XML 37 R24.htm IDEA: XBRL DOCUMENT
v3.10.0.1

INCOME TAXES: (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
INCOME TAXES: |
Schedule of income tax provision and effective income tax rate | The income tax provision and the effective income tax rate for the first six months of 2018 and 2017 consisted of (in millions):
|  | 2018 |  | 2017 |
Statutory income tax provision |  | $ | 473.3 |  | $ | 289.1 |
GILTI tax |  | 8.4 |  | — |
Peruvian royalty |  | 4.4 |  | 0.4 |
Mexican royalty |  | 45.0 |  | 32.3 |
Peruvian special mining tax |  | 14.6 |  | 14.8 |
Total income tax provision |  | $ | 545.7 |  | $ | 336.6 |
Effective income tax rate |  | 38.3 | % | 35.7 | %

X
- Definition Disclosure of the income tax provision attributable to continuing operations and the effective income tax rate. + References No definition available. + Details
Name: | scco_ScheduleOfIncomeTaxProvisionAndEffectiveIncomeTaxRateTableTextBlock
Namespace Prefix: | scco_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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