XML 43 R30.htm IDEA: XBRL DOCUMENT
v3.5.0.2

COMMITMENTS AND CONTINGENCIES: (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
COMMITMENTS AND CONTINGENCIES: |
Schedule of environmental capital investments | Environmental capital investments in the nine months ended September 30, 2016 and 2015 were as follows ($ in millions):
|  | 2016 |  | 2015 |
Peruvian operations |  | $ | 58.7 |  | $ | 60.8 |
Mexican operations |  | 101.2 |  | 15.4 |
|  | $ | 159.9 |  | $ | 76.2 |

X
- Definition Tabular disclosure of environmental capital expenditures incurred during the period. + References No definition available. + Details
Name: | scco_ScheduleOfEnvironmentalCapitalExpendituresTableTextBlock
Namespace Prefix: | scco_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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