XML 22 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

INCOME TAXES: (Details) (USD $) | 3 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 Peruvian operations | Sep. 30, 2013 Peruvian operations | Sep. 30, 2014 Peruvian operations Minimum | Sep. 30, 2014 Peruvian operations Maximum | Jan. 31, 2014 Mexican Operations | Sep. 30, 2014 Mexican Operations
INCOME TAXES: |  |  |  |  |  |  |  |  |  |
Income tax provision | $ 173,949,000 | $ 197,885,000 | $ 603,880,000 | $ 604,634,000 |  |  |  |  |  |
Effective income tax rate (as a percent) |  |  | 38.30% | 33.50% |  |  |  |  |  |
Increase in effective tax rate (as a percent) |  |  | 4.00% |  |  |  |  |  |  |
Effect on tax rate (as a percent) |  |  | 0.80% |  |  |  |  |  |  |
Components of the income tax provision |  |  |  |  |  |  |  |  |  |
Statutory income tax provision |  |  | 504,100,000 | 568,300,000 |  |  |  |  |  |
Royalty |  |  |  |  | 6,600,000 | 7,700,000 |  |  |  |
Special mining tax |  |  |  |  | 28,300,000 | 28,600,000 |  |  |  |
Total income tax provision | 173,949,000 | 197,885,000 | 603,880,000 | 604,634,000 |  |  |  |  |  |
Mining royalty tax (as a percent) |  |  |  |  |  |  | 1.00% | 12.00% | 7.50% |
Royalty charge assessed as a percentage of net sales |  |  |  |  |  |  | 1.00% |  |  |
Operating income margin for royalty tax (as a percent) |  |  |  |  |  |  |  | 10.00% |  |
Increment in operating income margin for royalty tax (as a percent) |  |  |  |  |  |  | 5.00% | 12.00% |  |
Increase in royalty tax rate for each 5% increase up to 12% increase in operating income margin (as a percent) |  |  |  |  | 0.75% |  |  |  |  |
Royalty charge |  |  |  |  | 25,500,000 | 26,900,000 |  |  |  |
Provision for royalty tax |  |  |  |  | 6,600,000 | 7,700,000 |  |  |  |
Provision for royalty tax |  |  |  |  |  |  |  |  |  | 64,900,000
Additional royalty tax over net sales from sales of gold, silver and platinum (as a percent) |  |  |  |  |  |  |  |  | 0.50% |
Special mine tax (as a percent) |  |  |  |  |  |  | 2.00% | 8.40% |  |
Operating income margin (as a percent) |  |  |  |  |  |  |  | 10.00% |  |
Increment in operating income margin (as a percent) |  |  |  |  |  |  | 5.00% | 85.00% |  |
Increase in special mining tax rate for each 5% increase up to 85% increase in operating income margin (as a percent) |  |  |  |  | 0.40% |  |  |  |  |
Accrued special mining tax |  |  |  |  | 28,300,000 | 28,600,000 |  |  |  |
Changes in the entity's uncertain tax positions | $ 0 |  | $ 0 |  |  |  |  |  |  |

X
- Definition Represents the percentage of increase (decrease) in the current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References No definition available. + Details
Name: | scco_EffectiveIncomeTaxRateIncreaseDecrease
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of effect on tax rate. + References No definition available. + Details
Name: | scco_EffectOnTaxRate
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of mining royalty in excess over the 1% of net sales. + References No definition available. + Details
Name: | scco_MiningRoyaltyTax
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the royalty charge assessed as a percentage of net sales. + References No definition available. + Details
Name: | scco_MiningRoyaltyTaxAssessedAsPercentageOfNetSales
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the royalty tax based on Mexican taxable EBITDA. + References No definition available. + Details
Name: | scco_MiningRoyaltyTaxes
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the increase over the threshold percentage of operating income margin. + References No definition available. + Details
Name: | scco_OperatingIncomeMarginIncreaseOverThresholdPercentage
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the increase over the threshold percentage of operating income margin for determining royalty charge. + References No definition available. + Details
Name: | scco_OperatingIncomeMarginIncreaseOverThresholdPercentageForRoyaltyTax
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the threshold percentage of operating income margin for determining special mining tax. + References No definition available. + Details
Name: | scco_OperatingIncomeMarginThresholdPercentage
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the threshold percentage of operating income margin for determining royalty charge. + References No definition available. + Details
Name: | scco_OperatingIncomeMarginThresholdPercentageForRoyaltyTax
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the increase in royalty tax rate for each 5 percent increase up to 12 percent increase in the operating income margin. + References No definition available. + Details
Name: | scco_PercentageIncreaseInRoyaltyTaxAtEach5PercentIncreaseInOperatingIncomeMarginThresholdPercentageUpto12Percent
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the increase in special mining tax rate for each 5 percent increase up to 85 percent increase in the operating income margin. + References No definition available. + Details
Name: | scco_PercentageIncreaseInSpecialMiningTaxAtEach5PercentIncreaseInOperatingIncomeMarginThresholdPercentageUpto85Percent
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of additional royalty tax over net sales from sales of gold, silver and platinum under the tax reform. + References No definition available. + Details
Name: | scco_PercentageOfAdditionalRoyaltyTaxOverNetSalesFromSalesOfGoldSilverAndPlatinum
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of mining royalty tax based on the law. + References No definition available. + Details
Name: | scco_PercentageOfMiningRoyaltyTax
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of special mining tax based on operating income margins. + References No definition available. + Details
Name: | scco_PercentageOfSpecialMiningTax
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the total mining royalty tax compute based on operating income or the 1% of net sales, the highest. + References No definition available. + Details
Name: | scco_RoyaltyExpenses
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the special mining tax based on operating income. + References No definition available. + Details
Name: | scco_SpecialMiningTax
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount accrued for the special mining tax during the period. + References No definition available. + Details
Name: | scco_SpecialMiningTaxAccrued
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: 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.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32672-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 3: 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.(h)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1 -Article 4 + Details
Name: | us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + 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.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net amount of all increases and decreases in unrecognized tax benefits for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration