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RESTRUCTURING PLAN: (Details)	6 Months Ended
	Jun. 30, 2016 employee
RESTRUCTURING PLAN:
Number of employees accepted severance package	223

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- Definition

Represents information pertaining to number of employees accepted severance package.

+ References

No definition available.

+ Details

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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