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PROVISIONALLY PRICED SALES: (Details) | Mar. 31, 2012 priceperunit lbs
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Copper |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 15,600,000
Provisional price | 3.84
Copper | April 2012 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 14,100,000
Provisional price | 3.84
Copper | May 2012 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 1,500,000
Provisional price | 3.83
Molybdenum |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 9,000,000
Provisional price | 14.00
Molybdenum | April 2012 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 3,300,000
Provisional price | 14.00
Molybdenum | May 2012 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 3,300,000
Provisional price | 14.00
Molybdenum | June 2012 |
Provisionally priced sales |
Nonmonetary notional amount of commodity (in million lbs.) | 2,400,000
Provisional price | 14.00

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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
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Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
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- Details
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Namespace Prefix: | scco_
Data Type: | xbrli:stringItemType
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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