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STOCKHOLDERS' EQUITY: (Details 3) (Employee Stock Purchase Plan) | 3 Months Ended
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Mar. 31, 2014
Employee Stock Purchase Plan |
Share based compensation |
Percentage of title acquired by employee in every two years on shares paid in previous two years | 50.00%
Period of plan | 8 years
Ratio of bonus shares granted to participant | 0.1

X
- Definition Represents the percentage of title acquired by the employee in every two years on shares paid in previous two years. + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the ratio of bonus granted to the participant upon meeting the eligibility period of the share based compensation plan. + References No definition available. + Details
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Namespace Prefix: | scco_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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Period Type: | duration