paragraph k -Subparagraph 1 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_DueToRelatedPartiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 7 -Section 03 -Paragraph 16 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Expenses recognized during the period resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenues, net of returns and allowances, realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration