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RESTRUCTURING PLAN: (Details) | 3 Months Ended
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Mar. 31, 2016 employee
RESTRUCTURING PLAN: |
Number of employees accepted severance package | 180

X
- Definition Represents information pertaining to number of employees accepted severance package. + References No definition available. + Details
Name: | scco_NumberOfEmployeesAcceptedSeverancePackage
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration