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CONDENSED CONSOLIDATED STATEMENT OF EARNINGS (Parenthetical) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
CONDENSED CONSOLIDATED STATEMENT OF EARNINGS |  |
Royalty taxes | $ 25,641 | $ 3,933

X
- Definition Represents the amount of royalty taxes. + References No definition available. + Details
Name: | scco_RoyaltyTaxes
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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