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PROVISIONALLY PRICED SALES: (Details) | Mar. 31, 2013 lb
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Copper | April 2013 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 8,800,000
Provisional price | 3.41
Molybdenum | April through June 2013 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 9,300,000
Provisional price | 10.85

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- Definition Aggregate notional amount of provisionally priced sales agreements with notional amounts expressed in nonmonetary units. + References No definition available. + Details
Name: | scco_NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | scco_ProvisionallyPricedSalesLineItems
Namespace Prefix: | scco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The per unit price of provisionally priced sales agreements. + References No definition available. + Details
Name: | scco_ProvisionalPriceOfSalesAgreementsPerUnit
Namespace Prefix: | scco_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant