XML 59 R46.htm IDEA: XBRL DOCUMENT
v3.10.0.1

COMMITMENTS AND CONTINGENCIES: - Others (Details) S/ in Millions, $ in Millions | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) T | May 31, 2016 MW | Jul. 31, 2014 MW | Jun. 30, 2014 MW | Jun. 30, 2018 PEN (S/) item m km T | Jun. 30, 2018 USD ($) item m km T | Dec. 31, 2017 USD ($)
Other commitments: |  |  |  |  |  |  |
Commitment for capital projects |  |  |  |  |  | $ 1,453.2 |
Amount accrued for project to evaluate the next 3 to 5 years | $ 54.8 |  |  |  |  | 54.8 | $ 37.2
Tia Maria | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Project budget |  |  |  |  |  | 1,400.0 |
Amount spend as of the current date | 356.8 |  |  |  |  | $ 356.8 |
Annual production ( in tons) | T |  |  |  |  | 120,000 | 120,000 |
Distance of sea water transportation | km |  |  |  |  | 25 | 25 |
Height above sea level of the desalinization plant | m |  |  |  |  | 1,000 | 1,000 |
Additional investment in desalinization plant |  |  |  |  |  | $ 95.0 |
Number of jobs expected to be generated | item |  |  |  |  | 3,600 | 3,600 |
Number of workers expected to be directly employed | item |  |  |  |  | 600 | 600 |
Number of workers expected to be indirectly employed | item |  |  |  |  | 4,200 | 4,200 |
Term life of environmental project (in years) |  |  |  |  | 20 years | 20 years |
Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Project budget |  |  |  |  |  | $ 1,300.0 |
Amount spend as of the current date | $ 1,042.3 |  |  |  |  | $ 1,042.3 |
Percentage of Work Completed (in percentage) |  |  |  |  | 95.00% | 95.00% |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  | S/ 445.0 | $ 132.0 |
Development Fund Moquegua Region | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  | S/ 700.0 | 209.0 |
Copper | Michiquillay | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Annual production ( in tons) | T | 225,000 |  |  |  |  |  |
Contingent contractual obligation | $ 400.0 |  |  |  |  | 400.0 |
Estimated mineralized material (in tons) | T | 1,150,000,000 |  |  |  |  |  |
Copper grade percentage | 0.63% |  |  |  |  |  |
Initial mine life | 25 years |  |  |  |  |  |
Contractual obligation paid on project | $ 12.5 |  |  |  |  |  |
Amount accrued for project to evaluate the next 3 to 5 years | 12.5 |  |  |  |  | 12.5 |
Remaining amount to pay if project is developed | $ 375.0 |  |  |  |  | $ 375.0 |
Copper | Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Estimated increase in annual production (in tons) | T |  |  |  |  | 100,000 | 100,000 |
Molybdenum | Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Estimated increase in annual production (in tons) | T |  |  |  |  | 3,100 | 3,100 |
Educational Project | Development Fund Moquegua Region | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  | S/ 108.5 | $ 32.0 |
Water Treatment | Development Fund Moquegua Region | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  | 48.4 | 14.0 |
Social Investment For Taxes | Development Fund Moquegua Region | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  | S/ 143.0 | $ 43.0 |
Electroperu S.A | Power purchase agreements | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Term of power purchase agreement related to sale of power plant |  |  |  | 20 years |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW |  |  |  | 120 |  |  |
Kallpa | Power purchase agreements | Peru |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Term of power purchase agreement related to sale of power plant |  | 10 years | 10 years |  |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW |  |  | 120 |  |  |  |
Kallpa | Power purchase agreements | Peru | Maximum |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW |  | 80 |  |  |  |  |

X
- Definition The amount of additional investment required for the construction of the desalinization plant. + References No definition available. + Details
Name: | scco_AdditionalInvestmentConstructionOfDesalinizationPlant
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount committed to funding for social and infrastructure improvement projects + References No definition available. + Details
Name: | scco_AmountCommittedForFundingSocialAndInfrastructureImprovementProjects
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount spend as of the current date. + References No definition available. + Details
Name: | scco_AmountSpendAsOfCurrentDate
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the annual production in volume during the period. + References No definition available. + Details
Name: | scco_AnnualProduction
Namespace Prefix: | scco_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Represents the amount committed for the development of capital investment programs at its corporate operations. + References No definition available. + Details
Name: | scco_CommitmentsForCapitalProjects
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of contingent contractual obligation on total project. + References No definition available. + Details
Name: | scco_ContingentContractualObligation
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual obligation paid on project. + References No definition available. + Details
Name: | scco_ContractualObligationPaid
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the distance of transportation of sea water used for the environmental project site. + References No definition available. + Details
Name: | scco_DistanceOfSeaWaterTransportation
Namespace Prefix: | scco_
Data Type: | num:lengthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the estimated increase in annual production. + References No definition available. + Details
Name: | scco_EstimatedIncreaseInAnnualProduction
Namespace Prefix: | scco_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the height above sea level of the desalinization plant. + References No definition available. + Details
Name: | scco_HeightAboveSeaLevelOfDesalinizationPlant
Namespace Prefix: | scco_
Data Type: | num:lengthItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum initial term of mine, , in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | scco_MinimumInitialTermOfMine
Namespace Prefix: | scco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of jobs expected to be generated during the construction phase of the environmental project. + References No definition available. + Details
Name: | scco_NumberOfJobsExpectedToBeGenerated
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of workers directly expected to be employed during the operation of the environmental project. + References No definition available. + Details
Name: | scco_NumberOfWorkersExpectedToBeDirectlyEmployed
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of workers indirectly expected to be employed during the operation of the environmental project. + References No definition available. + Details
Name: | scco_NumberOfWorkersExpectedToBeIndirectlyEmployed
Namespace Prefix: | scco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of copper grade. + References No definition available. + Details
Name: | scco_PercentageOfCopperGrade
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of work completed + References No definition available. + Details
Name: | scco_PercentageOfWorkCompleted
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the power capacity agreed to be purchased under the power purchase agreement. + References No definition available. + Details
Name: | scco_PowerPurchaseAgreementContractualPowerCapacity
Namespace Prefix: | scco_
Data Type: | num:powerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the original term (in years) of the power purchase agreement completed in connection with the sale of a power plant to an independent power company. + References No definition available. + Details
Name: | scco_PowerPurchaseAgreementTerm
Namespace Prefix: | scco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Remaining amount to be paid on contingent contractual obligation if project is developed. + References No definition available. + Details
Name: | scco_RemainingContractualObligationIfProjectDeveloped
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the term life of the environmental project and the other project related services. + References No definition available. + Details
Name: | scco_TermOfEnvironmentalProject
Namespace Prefix: | scco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the total mineral resources in volume during the period. + References No definition available. + Details
Name: | scco_TotalMineralResources
Namespace Prefix: | scco_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | scco_SiteAxis=scco_TiaMariaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_PE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | scco_SiteAxis=scco_ToquepalaConcentratorExpansionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | scco_SiteAxis=scco_DevelopmentFundMoqueguaRegionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=scco_CopperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | scco_SiteAxis=scco_MichiquillayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=scco_MolybdenumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=scco_EducationalProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=scco_WaterTreatmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=scco_SocialInvestmentForTaxesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=scco_ElectroperuSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=scco_PowerPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=scco_KallpaGeneracionSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |