SCCO


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted
us-gaap:PlanName
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfRevenue
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementGeographical
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementGeographical
us-gaap:SubsegmentsConsolidationItems

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Goodwill
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:ProfitLoss

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxAssetsNet
dei:LegalEntity

us-gaap:UnrecognizedTaxBenefits
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsValuationAllowance
scco:Site, us-gaap:StatementGeographical
scco:AmountCommittedForFundingSocialAndInfrastructureImprovementProjects
scco:Site, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement
scco:Site, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement
scco:AmountPaidOutForFundingUnderFinalAgreementForCandaraveProvince

scco:AvailableForSaleSecuritiesWeightedAverageInterestRate

scco:CapitalizationOfDebtIssuanceCost
scco:Site, us-gaap:StatementGeographical
scco:CommitmentLiability

scco:CommitmentsForCapitalProjects

scco:CopperPriceAssumption

scco:CurrentAndRoyaltyTaxes
us-gaap:RelatedPartyTransactionsByRelatedParty
scco:DonationsPaid

scco:IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeIncomeLossFromEquityMethodInvestments

scco:InventoryOreStockpilesOnLeachPadsCapitalizedCosts

scco:InventoryOreStockpilesOnLeachPadsRecognizedAsCostOfSales
us-gaap:ProductOrService
scco:LongTermSupplyCommitment

scco:MaximumPercentageOfAnnualGuaranteesSecured

scco:MiningRoyaltyTaxMexico
us-gaap:StatementGeographical

scco:MiningRoyaltyTaxPeru
us-gaap:StatementGeographical

scco:MolybdenumPriceAssumption
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency
scco:PercentageOfAnnualIncreaseInSalary

scco:PercentageOfGuaranteeForPledgedOfficeComplex

scco:PercentageOfOperatingOverProductionCapacity

scco:PercentageOfSecurityForStandByLetterOfCredit
us-gaap:StatementGeographical
scco:PercentageOfWorkforceNotWorkingDueToPandemic
us-gaap:StatementGeographical
scco:PercentageWorkforceWorkingOnSiteUnderStrictSafetyMeasures
scco:Site, us-gaap:StatementGeographical
scco:ProjectBudgetAmount
scco:Site, us-gaap:StatementGeographical
scco:RehabilitationOfMineTotalExpense
us-gaap:Range
scco:RelatedPartyTransactionMaterialAffiliateTransactionThresholdAggregateConsiderationToBeAuthorizedByGeneralCounselAndCFO
us-gaap:RelatedPartyTransactionsByRelatedParty
scco:RelatedPartyTransactionsPercentageOfPowerSupplyToThirdPartyEnergyUsers
us-gaap:StatementGeographical, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementGeographical
scco:RoyaltyExpenses
us-gaap:PlanName
scco:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfTitleAcquiredByEmployeeEveryTwoYearsOnSharesPaidInPreviousTwoYears

scco:SpecialMiningTax
us-gaap:StatementGeographical
scco:SpecialMiningTaxAccrued

scco:TradingSecuritiesWeightedAverageInterestRate
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
scco:TreasuryStockValueOtherActivityIncludingDividendInterestAndCurrencyTranslationEffect
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
scco:TreasuryStockValueOtherActivityIncludingDividendInterestAndForeignCurrencyTransactionEffect
scco:Site
scco:WaterVolumeAtGuaymasBay

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:StatementEquityComponents
us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrumentPeriodicPayment

us-gaap:DebtSecuritiesTradingUnrealizedGainLoss
us-gaap:Range
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:Range, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStockCash

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EnvironmentalCostsRecognizedCapitalizedInPeriod
us-gaap:StatementGeographical
us-gaap:StatementGeographical
us-gaap:EnvironmentalCostsRecognizedRecoveryCreditedToExpense

us-gaap:ExplorationExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:InterestCostsCapitalizedAdjustment

us-gaap:InterestCostsIncurred

us-gaap:InterestIncomeDebtSecuritiesTradingOperating
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InterestIncomeRelatedParty

us-gaap:InvestmentIncomeInterest
us-gaap:Range
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LaborAndRelatedExpense

us-gaap:OperatingLeaseExpense
us-gaap:IncomeStatementLocation
us-gaap:Range, us-gaap:IncomeStatementLocation

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromShortTermInvestments

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:PropertyPlantAndEquipmentAdditions
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:Range
us-gaap:ShortTermLeaseCost

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOther

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

scco:AccruedWorkersParticipation
scco:Site, us-gaap:StatementGeographical
scco:AmountSpendAsOfCurrentDate

scco:DebtDiscountValuation

scco:DeferredTaxAssetsCapitalizedExplorationExpenses

scco:DeferredTaxAssetsDeferredWorkersParticipation

scco:DeferredTaxAssetsProvisions

scco:DeferredTaxAssetsSalesPriceAdjustmentPui

scco:DeferredTaxAssetsSocialResponsibilityExpenses

scco:DeferredTaxAssetsTaxEffectOfPeruvianDeferredTaxLiability
us-gaap:RetirementPlanType
scco:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax
us-gaap:RetirementPlanType
scco:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax
us-gaap:RetirementPlanType
scco:DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearEight
us-gaap:RetirementPlanType
scco:DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearTen
us-gaap:RetirementPlanType
scco:DefinedBenefitPlanExpectedFutureBenefitPayments

scco:IncomeTaxExpectedToBePaid
us-gaap:IncomeTaxAuthority
scco:IncreaseInForeignTaxCredits

scco:InventoryOreStockpilesOnLeachPadsCurrent
scco:SettlementMonth, us-gaap:ProductOrService
scco:NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements

scco:OreReservesCopperPriceConsideredToDetermineAveragePrice
us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency
scco:PercentageOfLaborUnionized

scco:PercentageOfOwnershipByParent
scco:SettlementMonth, us-gaap:ProductOrService
scco:ProvisionalPriceOfSalesAgreementPerUnit
scco:SettlementMonth, us-gaap:ProductOrService
scco:ProvisionalPriceOfSalesAgreementsPerUnit
us-gaap:ProductOrService
scco:ProvisionalPriceSalesAdjustmentsInAccountsReceivable
us-gaap:ProductOrService
scco:ProvisionalPriceSalesAdjustmentsInAccountsReceivableAndNetSales
scco:Site, us-gaap:StatementGeographical
scco:RehabilitationOfMineBudgetedCost
scco:Site, us-gaap:ProductOrService, us-gaap:StatementGeographical
scco:RemainingContractualObligationIfProjectDeveloped

scco:StockRepurchaseProgramRepurchasePrice
us-gaap:IncomeTaxAuthority
scco:TaxCarryforwardNetOfUnrecognizedTaxBenefit
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedPartiesNoncurrent
us-gaap:RetirementPlanType
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashCashEquivalentsAndShortTermInvestments
dei:LegalEntity
us-gaap:ConcentrationRiskByBenchmark
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:PlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:PlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:ConsolidatedEntities, us-gaap:PlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:PlanName, us-gaap:RetirementPlanType
us-gaap:PlanName, us-gaap:RetirementPlanType

us-gaap:DueFromRelatedPartiesCurrent
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementBusinessSegments

us-gaap:DueFromRelatedPartiesNoncurrent
us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueToRelatedPartiesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:InterestPayableCurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryOreStockpilesOnLeachPads

us-gaap:InventorySuppliesNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LongTermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherReceivables

us-gaap:PrepaidTaxes
us-gaap:ProductOrService, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:ProductOrService, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward

us-gaap:TradingSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:ConsolidatedEntities
us-gaap:TreasuryStockShares
us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Inventory Net
Current Assets
Other Assets Current
NonCurrent Assets
Finite Lived Intangible Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Other Liabilities Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Cash Paid
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Finished Goods Net Of Reserves

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████████████████8.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.846
us-gaap:CommonStockSharesIssued ▄▄▄▄▄▄▄▄▄884.6884.6884.6884.6884.6884.6884.6884.6884.6NA884.6NANANA884.6NANANANANA0.884596NANANA0.884596NANANA0.884596NANANA884.596086NANANA
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄2000.02000.02000.02000.02000.02000.02000.02000.02000.0NA2000.0NANANA2000.0NANANANANA2.0NANANA2.0NANANA2.0NANANA2000.0NANANA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted ▄▄773.1773.1NA773.1773.1773.1NA773.1773.0773.0NA773.0773.0773.0NA773.0773.0773.0798.168805.418NA829.216833.391833.792NA841.946845.0845.551NA848.419849.461849.978NANANANA
us-gaap:EarningsPerShareBasicAndDiluted █▇▆▆▄▄▄▅▅▅▄▅▅▅▁▅▄▄▄▄▅▄▄▄▅▄▅▅▅▄▆▆▅▆▆▅1.210.990.75999999999999980.650.340.280.40.50.520.50.380.480.530.61-0.380.520.390.410.370.350.430.390.40.390.480.410.440.590.630.260.660.730.640.790.770.56
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:MexicanIMMSAUnit█▄▇▆▁▅▃▂▃▃▃▂▇▇▇▁▄161.4124.3152.9140.9101.6134.5114.7106.7122.3121.1118.3107.3153.1149.2150.4103.5124.9NANANANANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:MexicanOpenPit█▇▄▄▂▂▂▂▂▃▁▂▃▃▃▂▁1632.21478.51260.31181.71016.7953.7954.8982.4954.61072.1951.0995.11061.11068.61097.41023.3899.8NA733.6664.2783.7750.8772.3648.0749.3640.3724.1862.6NANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:PeruvianOperations█▆▆▅▃▃▄▄▄▂▂▂▂▂▂▁▁1142.2955.8970.5836.2688.6658.3804.4789.0766.5580.1649.0638.5641.8642.9634.2565.7522.7NA562.3520.3595.8648.1627.6610.3692.7655.3596.1670.5NANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:MexicanIMMSAUnit█▄▇▆▁▅▃▂▃▃▃▂▇▇▇▁▄161.4124.3152.9140.9101.6134.5114.7106.7122.3121.1118.3107.3153.1149.2150.4103.5124.9NANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:MexicanOpenPit█▇▄▄▂▂▂▂▂▃▁▂▃▃▃▂▁1632.21478.51260.31181.71016.7953.7954.8982.4954.61072.1951.0995.11061.11068.61097.41023.3899.8NA733.6664.2783.7750.8772.3648.0749.3640.3724.1862.6NANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:PeruvianOperations█▆▆▅▃▃▄▄▄▂▂▂▂▂▂▁▁1142.2955.8970.5836.2688.6658.3804.4789.0766.5580.1649.0638.5641.8642.9634.2565.7522.7NA562.3520.3595.8648.1627.6610.3692.7655.3596.1670.5NANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:MexicanIMMSAUnit█▄▇▆▁▅▃▂▃▃▃▂▇▇▇▁▄161.4124.3152.9140.9101.6134.5114.7106.7122.3121.1118.3107.3153.1149.2150.4103.5124.9NANANANANANANANANANANANANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:MexicanOpenPit█▇▄▄▂▂▂▂▂▃▁▂▃▃▃▂▁1632.21478.51260.31181.71016.7953.7954.8982.4954.61072.1951.0995.11061.11068.61097.41023.3899.8NA733.6664.2783.7750.8772.3648.0749.3640.3724.1862.6NANANANANANANANA
 SG&A Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,scco:PeruvianOperations█▆▆▅▃▃▄▄▄▂▂▂▂▂▂▁▁1142.2955.8970.5836.2688.6658.3804.4789.0766.5580.1649.0638.5641.8642.9634.2565.7522.7NA562.3520.3595.8648.1627.6610.3692.7655.3596.1670.5NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
 TTM Greenblatt ROC _ _█▆▅▄▂▂▂▃▃▂▂▂▃▃▃▂▂▂▁▁▂▂▂▂▂▂▂▃▃▁▃▄▄▄▄▃1675.21351.61066.3999999999999943.9577.2533.3631.9713.8713.6693.7623.6696.7787.6773.3830.0692.6525.9570.4503.147436.937525.5547.136597.266562.927615.9580.891565.309770.05812.6447.774875.61972.909901.9962.091998.732762.725
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName scco:EmployeeStockPurchase2015Plan▁█▁█▁██▁▁██▁▁██▁▁█0.10.20.10.20.10.20.20.10.10.20.20.10.10.20.20.10.10.2NANANANANANANANANANANANANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName scco:EmployeeStockPurchase2018Plan▁▄▄▄▁▄▄█▁▁0.10.20.20.20.10.20.20.30.10.1NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▇▆▆▄▄▄▅▅▅▄▅▅▅▁▅▄▄▄▄▅▅▅▄▅▅▅▅▆▄▆▆▆▇▇▆932.7763.8591.8506.0259.5214.8297.9389.6402.4388.2290.3369.4409.6470.7-284.6401.8299.7314.4294.714282.43346.74324.383337.187323.237408.374344.221372.737495.392528.416217.866563.547615.961509.436740.577681.277543.925
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▇▅▄▂▂▂▃▄▁▂▂▃▂▂▁▁▁▂▂▂▃▂▂▂▂▂▃▂▂▃▄▄▅▄▄3.73.32.52.11.41.41.41.72.01.01.31.31.51.21.31.00.80.91.2991.2571.1651.4631.1291.2081.3111.3441.3681.6411.3981.3951.7892.1542.0122.3462.1551.949
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest NANA594.3508.1260.9216.2299.3391.3404.4389.2291.6370.7411.1471.9-283.3402.8300.5315.3296.013283.687347.905325.846338.316324.445409.685345.565374.105497.033529.814219.261565.336618.115511.448742.923683.432545.874
us-gaap:CostOfRevenue ▇▆█▆▇▆▇▆▅▄▅▄▅▅▄▃▄▄▂▂▃▃▂▁▃▁▂▂▂▁▁▂▁▂▂▃985.5943.81048.5948.9976.7955.8988.5906.5867.3844.1856.8824.0851.7876.5822.6781.5804.8843.8706.868679.822742.515729.505726.589641.894766.285666.037712.295726.682708.569670.861667.876721.927653.057677.258695.977736.86
us-gaap:CostsAndExpenses ▇▇█▇▇▇▇▆▆▅▅▅▅▅▅▄▄▄▃▂▃▃▃▁▃▁▂▂▂▆▁▂▁▁▁▂1221.81180.91284.31185.21208.21186.41222.81145.71104.41059.71071.11027.01049.61067.81034.3983.91003.91013.5879.776837.87945.741927.511890.146791.456919.349803.616844.914852.952838.4851104.605784.266833.027767.423783.815802.766839.294
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▆▄▄▁▁▂▂▂▂▂▂▃▃▃▂▁▁▁▁▂▂▂▂▂▂▂▃▃▁▄▄▄▄▄▃1579.01266.7976.9843.5488.4436.9515.8628.8657.0625.0542.0624.3718.7704.4743.6616.6457.3485.3450.4410.12493.892493.804558.289522.721574.122538.89535.77723.816755.078425.498853.289939.677850.839917.567962.054718.228
us-gaap:IncomeTaxExpenseBenefit ▅▄▃▃▂▂▂▂▂▂▂▂▂▂█▂▁▁▁▁▁▁▂▂▁▂▁▂▂▂▂▂▂▂▂▂647.7507.5389.7338.5224.4221.7215.3241.0251.1237.9249.9257.9309.1236.61036.8220.1160.3176.2157.042129.193150.749173.949225.769204.162172.38195.19166.806234.946232.328219.802309.973318.769311.812252.507301.935238.081
us-gaap:InterestIncomeExpenseNonoperatingNet ▂▂▂▂▂▁▂▄▄▅██▇▇▇▆▆▁-88.0-87.2-84.4-86.4-87.8-89.0-87.0-78.7-79.6-74.1-63.9-64.8-65.8-66.6-69.1-69.8-71.7-89.9NANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▇▅▄▂▂▂▃▄▁▂▂▃▂▂▁▁▁▂▂▂▃▂▂▂▂▂▃▃▂▃▄▄▄▄▃3.73.32.52.11.41.41.41.72.01.01.31.31.51.21.31.00.80.91.2991.2571.1651.4631.1291.2081.3111.3441.3681.6411.4241.3951.7892.1322.0552.0212.0821.771
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▇▆▆▄▄▄▅▅▅▄▅▅▅▁▅▄▄▄▄▅▅▅▅▅▅▅▅▆▄▆▆▆▆▆▅932.7763.8590.1506.0259.5214.8305.6389.6402.4388.2293.3369.4409.6470.7-287.4401.8299.7314.4294.714282.43348.0324.318337.252323.389406.2344.221372.737495.392531.8217.866563.547623.562539.0663.039660.1480.1
us-gaap:OperatingIncomeLoss █▆▅▄▂▂▂▃▃▂▂▂▃▃▃▂▂▂▁▁▂▂▂▂▂▂▂▃▃▁▃▄▄▄▄▃1675.21351.61066.3999999999999943.9577.2533.3631.9713.8713.6693.7623.6696.7787.6773.3830.0692.6525.9570.4503.147436.937525.5547.136597.266562.927615.9580.891565.309770.05812.6447.774875.61972.909901.9962.091998.732762.725
us-gaap:OtherNonoperatingIncomeExpense ▄▅▄▃▅▄▁▄█▆▃▄▄▅▃▄▅▆▅▄▄▂▄▄▅▅▇▅▄▅▅▅▄▅▅▅-8.22.3-5.1-14.0-1.0-7.4-29.0-6.323.05.4-17.6-7.6-3.1-2.3-17.3-6.23.14.8-1.605-3.764-8.334-22.522-5.779-4.206-2.4011.72416.9350.848-7.958-0.9080.4761.4-8.817-1.3740.3180.78
us-gaap:ProfitLoss █▇▆▆▄▄▄▅▅▅▄▅▅▅▁▅▄▄▄▄▅▅▅▄▅▅▅▅▆▄▆▆▆▆▆▅936.4767.1592.6508.1260.9216.2307.0391.3404.4389.2294.5370.7411.1471.9-286.2402.8300.5315.3296.013283.687349.2325.781338.381324.597407.5345.565374.105497.033533.2219.261565.336623.6539.1665.06660.119480.147
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▆▆▅▃▃▄▄▃▃▃▃▃▃▄▃▂▂▁▁▂▂▂▁▂▁▂▃▃▂▃▃▃▃▃▂2897.02532.52350.72129.11785.41719.71854.71859.51818.01753.41694.71723.71837.21841.11864.31676.51529.81583.91382.91274.81471.2581474.6471487.41354.41535.21384.51410.21623.01651.11552.41659.91805.91669.31745.91801.51602.0
us-gaap:Revenues █▆▆▅▃▃▄▄▃▃▃▃▃▃▄▃▂▂▁▁▂▂▂▁▂▁▂▃▃▂▃▃▃▃▃▂2897.02532.52350.72129.11785.41719.71854.71859.51818.01753.41694.71723.71837.21841.11864.31676.51529.81583.91382.91274.81471.2581474.6471487.41354.41535.21384.51410.21623.01651.11552.41659.91805.91669.31745.91801.51602.0
us-gaap:SellingGeneralAndAdministrativeExpense ▅▄▅▅▅▄█▅▄▄▃▃▃▂▂▂▁▁▂▂▃▃▂▂▃▂▃▂▃▂▂▂▄▂▃▂31.430.132.233.431.429.140.432.030.928.525.926.426.224.124.525.022.221.424.96324.86927.23426.28225.39824.49825.64624.10727.45225.37426.74623.75825.36225.43129.78124.37625.74424.572
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:Assets ██▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▅▃▄▄▄▃▃▃▃▃▃▃▁▁▁▁▁▁17695.417217.816946.516248.415805.016212.116407.416494.415344.615542.614484.814316.714045.914038.113780.113982.413515.313523.013348.61911247.90211551.9111537.10711507.93211264.74811210.42210935.67110654.2910776.86910383.74910841.7718373.0958493.8558062.7017999.587794.1458124.628
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▅▃▄▄▄▃▃▃▃▃▃▃▁▁▁▁▁▁17695.417217.816946.516248.415805.016212.116407.416494.415344.615542.614484.814316.714045.914038.113780.113982.413515.313523.013348.61911247.90211551.9111537.10711507.93211264.74811210.42210935.67110654.2910776.86910383.74910841.7718373.0958493.8558062.7017999.587794.1458124.628
us-gaap:StockholdersEquity █▇▇▆▆▆▆▆▆▆▆▆▆▅▅▆▅▅▄▄▄▄▅▄▄▄▃▃▂▆▂▂▁▁▁▁7917.57525.17224.87019.26821.56716.26810.36821.36740.36646.56567.46586.16525.76346.86107.76589.56292.36084.75807.4445636.4325804.465848.8515946.8825705.0595533.6625382.8265198.3995058.2624765.146577.1434553.3014472.1424015.3044109.3064000.6783942.211
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:AssetsCurrent █▇▇▆▅▅▅▅▃▃▃▄▃▄▃▃▂▃▅▁▂▃▄▄▄▄▅▆▆█▃▄▃▄▄▄5511.55036.34815.24337.83859.74139.74184.74177.63098.13182.43180.03273.23169.53317.23170.12952.42644.72773.83863.4562002.0382489.7892955.4873312.6523389.3783416.053730.2473874.9634360.2344287.9595289.5353071.6523406.5773101.5033331.1353271.5333668.844
us-gaap:CashAndCashEquivalentsAtCarryingValue █▇▇▇▆▇▆▆▃▃▃▃▄▄▄▃▃▃▅▁▂▄▅▅▆▆▆██▄▄▅▃▄▅▆2394.32267.32183.62145.41808.82051.61925.11935.2752.2737.0844.6967.31032.51068.21004.8798.5688.7698.71572.343192.138363.971034.1741335.3641473.1011672.6951795.2991939.6822462.352459.4881157.8051079.3711518.181848.1181243.1351453.8411973.297
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▇▇▇▆▇▆▆▁▁▂▂▂▃▂▁▁▁2394.32267.32183.62145.41808.82051.61925.11935.2752.2737.0844.6967.31032.51068.21004.8798.5688.7698.7NANANANANANANANANANANANANANANANANANA
us-gaap:ShortTermInvestments █▆▆▁▁▁▂▁▂▄▄▄▂▂▂▁▁▂█▂▅▄▅▄▄▅▆▃▃▆▆▄▇█▄▄545.8415.9410.830.730.740.780.71.7118.8213.5213.8236.550.756.550.530.540.252.7573.35383.82338.589207.986289.883273.01208.268363.464392.933204.488134.298379.702373.756227.261521.955535.753225.396220.71
us-gaap:AccountsReceivableNetCurrent █▇▅▅▄▃▄▄▃▄▄▃▃▄▄▄▂▂▁▁▂▁▂▁▁▁▁▂▂▁▂▃▃▂▃▂1435.61232.21068.9955.5854.0709.7832.9842.0787.1876.6822.4778.4813.2873.9890.6830.3620.1669.6481.119501.195540.245514.187583.143523.155533.226487.222470.835566.756669.333529.786618.601713.269695.104571.171767.235597.403
us-gaap:InventoryNet ▅▅▆▆▇████▇▇▇▇█▇▇▆▇▄▄▄▃▃▃▂▂▂▂▂▂▁▁▂▁▁▁893.9880.7950.2977.3980.41079.41068.51062.21068.61035.61032.71007.61003.51049.81041.9997.4975.4979.9826.468842.925836.464750.005754.626749.94693.942704.648682.983692.369682.749646.419625.567609.079651.896623.895609.436628.99
us-gaap:OtherAssetsCurrent ▂▁▂▂▁▁▂▂▂▂▂▂▂▁▁▂▂▂▇▇▇▇▆▅▆██▇▆▆▃▄▄▃▂▄44.624.229.245.618.120.426.248.427.831.329.331.230.118.411.026.642.246.0173.058176.298189.92199.011150.282139.753158.99203.092213.754180.217156.262153.07982.56399.719107.15658.24241.19195.125
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA17635.3NANANA16861.7NANANA16326.1NANANA15424.2NANANANANA12284.7NANANA10986.7NANANA9412.3NANANA8406.7NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType scco:BuildingAndEquipmentNANA15561.9NANANA15016.1NANANA14294.0NANANA12552.8NANANANANA9137.7NANANA8107.2NANANA7497.3NANANA6871.1NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType scco:MineralReservesNANA83.2NANANA83.2NANANA83.2NANANA83.2NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA1481.6NANANA1294.8NANANA1516.9NANANA2301.9NANANANANA2755.9NANANA2567.0NANANA1617.6NANANA1187.8NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA235.8NANANA200.1NANANA164.1NANANA218.4NANANANANA100.1NANANA61.8NANANA46.7NANANA46.4NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MineDevelopmentNANA272.8NANANA267.5NANANA267.9NANANA267.9NANANANANA255.0NANANA250.7NANANA250.7NANANA301.4NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA8176.6NANANA7490.7NANANA6922.3NANANA6324.6NANANANANA4848.3NANANA4510.5NANANA4255.6NANANA3986.8NANANA
us-gaap:PropertyPlantAndEquipmentNet ███████████████▇▇▇▆▆▅▅▅▄▄▄▃▃▂▂▂▂▁▁▁▁9456.19454.49458.79144.79197.09288.79371.09395.39414.69383.69403.89311.89172.69118.59099.68928.38837.58755.97691.6697545.6317436.437189.556933.7196685.5066476.1686032.0885636.3825349.1965156.7314856.1674666.1834495.894419.8854210.1244130.1164095.098
us-gaap:Goodwill NANA41.9NANANA41.9NANANA41.9NANANA41.9NANANANANA17.0NANANA17.0NANANA17.0NANANA17.0NANANA
 us-gaap:Goodwill us-gaap:PropertyPlantAndEquipmentByType us-gaap:MiningPropertiesAndMineralRightsNANA24.9NANANA24.9NANANA24.9NANANA24.9NANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA25.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▆▆▆▆▇▇▇▇▇▇▇▇▇██▇▇█▄▁▁▁▁▁▁▁▁▁▁140.1141.5143.0144.8145.9148.5148.4152.0148.2147.3147.7150.8151.8153.1152.5147.0146.8155.5125.246109.778109.872110.115110.473109.86110.219110.214108.437108.806109.3NANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA70.6NANANA5.6NANANANANANANANANANANANANA274.6NANANA234.6NANANA167.7NANANA69.0NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▃▃▄▅▆▇▇█944.3961.9979.0994.71011.21029.61046.41061.71076.31092.5NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▁▁▁▂▁▂▂▁▁▄▄▃▂▃▃▃▅▆▆▇▆▅▅▇█▇▄▅▅▄▄▄▃▃105.194.881.378.578.088.971.394.090.182.671.4153.0167.0133.6115.9145.1145.0127.6202.217234.646221.186263.775216.69196.827199.322269.442295.991278.413177.075199.808185.167169.022162.641161.821150.204126.769
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:AccountsPayableCurrent ▅▅▆▆▅▆▆▆▇▆██▇▇▇▆▅▄▅▄▅▆▄▄▄▃▃▅▄▃▂▃▃▁▁▆560.8549.0594.6566.8554.8597.8598.3575.0630.8587.3673.4688.5621.4640.0659.8565.1548.3505.7548.851470.855549.667604.248508.898502.307500.737456.85452.741518.543475.566427.479384.853450.793443.132331.159342.124591.076
us-gaap:AccruedIncomeTaxesCurrent █▅▆▄▁▁▃▂▂▃▄▄▃▄▄▃▂▃▁▁▂▂▂460.8284.4340.9190.244.116.5116.380.772.5118.0232.8187.8152.5180.0226.4118.353.7163.042.51129.69180.10184.55891.789NA7.474NANA35.85112.198NA80.161144.929182.491136.476120.941204.76
us-gaap:LiabilitiesCurrent █▇▇▅▃▇██▇▅▆▆▄▅▅▄▂▄▄▄▅▆▄▃▂▂▁▃▃▅▂▄▄▂▁▄1452.11374.91384.81161.7891.81387.21476.51432.21385.41123.41216.31207.91006.21179.81168.3979.8800.8989.51015.5081047.7811150.9051224.1471025.598852.897783.584736.049664.243921.645857.1351103.883758.377958.022992.877796.179697.8061064.909
us-gaap:OperatingLeaseLiabilityCurrent █▇▅▅▃▃▁72.071.370.670.669.769.468.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▅▄▃▄▄▃▂▄▄▃▂▄▃▃▂▃▃▃▄▄▄█▄▄▂▄▄▄▂▄▃▃▁▃▃▂43.639.032.336.534.932.322.634.735.531.019.533.932.629.721.332.632.029.237.74136.21938.94469.98634.28533.56519.68933.48932.96333.89822.21833.39231.62726.60412.34927.20326.90524.678
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:LiabilitiesNoncurrent ████████▇▇▆▆▆▆▆▅▅▅▆▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁8270.58264.68285.78017.58043.68061.78072.78191.97170.67726.46655.76478.36470.66468.96462.46372.56382.36409.56491.3914530.4884564.4064432.8814505.484677.7534865.0184789.6674765.6044771.9014737.5143136.8063038.3953041.0833033.5413073.3943075.6133098.058
us-gaap:LongTermDebt ▇▇▇▇▇███▆▆▆▆▆▆▆▆▆▆▇▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁6545.96545.06544.26543.46542.66941.86940.86940.15961.75960.95960.15959.35958.55957.85957.15956.35955.65954.96152.24206.34206.04205.74205.54205.24204.94209.64209.44214.14213.92741.22741.02745.92745.72750.62750.4NA
us-gaap:LongTermDebtNoncurrent ████████▆▇▇▇▇▇▇▇▇▇▇▃▃▃▃▄▄▄▄▄▄▁▁▁▁▁▁▁6545.96545.06544.26543.46542.66541.86541.06540.45562.15960.95960.15959.35958.55957.85957.15956.35955.65954.95952.2194006.3454006.0314005.7464005.4674205.1884204.9154204.6464204.3834204.1214203.8632731.1952731.042735.8852735.7322740.5852740.4382745.293
us-gaap:DeferredIncomeTaxLiabilitiesNet ▇▆▆▆▆▇▇███▁168.7144.2159.4140.4156.2183.2178.3205.1210.0206.58.8NANANA80.7NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType scco:DefinedBenefitPostretirementHealthCarePlanNANA23.8NANANA20.5NANANA11.8NANANA12.5NANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ██▇▇▇▆▇▇▇▆▆▆▆▆▅▅▅▅▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁55.353.251.250.048.147.047.949.048.346.345.444.443.442.641.740.639.939.334.27633.20132.13931.22829.97229.03928.15827.12926.04425.06123.9623.93923.02222.60820.97920.70120.04819.45
us-gaap:OtherLiabilitiesNoncurrent ▇█▇██▆▆█▄▄▃▃▂▂▁▁▁▁▁▁▂▃▄▄▄▄▃▃▃▂▂▂▂▅▄▄128.3134.0128.7137.2134.4111.1112.6137.675.376.668.258.454.845.137.235.538.937.341.47938.36356.69763.90576.7673.92876.074.51867.4365.45959.06554.43646.71844.19143.66587.69679.38975.598
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▃▄▆▇█872.3890.5908.4924.1941.5960.1977.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▁▁█▃112.2112.2113.7112.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▁█▇104.8104.8112.3111.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▂▂█▁103.7103.7104.7103.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA103.7826.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:StockholdersEquity █▇▇▆▆▆▆▆▆▆▆▆▆▅▅▆▅▅▄▄▄▄▅▄▄▄▃▃▂▆▂▂▁▁▁▁7917.57525.17224.87019.26821.56716.26810.36821.36740.36646.56567.46586.16525.76346.86107.76589.56292.36084.75807.4445636.4325804.465848.8515946.8825705.0595533.6625382.8265198.3995058.2624765.146577.1434553.3014472.1424015.3044109.3064000.6783942.211
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▇▆▆▆▆▆▆▆▆▆▆▅▅▆▅▅▄▄▄▄▅▄▄▄▃▃▂▆▂▂▁▁▁▁7972.87578.37276.07069.26869.66763.26858.26870.36788.66692.86612.86630.56569.16389.46149.46630.16332.26124.05841.725669.6335836.5995880.0795976.8545734.0985561.825409.9555224.4435083.3234789.16601.0824576.3234494.754036.2834130.0074020.7263961.661
us-gaap:CommonStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██████████████████8.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.8468.846
us-gaap:AdditionalPaidInCapitalCommonStock ██████████████████████████████▁▁▁▁3454.93439.53441.53425.73418.23410.53424.93415.63407.63400.43393.73391.83382.73380.13373.33368.53363.23360.53342.5153341.9563344.6693348.6413350.6023347.3393340.3493335.9663333.3383334.0243320.9273319.0581195.9691198.8731039.3821039.885NANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▇▇▆▇▇▆▆▆▆▆▆▆▆▆▆▄▄▄▃▃▃▂▂▂▁▁▃▃▃▃▃▃▃7538.07146.46846.46642.86446.16341.26435.66439.26358.76265.76186.96203.06142.85965.05726.26211.35914.35707.54763.6714548.7614346.8184096.7723872.0963618.193394.8273089.4142846.2222642.5842350.1264144.4244130.2824017.0843852.0543903.7823763.3913581.354
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▆▆▆▆▆▆▅▅▅▅▆▆▆▆█▃▁-8.4-8.4-8.4-10.1-10.1-10.1-10.1-2.4-2.4-2.4-2.40.50.50.50.5-2.4-2.4-2.44.8134.8134.8136.0876.0226.0876.2394.0324.0324.0324.0327.4277.4277.42712.87440.48-37.383-60.696
us-gaap:TreasuryStockValue ██████████████████▆▆▅▄▃▃▃▂▂▂▂▂▁▁▂▂▁▁3075.83061.23063.53048.03041.53034.23048.93039.93032.43026.03019.63018.03009.13007.63001.12996.72991.62989.72312.4012267.9441900.6861611.4951290.6841275.4031216.5991055.432994.039931.224918.791902.612789.223760.088897.852883.687784.481630.644
us-gaap:MinorityInterest ██▇▇▇▆▇▇▇▆▆▆▆▆▅▅▅▅▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁55.353.251.250.048.147.047.949.048.346.345.444.443.442.641.740.639.939.334.27633.20132.13931.22829.97229.03928.15827.12926.04425.06123.9623.93923.02222.60820.97920.70120.04819.45
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅█▅▂▂▃▃▂▁▂▅▁▄▄▂▁▂1061.5782.61095.6793.5419.3475.1541.4585.2414.1371.3446.2732.8406.2649.8696.6436.1353.8490.1NANANANANANANANANANANANANANANANA202.714515.072
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▆▁▇▇█▆██▇▅▃▅▅▅▆▆▆-360.1-237.8-618.2-133.7-103.2-60.6-250.1-65.5-85.6-172.8-266.4-467.9-260.5-301.4-330.4-203.2-238.8-246.6NANANANANANANANANANANANANANANANA-111.85-228.213
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▂▂▂▁▂▂█▂▂▂▂▃▃▃▄▄▄-542.5-465.1-388.2-308.9-554.8-311.4-311.5667.5-309.0-309.3-309.4-309.4-231.7-232.8-193.4-108.4-92.5-61.8NANANANANANANANANANANANANANANANA-629.766-501.665
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▃▂▄▁▃▂█▂▂▂▂▂▃▃▃▂127.083.738.2336.6-242.8126.5-10.11183.015.2-107.6-122.7-65.2-35.763.4206.3109.8-10.0NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▂▂▂▁▂▂▁▂▂▂▂▂▂▂█▂▂▂▂▂▁▁▂▁▁▂▂▂▂▂▂▂▂▁▂▂42.1-38.9-6.3-45.9-18.87.5-47.4-23.811.438.9-33.8-2.28.4-23.9703.2-20.9-24.0-16.8-40.212-24.698-100.742-76.2327.498-84.32-98.1-9.76916.426-5.745-20.30956.80831.817-12.509-19.757-81.68721.241-37.743
us-gaap:DepreciationDepletionAndAmortization ██████▇██▇▇▆▆▆▇▆▆▅▄▃▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁195.4200.6192.8196.0193.8192.9183.8200.3198.8181.6179.1170.6162.6162.0177.3169.3171.2153.4125.302116.963104.504113.923116.091110.453110.393101.48993.51690.57289.08881.28378.42876.94472.0972.50672.89870.644
us-gaap:IncreaseDecreaseInInventories ▅▃▂▄▁▂▄▄▆▄▆▅▅▆▇▆▅▄▆▆▆▅▆▇▄▆▅▅▇▆▅▄█▄▃▇37.1-38.2-67.80.6-86.0-70.411.812.756.87.559.643.628.359.481.472.337.610.753.26154.69959.57739.74158.684102.06110.84469.10432.51231.11591.20356.58144.712-11.812121.31814.459-19.55488.002
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▅▂▆▃▆▄▆▇▇▄▅▆▆▂▄▄▅▇▄▃█▅▄▁▇▅█▃▇▆▆▆▆▅▅-43.22.8-124.135.9-104.810.6-56.020.250.248.6-55.2-22.523.425.8-127.3-56.1-67.6-20.157.291-52.949-96.045100.4173.738-35.954-173.6270.847-5.684104.74-108.35455.2857.78211.12512.55125.213-27.154-32.72
us-gaap:NetCashProvidedByUsedInOperatingActivities █▅█▅▂▂▃▃▂▁▂▅▁▄▄▂▁▂1061.5782.61095.6793.5419.3475.1541.4585.2414.1371.3446.2732.8406.2649.8696.6436.1353.8490.1NANANANANANANANANANANANANANANANA202.714515.072
us-gaap:ProfitLoss █▇▆▆▄▄▄▅▅▅▄▅▅▅▁▅▄▄▄▄▅▅▅▄▅▅▅▅▆▄▆▆▆▆▆▅936.4767.1592.6508.1260.9216.2307.0391.3404.4389.2294.5370.7411.1471.9-286.2402.8300.5315.3296.013283.687349.2325.781338.381324.597407.5345.565374.105497.033533.2219.261565.336623.6539.1665.06660.119480.147
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▆▁▇▇█▆██▇▅▃▅▅▅▆▆▆-360.1-237.8-618.2-133.7-103.2-60.6-250.1-65.5-85.6-172.8-266.4-467.9-260.5-301.4-330.4-203.2-238.8-246.6NANANANANANANANANANANANANANANANA-111.85-228.213
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▄▄▂▂▁▃▃▃▃▄▄▄▅▅▃▄▄▄▄▇▆▆▅██▆▅▆▄▄▃▄▂▂▁219.8232.6243.4134.5113.3101.0171.4182.7180.4173.1289.6282.3253.9295.7313.1212.7252.1245.6284.937245.832418.835411.603375.635323.726512.848488.249385.454316.798385.956258.224230.303177.417275.867153.394110.65572.989
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▂▂▂▁▂▂█▂▂▂▂▃▃▃▄▄▄-542.5-465.1-388.2-308.9-554.8-311.4-311.5667.5-309.0-309.3-309.4-309.4-231.7-232.8-193.4-108.4-92.5-61.8NANANANANANANANANANANANANANANANA-629.766-501.665
us-gaap:RepaymentsOfLongTermDebt NANA0.00.0400.0NANANANANANANANANANANANANA66.0NANANANANA5.00.05.0NA5.00.05.0NA5.00.05.0NA
us-gaap:PaymentsOfDividendsCommonStock ▂▂▂▂▁▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▂▁▃▂▂▂541.1463.8386.5309.2154.6309.2309.2309.2309.3309.2309.3309.2231.9231.9193.3108.292.861.879.80480.48697.96999.64183.346100.026100.754101.028169.102202.9322326.088203.723450.349159.811588.7522.649476.0493.004
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value8848848848848848848848848848848848848840.8845960.8845960.884596884884884
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value20002000200020002000200020002000200020002000200020002.02.02.0200020002000
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value773773773773773773773773773773773773773773773773773793798805829833833841845845848849849
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.210.990.760.650.340.280.40.50.520.50.380.480.530.61-0.380.520.390.410.220.260.290.240.090.120.370.350.430.390.40.390.480.410.440.590.630.260.660.730.640.790.770.560.580.430.370.45
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName

us-gaap:AllocatedShareBasedCompensationExpense

scco:EmployeeStockPurchase2015Plan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value100000.0200000.0100000.0200000.0100000.0200000.0200000.0100000.0100000.0200000.0200000.0100000.0100000.0200000.0200000.0100000.0100000.0200000.0200000.0100000.0100000.0200000.0200000.0200000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:EmployeeStockPurchase2015Plan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:EmployeeStockPurchase2018Plan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.0200000.0200000.0200000.0100000.0200000.0200000.0300000.0100000.0100000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0200.0100.0100.0100.0100.0300.0100.050.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:EmployeeStockPurchase2018Plan0.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value932763591506259214297389402388290369409470-284.64012993141681972211855798294282346324337323408344372495528217563615509740681543378365313383
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.230.20.023.814.512.516.121.022.122.117.121.422.325.6-15.324.019.619.80.00.00.00.00.00.021.322.20.022.022.723.90.024.926.430.50.014.034.034.10.042.437.834.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3700000.03300000.02500000.02100000.01400000.01400000.01400000.01700000.02000000.01000000.01300000.01300000.01500000.01200000.01300000.01000000.0800000.0900000.0400000.0600000.0600000.0600000.01182000.0962000.01299000.01257000.01165000.01463000.01129000.01208000.01311000.01344000.01368000.01641000.01398000.01395000.01789000.02154000.02012000.02346000.02155000.01949000.02701000.02029000.01924000.01983000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value594508260216299391404389291370411471-283.34023003151681982221855899296283347325338324409345374497529219565618511742683545381367315385
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.023.914.612.616.121.022.222.217.221.522.425.6-15.224.019.619.90.00.00.00.00.00.021.422.30.022.122.724.00.025.026.530.60.014.134.134.20.042.637.934.10.00.00.00.0

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9859431048948976955988906867844856824851876822781804843724831751726870670706679742729726641766666712726708670667721653677695736509550531510
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.037.30.044.654.755.653.348.747.748.150.647.846.447.644.146.652.653.30.00.00.00.00.00.051.153.30.049.548.847.40.048.150.544.80.043.240.240.00.038.838.646.00.00.00.00.0

us-gaap:CostOfRevenue us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-42.8-31.5-36.1-28.2-27.5-32.5-18.8-16.9-29.9-23.5-28.1-18.8-21.5-20.2-11.8-16.5-21.6-19.779-46.8-65.1-40.9-7.3-48.1
Percentage of CostOfRevenue-4.3-3.3-3.4-3.0-2.8-3.4-1.9-1.9-3.4-2.8-3.3-2.3-2.5-2.3-1.4-2.1-2.7-2.311.0-5.6-8.7-5.6-0.8-7.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.5-1.20.0-1.3-1.5-1.9-1.0-0.9-1.6-1.3-1.7-1.1-1.2-1.1-0.6-1.0-1.4-1.20.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations110.3120.70.094.9127.9121.30.090.9117.7118.10.0109.3114.4103.10.0103.1122.70.00.00.00.00.00.00.0

us-gaap:CostOfRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value112809791811129580104100106741009511773918388737368768077898978838485748873
Percentage of CostOfRevenue11.48.59.39.68.411.79.68.912.011.812.49.111.810.914.29.411.49.812.28.99.89.58.712.011.013.212.010.711.413.211.111.112.410.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.20.04.34.66.55.14.35.75.76.34.35.55.26.34.46.05.20.00.00.00.00.00.05.67.10.05.35.66.20.05.46.34.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanIMMSAUnit69.864.70.064.680.683.40.075.685.482.60.069.665.964.10.071.373.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, scco:MexicanOpenPit


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value498509509491526465418390385419396398404411364373391464234462431394460333299299288316312229326265336380
Percentage of CostOfRevenue50.654.048.651.753.948.742.343.044.449.746.248.447.546.944.347.848.655.132.455.657.554.352.949.742.444.038.843.442.935.742.539.847.352.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.220.10.023.129.527.022.521.021.223.923.423.122.022.319.522.325.629.30.00.00.00.00.00.021.723.50.021.521.016.90.019.223.923.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanOpenPit30.534.50.041.651.848.80.039.740.439.10.040.138.138.50.036.543.50.00.00.00.00.00.00.040.845.00.042.240.435.40.041.446.544.1

us-gaap:OperatingSegments, scco:PeruvianOperations


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value417385477395395411494452407348382369367389353350343315322341311304341305339303369376347323389338317313
Percentage of CostOfRevenue42.440.845.541.640.543.050.049.947.041.244.744.843.244.542.944.942.737.444.541.141.541.939.245.548.044.649.851.747.850.350.950.844.643.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.415.20.018.622.223.926.624.322.419.822.621.420.021.218.920.922.519.90.00.00.00.00.00.024.623.80.025.623.323.90.024.422.519.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:PeruvianOperations36.540.30.047.257.562.40.057.453.260.00.057.857.360.60.062.065.70.00.00.00.00.00.00.060.458.20.058.155.352.90.051.653.346.7

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12211180128411851208118612221145110410591071102710491067103498310031013928103895089810678468798379459278907919198038448528381104784833767783802839646654632610
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.246.60.055.767.769.065.961.660.760.463.259.657.158.055.558.765.664.00.00.00.00.00.00.063.665.70.062.959.858.40.058.059.952.60.071.247.246.10.044.944.652.40.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15791266976843488436515628657625542624718704743616457485361300320272107220450410493493558522574538535723755425853939850917962718806545490588
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.550.00.039.627.425.427.833.836.135.632.036.239.138.339.936.829.930.60.00.00.00.00.00.032.632.20.033.537.538.60.038.938.044.60.027.451.452.00.052.653.444.80.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value64750738933822422121524125123724925730923610362201601761951111029253125157129150173225204172195166234232219309318311252301238311178174203
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.420.00.015.912.612.911.613.013.813.614.715.016.812.955.613.110.511.10.00.00.00.00.00.011.410.10.011.815.215.10.014.111.814.50.014.218.717.70.014.516.814.90.00.00.00.0

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value-88000000.0-87200000.0-84400000.0-86400000.0-87800000.0-89000000.0-87000000.0-78700000.0-79600000.0-74100000.0-63900000.0-64800000.0-65800000.0-66600000.0-69100000.0-69800000.0-71700000.0-89900000.0-69500000.0-71300000.0-63700000.0-61900000.0
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.0-3.40.0-4.1-4.9-5.2-4.7-4.2-4.4-4.2-3.8-3.8-3.6-3.6-3.7-4.2-4.7-5.70.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3700000.03300000.02500000.02100000.01400000.01400000.01400000.01700000.02000000.01000000.01300000.01300000.01500000.01200000.01300000.01000000.0800000.0900000.0400000.0600000.0600000.0600000.01182000.0962000.01299000.01257000.01165000.01463000.01129000.01208000.01311000.01344000.01368000.01641000.01424000.01395000.01789000.02132000.02055000.02021000.02082000.01771000.02722000.02029000.01924000.01983000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value932763590506259214305389402388293369409470-287.44012993141711972211856098294282348324337323406344372495531217563623539663660480495365315385
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.230.20.023.814.512.516.521.022.122.117.321.422.325.6-15.424.019.619.80.00.00.00.00.00.021.322.20.022.022.723.90.024.926.430.50.014.034.034.50.038.036.630.00.00.00.00.0

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.73.32.52.11.41.41.41.72.01.01.31.31.51.2
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic0.40.40.40.40.50.70.50.40.50.30.40.40.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.00.10.10.10.10.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value932763590506259214305389402388293369409470
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.230.20.023.814.512.516.521.022.122.117.321.422.325.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value167513511066943577533631713713693623696787773830692525570470362385346187286503436525547597562615580565770812447875972901962998762852602540608
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.853.40.044.332.331.034.138.439.339.636.840.442.942.044.541.334.436.00.00.00.00.00.00.036.434.30.037.140.241.60.042.040.147.40.028.852.853.90.055.155.447.60.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-12.7-7.6-14.4-15.8-6.5-8.2-4.8-12.2-12.5-6.2-4.5-3.3-10.5-7.2-6.7-3.4-0.1-9.0-115.61353158.226
Percentage of OperatingIncomeLoss-0.8-0.6-1.4-1.7-1.1-1.5-0.8-1.7-1.8-0.9-0.7-0.5-1.3-0.9-0.8-0.5-0.0-1.6-24.63.813.84.34.49.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.4-0.30.0-0.7-0.4-0.5-0.3-0.7-0.7-0.4-0.3-0.2-0.6-0.4-0.4-0.2-0.0-0.60.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations32.729.10.053.230.230.60.065.649.231.20.019.255.936.70.021.20.60.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value322639345.46.43.48.0-0.34.4-5.1183738111318312120113.70.3-6.8125.33.5-3.57.7198.1159.432
Percentage of OperatingIncomeLoss1.92.03.73.70.91.20.51.1-0.00.6-0.82.64.75.01.31.93.45.54.55.72.91.10.2-2.42.51.20.7-0.61.33.51.32.61.74.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.10.01.60.30.40.20.4-0.00.3-0.31.12.02.10.60.81.22.00.00.00.00.00.00.00.90.40.0-0.20.51.40.01.10.72.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanIMMSAUnit20.021.40.024.75.34.80.07.5-0.23.60.016.924.426.10.012.814.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, scco:MexicanOpenPit


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1021856644580376379421481465550449485560552615536396388470294262267122175350294364335395354363319334431
Percentage of OperatingIncomeLoss61.063.460.461.565.371.266.667.465.279.472.169.671.171.474.277.575.468.1100.081.268.177.365.261.269.767.569.461.366.263.059.155.159.156.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.333.80.027.321.122.122.725.925.631.426.528.130.530.033.032.025.924.50.00.00.00.00.00.025.323.10.022.826.626.20.023.123.726.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanOpenPit62.657.90.049.137.139.80.049.048.751.40.048.752.851.70.052.444.10.00.00.00.00.00.00.047.844.40.044.751.254.70.049.946.150.1

us-gaap:OperatingSegments, scco:PeruvianOperations


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value634476396344201155212236261144183196200189210146111159943358605691151151160205215226237259220301
Percentage of OperatingIncomeLoss37.935.237.236.534.929.133.633.236.620.929.428.325.424.525.321.121.227.920.19.415.117.330.231.830.234.630.537.636.040.338.544.739.039.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.918.80.016.211.39.011.412.714.48.310.811.410.910.311.38.77.310.10.00.00.00.00.00.011.011.90.014.014.516.70.018.815.618.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:PeruvianOperations55.549.80.041.229.323.60.030.034.124.90.030.831.229.40.025.821.30.00.00.00.00.00.00.027.029.10.031.834.337.20.039.637.045.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-8.22.3-5.1-14.0-1.0-7.4-29.0-6.3235.4-17.6-7.6-3.1-2.3-17.3-6.23.14.8-39.59.65.8-0.5-15.634-4.297-1.605-3.764-8.334-22.522-5.779-4.206-2.4011.724160.848-7.958-0.9080.4761.4-8.817-1.3740.3180.78-6.501-9.18-6.4891.433
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.30.10.0-0.7-0.1-0.4-1.6-0.31.30.3-1.0-0.4-0.2-0.1-0.9-0.40.20.30.00.00.00.00.00.0-0.1-0.30.0-1.5-0.4-0.30.00.11.20.10.0-0.10.00.10.0-0.10.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value936767592508260216307391404389294370411471-286.24023003151721982221856299296283349325338324407345374497533219565623539665660480494367315385
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.330.30.023.914.612.616.621.022.222.217.421.522.425.6-15.424.019.619.90.00.00.00.00.00.021.422.30.022.122.724.00.025.026.530.60.014.134.134.50.038.136.630.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value289725322350212917851719185418591818175316941723183718411864167615291583138212741471147414871354153513841410162316511552165918051669174518011602
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-38.8-26.1-33.0-29.7-21.5-26.8-19.3-18.6-25.4-19.9-23.7-17.2-18.8-19.6-17.7-16.0-17.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.0-1.4-1.4-1.2-1.6-1.0-1.0-1.4-1.1-1.4-1.0-1.0-1.1-0.9-1.0-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.0-1.4-1.4-1.2-1.6-1.0-1.0-1.4-1.1-1.4-1.0-1.0-1.1-0.9-1.0-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-38.8-26.1-33.0-29.7-21.5-26.8-19.3-18.6-25.4-19.9-23.7-17.2-18.8-19.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.0-1.4-1.4-1.2-1.6-1.0-1.0-1.4-1.1-1.4-1.0-1.0-1.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.0-1.4-1.4-1.2-1.6-1.0-1.0-1.4-1.1-1.4-1.0-1.0-1.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService

scco:CorporateAndEliminations, scco:Copper


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-19.2-13.7-13.7-14.1-7.7-12.9-8.7-11.0-14.3-12.9-15.9-10.0-11.0-11.2-9.1-9.2-8.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.5-0.6-0.7-0.4-0.8-0.5-0.6-0.8-0.7-0.9-0.6-0.6-0.6-0.5-0.5-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-0.5-0.6-0.7-0.4-0.8-0.5-0.6-0.8-0.7-0.9-0.6-0.6-0.6-0.5-0.5-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations scco:Copper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:CorporateAndEliminations, scco:Other


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value-2.2-1.2-2.7-1.5-1.5-1.2-0.8-0.8-0.6-0.7-0.8-1.2-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.0-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.1-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.0-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.1-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations scco:Other100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:CorporateAndEliminations, scco:Silver


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-17.4-11.740-17.5-9.5-11.919-9.0-6.5-5.8-6.9-6.6-7.1-7.5-6.2-5.8-7.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.6-0.51.7-0.8-0.5-0.71.0-0.5-0.4-0.3-0.4-0.4-0.4-0.4-0.3-0.3-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.6-0.51.7-0.8-0.5-0.71.0-0.5-0.4-0.3-0.4-0.4-0.4-0.4-0.3-0.3-0.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations scco:Silver100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:CorporateAndEliminations, scco:Zinc


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.00.5-56.84.6-2.8-0.5-28.32.6-3.8-0.40.0-0.40.0-0.1-0.80.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-2.40.2-0.2-0.0-1.50.1-0.2-0.00.0-0.00.0-0.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-2.40.2-0.2-0.0-1.50.1-0.2-0.00.0-0.00.0-0.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations scco:Zinc0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:Copper, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2723212111187.51112118.69.915119.19.28.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.90.91.00.71.00.40.60.70.60.50.60.90.60.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.90.91.00.71.00.40.60.70.60.50.60.90.60.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Copper scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Copper, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1382128010741022866799810809800895797840911909964898788
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax47.750.645.748.048.546.543.743.544.051.047.048.849.649.451.753.651.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax47.750.645.748.048.546.543.743.544.051.047.048.849.649.451.753.651.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Copper scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Copper, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value957826845720599561694667651522564550571564568502467
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.032.636.033.833.632.637.535.935.829.833.332.031.130.630.530.030.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.032.636.033.833.632.637.535.935.829.833.332.031.130.630.530.030.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Copper scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Molybdenum, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value14991865858726691939088897391705742
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.23.63.72.73.34.23.64.95.15.15.25.24.04.93.83.42.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.23.63.72.73.34.23.64.95.15.15.25.24.04.93.83.42.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Molybdenum scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Molybdenum, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value13278706148545365612843483045323324
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.63.13.02.92.73.12.93.53.41.62.52.81.72.51.72.01.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.63.13.02.92.73.12.93.53.41.62.52.81.72.51.72.01.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Molybdenum scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Other, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value15161311151513151518221820
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.70.60.60.90.90.80.90.91.01.21.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.70.60.60.90.90.80.90.91.01.21.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Other scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Other, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value32343433373123362227252425
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.41.61.92.21.71.32.11.31.51.41.51.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.41.61.92.21.71.32.11.31.51.41.51.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Other scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Other, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value19211817233333142220181110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.80.91.01.31.81.90.81.31.11.00.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.80.91.01.31.81.90.81.31.11.00.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Other scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Silver, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value364813648273522124171720192320151620
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.95.82.31.52.111.91.30.91.01.21.11.31.10.81.01.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.95.82.31.52.111.91.30.91.01.21.11.31.10.81.01.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Silver scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Silver, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value687267594449375042424842384242
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.93.13.32.62.72.12.92.52.52.62.32.02.52.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.93.13.32.62.72.12.92.52.52.62.32.02.52.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Silver scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Silver, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value322935222023201418161815191719
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.21.61.31.21.21.10.81.11.01.00.81.01.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.21.61.31.21.21.10.81.11.01.00.81.01.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Silver scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:Zinc, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8135-18.3575165-128.6547977756394951115976
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.81.4-0.82.72.93.8-6.92.94.44.44.53.75.25.26.03.65.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.81.4-0.82.72.93.8-6.92.94.44.44.53.75.25.26.03.65.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:Zinc scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntersegmentElimination, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value38262921261825191718191617
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.01.41.21.61.01.41.11.01.01.11.01.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.01.41.21.61.01.41.11.01.01.11.01.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value161124152140101134114106122121118107153149150103124
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.64.96.56.65.77.86.25.76.76.97.06.28.38.18.16.28.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.64.96.56.65.77.86.25.76.76.97.06.28.38.18.16.28.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1632147812601181101695395498295410729519951061106810971023899733664783750772648749640724862
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.358.453.655.556.955.551.552.852.561.156.157.757.858.058.961.058.853.052.153.350.951.947.848.846.251.353.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.358.453.655.556.955.551.552.852.561.156.157.757.858.058.961.058.853.052.153.350.951.947.848.846.251.353.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1142955970836688658804789766580649638641642634565522562520595648627610692655596670
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.437.741.339.338.638.343.442.442.233.138.337.034.934.934.033.734.240.740.840.543.942.245.145.147.342.341.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.437.741.339.338.638.343.442.442.233.138.337.034.934.934.033.734.240.740.840.543.942.245.145.147.342.341.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12298119111801079588961019490134129
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.95.15.24.56.35.14.75.35.85.65.27.37.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.95.15.24.56.35.14.75.35.85.65.27.37.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanIMMSAUnit us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:MexicanOpenPit, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value16321478126011811016953954982954107295199510611068
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.358.453.655.556.955.551.552.852.561.156.157.757.858.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.358.453.655.556.955.551.552.852.561.156.157.757.858.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanOpenPit us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:PeruvianOperations, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1142955970836688658804789766580649638641642
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.437.741.339.338.638.343.442.442.233.138.337.034.934.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.437.741.339.338.638.343.442.442.233.138.337.034.934.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:PeruvianOperations us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementGeographical

scco:CorporateAndEliminations, country:MX


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-38.8-26.1-33.0-29.7-21.5-26.8-19.3-18.6-25.4-19.9-23.7-17.2-18.8-19.6-17.7-16.0-17.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.0-1.4-1.4-1.2-1.6-1.0-1.0-1.4-1.1-1.4-1.0-1.0-1.1-0.9-1.0-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.0-1.4-1.4-1.2-1.6-1.0-1.0-1.4-1.1-1.4-1.0-1.0-1.1-0.9-1.0-1.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations country:MX100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:BR, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.62.06.71.33.51.05.17.26.69.712
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.30.10.20.10.30.40.40.50.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.30.10.20.10.30.40.40.50.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:BR scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:BR, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value12097582054484448556462
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.82.81.23.22.62.52.83.23.53.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.82.81.23.22.62.52.83.23.53.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:BR scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:CH, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value187.0191514115.1126.8179.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.30.90.90.90.60.30.70.41.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.30.90.90.90.60.30.70.41.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:CH scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:CH, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value31829427423617217118322514111682
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.011.612.913.210.09.210.112.98.26.44.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.011.612.913.210.09.210.112.98.26.44.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:CH scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:CH, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10392153147668173110313043
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.63.67.28.33.94.44.06.31.81.72.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.63.67.28.33.94.44.06.31.81.72.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:CH scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:CL, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value1.01.90.0171.90.10.01.11.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.01.00.10.00.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.01.00.10.00.00.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:CL scco:MexicanOpenPit100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:OperatingSegments, country:CL, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9556554148645920422336
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.32.22.62.32.83.53.31.12.51.32.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.32.22.62.32.83.53.31.12.51.32.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:CL scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:ES, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10291621846464645424444
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.62.91.02.72.52.62.62.42.42.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.62.91.02.72.52.62.62.42.42.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:ES scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:ES, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-31
Value2319
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:ES scco:PeruvianOperations100.0100.0

us-gaap:OperatingSegments, country:IT, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.10.92.01.03.42.02.85.53.48.05.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.10.20.10.20.30.20.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.10.20.10.20.30.20.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:IT scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:IT, scco:MexicanOpenPit


Revenue
Period End2021-06-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.25.77.8295.14.78.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.30.41.70.30.30.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.30.41.70.30.30.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:IT scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:IT, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10873605266546347647882
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.82.92.82.93.92.93.52.73.74.34.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.82.92.82.93.92.93.52.73.74.34.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:IT scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:JP, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.921152.39.4216.39.8-4.72944
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.80.70.10.51.10.30.6-0.31.62.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.80.70.10.51.10.30.6-0.31.62.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:JP scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:JP, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value14716212913898106126117114104115
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.46.17.75.75.77.06.76.65.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.46.17.75.75.77.06.76.65.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:JP scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:MX, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1096684709981928686109111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.82.64.03.95.84.45.15.05.05.96.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.82.64.03.95.84.45.15.05.05.96.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:MX scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:MX, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value494453319207363338312351329328368
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.117.915.011.621.118.217.220.019.117.920.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.117.915.011.621.118.217.220.019.117.920.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:MX scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:PE, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302020-09-302020-06-302020-03-31
Value0.14.82.63.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.20.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.20.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:PE scco:MexicanIMMSAUnit100.0100.0100.0100.0

us-gaap:OperatingSegments, country:PE, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1431479540737593859210693
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.95.84.52.24.34.05.14.95.45.85.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.95.84.52.24.34.05.14.95.45.85.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:PE scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:SG, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value4.83.60.61.93.22.34.71.81.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.00.10.20.10.30.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.00.10.20.10.30.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:SG scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:SG, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value163715511661687258104140143
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.62.82.66.53.63.74.03.36.17.67.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.62.82.66.53.63.74.03.36.17.67.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:SG scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:SG, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10812713611113521219552164146132
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.85.06.46.27.911.410.73.09.58.07.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.85.06.46.27.911.410.73.09.58.07.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:SG scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:US, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1417114.00.23.11.61.40.50.65.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.70.50.20.00.20.10.10.00.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.70.50.20.00.20.10.10.00.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:US scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:US, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value393389309298258280257279263270248
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.615.414.616.715.015.114.215.915.314.713.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.615.414.616.715.015.114.215.915.314.713.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:US scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:US, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value611933194058216.7405641
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.10.81.61.12.43.21.20.42.43.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.10.81.61.12.43.21.20.42.43.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:US scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherAmericanCountries, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.00.70.70.60.90.70.80.50.51.60.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.10.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.10.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherAmericanCountries scco:MexicanIMMSAUnit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherAmericanCountries, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.710160.78.3101112151312
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.80.00.50.50.60.70.90.80.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.80.00.50.50.60.70.90.80.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherAmericanCountries scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherAmericanCountries, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.01.81.00.20.20.40.81.81.80.21.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.00.00.10.10.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.00.00.00.10.10.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherAmericanCountries scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherAsianCountries, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.10.10.20.10.10.50.10.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherAsianCountries scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherAsianCountries, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7371856311153435244363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.84.03.60.70.91.92.01.42.43.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.84.03.60.70.91.92.01.42.43.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherAsianCountries scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherAsianCountries, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value109783050204821358.78.58.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.11.42.91.22.61.22.00.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.11.42.91.22.61.22.00.50.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherAsianCountries scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherEuropeanCountries, scco:MexicanIMMSAUnit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6.726113.66.14.49.05.82.95.84.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.21.00.50.20.40.20.50.30.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.21.00.50.20.40.20.50.30.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherEuropeanCountries scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherEuropeanCountries, scco:MexicanOpenPit


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7473425620242222746951
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.92.03.11.21.31.21.34.33.82.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.92.03.11.21.31.21.34.33.82.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherEuropeanCountries scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:OtherEuropeanCountries, scco:PeruvianOperations


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value11881836652386753242225
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.13.23.93.73.12.03.73.11.41.21.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.13.23.93.73.12.03.73.11.41.21.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:OtherEuropeanCountries scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

scco:Copper


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value23482117192717491469136515031477144814151354139114881473153314011256
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.183.682.082.282.379.481.179.579.780.779.980.781.080.082.283.682.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.183.682.082.282.379.481.179.579.780.779.980.781.080.082.283.682.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:Copper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:Molybdenum


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2821691571191071261201561541181311371041361029167
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.76.76.75.66.07.36.58.48.56.77.88.05.77.45.55.44.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.76.76.75.66.07.36.58.48.56.77.88.05.77.45.55.44.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:Molybdenum100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:Other


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value65706461747970665966655354
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.83.03.44.34.33.93.83.53.63.63.23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.83.03.44.34.33.93.83.53.63.63.23.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:Other100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:Silver


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value120139-71.013399884388687674718371667075
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.15.5-3.06.25.65.12.44.83.84.44.44.24.53.93.64.24.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.15.5-3.06.25.65.12.44.83.84.44.44.24.53.93.64.24.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:Silver100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:Zinc


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8135272624864114577576756394941106076
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.81.411.62.92.73.86.23.14.24.44.53.75.25.25.93.65.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.81.411.62.92.73.86.23.14.24.44.53.75.25.25.93.65.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:Zinc100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:BR


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value12699876522585649495559627475685855
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.93.73.11.23.43.12.72.73.23.53.64.04.13.73.53.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.93.73.11.23.43.12.72.73.23.53.64.04.13.73.53.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:BR100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:CH


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value440393342446399253300263261347173179165135222121160
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.215.514.621.022.414.816.214.214.419.810.210.49.07.311.97.310.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.215.514.621.022.414.816.214.214.419.810.210.49.07.311.97.310.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CH100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:CL


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9658565558504664592134422336252618
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.32.32.42.63.32.92.53.53.31.22.02.51.32.01.41.61.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.32.32.42.63.32.92.53.53.31.22.02.51.32.01.41.61.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CL100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:ES


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value125110726218464746464538424444423435
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.34.43.12.91.02.72.52.52.62.62.32.42.42.42.32.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.34.43.12.91.02.72.52.52.62.62.32.42.42.42.32.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:ES100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:IT


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value11074866253707862748287729096927378
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.82.93.72.93.04.14.23.44.14.75.24.24.95.25.04.45.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.82.93.72.93.04.14.23.44.14.75.24.24.95.25.04.45.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:IT100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:JP


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value15018418614414010811212713212781109133159128134101
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.27.37.96.87.96.36.16.97.37.34.86.37.28.76.98.06.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.27.37.96.87.96.36.16.97.37.34.86.37.28.76.98.06.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:JP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:MX


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value565493460374256436332401380418371398418460422396335
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.519.519.617.614.325.417.921.620.923.921.923.122.825.022.723.721.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.519.519.617.614.325.417.921.620.923.921.923.122.825.022.723.721.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:MX100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:PE


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value143147116994276847593879792106931099482
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.95.85.04.72.44.44.64.05.15.05.85.45.85.15.85.65.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.95.85.04.72.44.44.64.05.15.05.85.45.85.15.85.65.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:PE100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:SG


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value277202241192229200299283272112237269286276243287241
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.68.010.39.112.811.716.115.215.06.414.015.615.615.013.117.115.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.68.010.39.112.811.716.115.215.06.414.015.615.615.013.117.115.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:SG100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value469425387354322299285342281287331304328294317329242
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.216.816.516.718.017.415.418.415.516.419.517.717.916.017.019.715.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.216.816.516.718.017.415.418.415.516.419.517.717.916.017.019.715.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:OtherAmericanCountries


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value8.712181.59.41112151515142615
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.90.10.50.60.70.90.90.80.81.61.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.90.10.50.60.70.90.90.80.81.61.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:OtherAmericanCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:OtherAsianCountries


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value183149121115114328164567163335272643261
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.35.95.25.46.41.94.43.43.14.03.82.02.83.93.41.94.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.35.95.25.46.41.94.43.43.14.03.82.02.83.93.41.94.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:OtherAsianCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:OtherEuropeanCountries


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2001801791361267912667988298101988210158101
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.97.17.66.47.14.66.83.65.44.75.85.95.34.55.43.56.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.97.17.66.47.14.66.83.65.44.75.85.95.34.55.43.56.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:OtherEuropeanCountries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubsegmentsConsolidationItems

us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value28972532212917851719185918181753172318371841
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value289725322350212917851719185418591818175316941723183718411864167615291583138212741471147414871354153513841410162316511552165918051669174518011602
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31303233312940323028252626242425222121222326252324242726252425242725262325252924252417232121
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.21.41.61.81.72.21.71.71.61.51.51.41.31.31.51.51.40.00.00.00.00.00.01.82.01.91.81.71.81.71.71.91.61.61.51.51.41.81.41.41.50.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.72.72.92.62.10.91.01.23.80.80.50.21.00.41.0-0.70.60.21.30.30.50.2-1.8-2.3
Percentage of SellingGeneralAndAdministrativeExpense8.69.09.07.86.73.12.53.812.32.81.90.83.81.74.1-2.82.70.96.01.32.10.8-6.9-9.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.10.10.20.00.00.00.10.00.1-0.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax scco:CorporateAndEliminations-7.0-10.3-8.8-8.8-9.8-3.4-5.2-6.5-15.0-4.0-2.1-1.2-5.3-2.0-5.64.4-3.40.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.82.12.72.61.82.41.92.02.21.81.71.92.52.42.21.52.02.22.02.11.81.51.51.51.54.04.64.13.93.73.93.53.93.8
Percentage of SellingGeneralAndAdministrativeExpense8.97.08.47.85.78.24.76.27.16.36.67.29.510.09.06.09.010.39.29.37.65.75.86.46.016.116.915.615.415.115.214.514.215.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.10.30.30.30.30.30.30.30.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanIMMSAUnit1.71.71.81.81.81.81.71.91.81.51.41.81.61.61.51.41.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, scco:MexicanOpenPit


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value161515191916271915161315131111151110.09.61112131415119.49.89.79.18.69.38.29.18.8
Percentage of SellingGeneralAndAdministrativeExpense52.252.848.157.261.157.467.360.650.857.253.759.852.349.446.961.250.046.744.049.853.851.354.665.346.537.836.036.935.835.136.334.033.134.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.70.91.11.01.51.00.90.90.80.90.70.60.60.90.70.60.00.00.00.00.00.00.80.70.70.70.60.60.60.60.60.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:MexicanOpenPit1.01.11.21.61.91.82.82.01.61.51.51.61.31.11.01.51.20.00.00.00.00.00.00.01.61.41.31.31.21.31.21.31.31.0

us-gaap:OperatingSegments, scco:PeruvianOperations


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value9.59.4119.18.39.1109.49.29.69.88.59.09.49.88.98.59.08.99.08.611129.010.0101011111112111312
Percentage of SellingGeneralAndAdministrativeExpense30.331.234.527.226.431.325.529.429.833.737.832.234.439.040.035.638.342.140.839.636.442.246.638.240.141.439.344.544.145.749.548.548.147.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.50.40.50.50.60.50.50.50.60.50.50.50.50.50.60.60.00.00.00.00.00.00.70.80.70.80.80.80.80.80.90.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments scco:PeruvianOperations0.81.01.11.11.21.41.31.21.21.71.51.31.41.51.51.61.60.00.00.00.00.00.00.01.82.01.81.81.81.81.81.82.21.8

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value1769517217169461624815805162121640716494153441554214484143161404514038137801398213515135231323413063127871280712593128651334811247115511153711507112641121010935106541077610383108418373849380627999779481248128761174496058
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value401336393573278530813651247024471534158857646587636725314-659.1-238.79.6-51.9-723.9-520.13831215-58.6
Percentage of Assets22.721.121.117.119.522.515.114.810.010.24.03.26.22.61.80.1-4.9-1.80.1-0.4-5.7-4.13.09.4-0.5
Percentage of Assets22.721.121.117.119.522.515.114.810.010.24.03.26.22.61.80.1-4.9-1.80.1-0.4-5.7-4.13.09.4-0.5
Percentage of Assets scco:CorporateAndEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value994965967879824815837839842942930974951950889887868889825800790788787815837890843877896863895882865892
Percentage of Assets5.65.65.75.45.25.05.15.15.56.16.46.86.86.86.56.36.46.66.26.16.26.26.36.36.37.97.37.67.87.78.08.18.18.3
Percentage of Assets5.65.65.75.45.25.05.15.15.56.16.46.86.86.86.56.36.46.66.26.16.26.26.36.36.37.97.37.67.87.78.08.18.18.3
Percentage of Assets us-gaap:OperatingSegments scco:MexicanIMMSAUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:MexicanOpenPit


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7874769872367551715070578081809380148375816581227659833883238466866084818174805286408542745973037066756967806516597663146010547449274647
Percentage of Assets44.544.742.746.545.243.549.349.152.253.956.456.754.559.460.460.664.162.761.861.667.666.759.256.852.967.358.756.551.956.153.650.146.343.1
Percentage of Assets44.544.742.746.545.243.549.349.152.253.956.456.754.559.460.460.664.162.761.861.667.666.759.256.852.967.358.756.551.956.153.650.146.343.1
Percentage of Assets us-gaap:OperatingSegments scco:MexicanOpenPit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, scco:PeruvianOperations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4812491551695032474946875017511449534636481347544559438243144613464543914225426240803996396235303646364738283472343134283539352734113210
Percentage of Assets27.228.530.531.030.028.930.631.032.329.833.233.232.531.231.333.034.432.531.932.631.931.231.527.427.332.433.130.129.830.431.632.332.029.8
Percentage of Assets27.228.530.531.030.028.930.631.032.329.833.233.232.531.231.333.034.432.531.932.631.931.231.527.427.332.433.130.129.830.431.632.332.029.8
Percentage of Assets us-gaap:OperatingSegments scco:PeruvianOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17695172171694616248158051621216407164941534415542144841431614045140381378013982135151352313234130631278712807125931286513348112471155111537115071126411210109351065410776103831084183738493806279997794812481286058
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value79177525722470196821671668106821674066466567658665256346610765896292608458325696555553715262551658075636580458485946570555335382519850584765657745534472401541094000394238903875
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.743.742.643.243.241.441.541.443.942.845.346.046.545.244.347.146.645.044.143.643.441.941.842.943.550.150.250.751.750.649.449.248.846.945.960.754.452.749.851.451.348.547.964.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value55115036481543373859413941844177309831823180327331693317317029522644277325662549235224592484301038632002248929553312338934163730387443604287528930713406310133313271366837021773
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.129.328.426.724.425.525.525.320.220.522.022.922.623.623.021.119.620.519.419.518.419.219.723.428.917.821.625.628.830.130.534.136.440.541.348.836.740.138.541.642.045.245.629.3

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value239422672183214518082051192519357527378449671032106810047986886985465114523762745041572192363103413351473167217951939246224591157107915188481243145319732192223621446517727161409
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.513.212.913.211.412.711.711.74.94.75.86.87.47.67.35.75.15.24.13.93.52.92.23.911.81.73.29.011.613.114.916.418.222.823.710.712.917.910.515.518.724.327.029.428.80.012.70.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value23942267218321451808205119251935752737844967103210681004798688698546274
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.513.212.913.211.412.711.711.74.94.75.86.87.47.67.35.75.15.24.12.2

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value545415410303040801.71182132132365056503040525110098282603882573833382072892732083633922041343793732275215352252207622
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.12.42.40.20.20.30.50.00.81.41.51.70.40.40.40.20.30.40.40.80.82.24.86.94.30.72.91.82.52.41.93.33.71.91.33.54.52.76.56.72.92.70.90.4

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value143512321068955854709832842787876822778813873890830620669591563477520448419481501540514583523533487470566669529618713695571767597671407
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.17.26.35.95.44.45.15.15.15.65.75.45.86.26.55.94.65.04.54.33.74.13.63.33.64.54.74.55.14.64.84.54.45.36.44.97.48.48.67.19.87.48.36.7

us-gaap:AccountsReceivableNetCurrent us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value664257584844384139545047627179
Percentage of AccountsReceivableNetCurrent4.73.55.46.15.66.34.65.05.16.26.16.17.78.28.9
Percentage of Assets0.40.20.30.40.30.30.20.30.30.30.30.30.40.50.6
Percentage of Assets us-gaap:OperatingSegments scco:MexicanIMMSAUnit6.74.46.06.65.85.44.55.04.75.75.44.96.67.59.0

us-gaap:OperatingSegments, scco:MexicanOpenPit


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value655657566546470411477430378543505459503539556
Percentage of AccountsReceivableNetCurrent45.753.453.057.255.157.957.451.148.162.061.559.161.961.862.5
Percentage of Assets3.73.83.33.43.02.52.92.62.53.53.53.23.63.84.0
Percentage of Assets us-gaap:OperatingSegments scco:MexicanOpenPit8.38.57.87.26.65.85.95.34.76.56.25.76.66.56.7

us-gaap:OperatingSegments, scco:PeruvianOperations


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value713531445350335254317370368278266271247262254
Percentage of AccountsReceivableNetCurrent49.743.241.636.739.335.838.144.046.831.832.334.930.430.028.6
Percentage of Assets4.03.12.62.22.11.61.92.22.41.81.81.91.81.91.8
Percentage of Assets us-gaap:OperatingSegments scco:PeruvianOperations14.810.88.67.07.15.46.37.27.46.05.55.75.46.05.9

us-gaap:AccountsReceivableNetCurrent us-gaap:StatementBusinessSegments

scco:MexicanIMMSAUnit


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5738507947
Percentage of AccountsReceivableNetCurrent5.44.66.18.98.0
Percentage of Assets0.30.20.30.60.4
Percentage of Assets scco:MexicanIMMSAUnit0.00.00.00.00.0

scco:MexicanOpenPit


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value566477505556365
Percentage of AccountsReceivableNetCurrent53.057.461.562.561.7
Percentage of Assets3.32.93.54.02.8
Percentage of Assets scco:MexicanOpenPit0.00.00.00.00.0

scco:PeruvianOperations


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value445317266254179
Percentage of AccountsReceivableNetCurrent41.638.132.328.630.3
Percentage of Assets2.61.91.81.81.4
Percentage of Assets scco:PeruvianOperations0.00.00.00.00.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value89388095097798010791068106210681035103210071003104910419979759791010972979931857804826842836750754749693704682692682646625609651623609628504456
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.15.15.66.06.26.76.56.47.06.77.17.07.17.57.67.17.27.27.67.47.77.36.86.36.27.57.26.56.66.76.26.46.46.46.66.07.57.28.17.87.87.76.27.5

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4424294518202648273129313018112642463647384327199173176189199150139158203213180156153829910758419511767
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.10.20.30.10.10.20.30.20.20.20.20.20.10.10.20.30.30.30.40.30.30.21.51.31.61.61.71.31.21.41.92.01.71.51.41.01.21.30.70.51.21.41.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1763516861163261542414473134561228410986941284067880
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets104.1102.8112.7111.9109.4106.9106.398.090.6104.396.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

scco:BuildingAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value15561150161429412552121771152991378107749768716703
Percentage of PropertyPlantAndEquipmentGross88.289.187.681.484.185.774.473.879.781.785.1
Percentage of Assets91.891.598.791.192.091.679.172.372.285.282.5
Percentage of Assets scco:BuildingAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

scco:MineralReserves


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value838383838393
Percentage of PropertyPlantAndEquipmentGross0.50.50.50.50.60.7
Percentage of Assets0.50.50.60.60.60.7
Percentage of Assets scco:MineralReserves0.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1481129415162301181114492755256716171187833
Percentage of PropertyPlantAndEquipmentGross8.47.79.314.912.510.822.423.417.214.110.6
Percentage of Assets8.77.910.516.713.711.523.922.915.614.710.2
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value23520016421814211810061464641
Percentage of PropertyPlantAndEquipmentGross1.31.21.01.41.00.90.80.60.50.60.5
Percentage of Assets1.41.21.11.61.10.90.90.60.40.60.5
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MineDevelopment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value272267267267259265255250250301301
Percentage of PropertyPlantAndEquipmentGross1.51.61.61.71.82.02.12.32.73.63.8
Percentage of Assets1.61.61.81.92.02.12.22.22.43.73.7
Percentage of Assets us-gaap:MineDevelopment0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value81767490692263245706519348484510425539863785
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.245.747.845.943.141.242.040.241.049.446.6

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value9456945494589144919792889371939594149383940393119172911890998928883787558766858184988400826278727691754574367189693366856476603256365349515648564666449544194210413040954094404240113969
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.454.955.856.358.257.357.157.061.460.464.965.065.365.066.063.965.464.766.265.766.565.665.661.257.667.164.462.360.359.357.855.252.949.649.744.855.752.954.852.653.050.450.453.153.865.5

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value60454470436951452934633736434337455373966333824622922223124225325640458115
Percentage of PropertyPlantAndEquipmentNet6.45.87.54.05.65.73.73.63.93.74.05.98.17.33.72.82.62.52.62.83.03.14.90.71.6
Percentage of Assets3.43.24.22.33.33.32.12.02.42.22.63.95.34.72.51.81.71.61.81.92.02.03.20.51.0
Percentage of Assets scco:CorporateAndEliminations15.115.019.713.316.714.514.013.823.821.665.0119.084.5180.5133.51653.0-34.7-93.12413.5-466.3-35.0-49.3105.54.8-196.8

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value546548548508506505497487468460448433433434366374376375448448455460395393392388389376379380378372367359
Percentage of PropertyPlantAndEquipmentNet5.85.85.85.65.55.45.35.25.04.94.84.74.74.84.04.24.34.35.15.25.45.54.85.05.15.15.25.25.55.75.86.26.56.7
Percentage of Assets3.13.23.23.13.23.13.03.03.13.03.13.03.13.12.72.72.82.83.43.43.63.63.13.12.93.53.43.33.33.43.43.43.43.3
Percentage of Assets us-gaap:OperatingSegments scco:MexicanIMMSAUnit54.956.856.757.861.562.059.358.155.748.948.244.545.545.741.342.243.342.354.456.157.758.350.348.346.843.646.142.942.444.142.242.242.440.3

us-gaap:OperatingSegments, scco:MexicanOpenPit


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value4609465344704540440044204648469147104780478345794490457750045109514951715136509450685024487948244662450244184149391837643579326629642693
Percentage of PropertyPlantAndEquipmentNet48.749.247.349.747.847.649.649.950.050.950.949.249.050.255.057.258.359.158.659.459.659.859.161.360.659.759.457.756.556.355.354.252.650.4
Percentage of Assets26.127.026.427.927.827.328.328.430.730.833.032.032.032.636.336.538.138.238.839.039.639.238.737.534.940.038.236.034.133.431.929.927.825.0
Percentage of Assets us-gaap:OperatingSegments scco:MexicanOpenPit58.560.561.860.161.562.657.558.058.857.158.656.458.654.960.160.359.561.062.863.358.758.865.466.166.059.565.263.765.659.659.659.760.258.0

us-gaap:OperatingSegments, scco:PeruvianOperations


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3695370737353726377538323879387838703798379737453508344333893198308229862949279627202659258325962569256025132535250324542451233022342213
Percentage of PropertyPlantAndEquipmentNet39.139.239.540.741.141.341.441.341.140.540.440.238.337.837.335.834.934.133.632.632.031.731.333.033.433.933.835.336.136.737.938.639.641.4
Percentage of Assets20.921.522.022.923.923.623.623.525.224.426.226.225.024.524.622.922.822.122.321.421.320.820.520.219.222.821.822.021.821.821.921.321.020.5
Percentage of Assets us-gaap:OperatingSegments scco:PeruvianOperations76.875.472.274.079.581.877.375.878.181.978.978.877.078.678.669.366.468.069.865.666.766.565.273.570.570.265.773.073.071.669.366.165.569.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-31
Value414141414141871717171717
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.30.30.30.70.10.20.20.20.2

us-gaap:Goodwill us-gaap:PropertyPlantAndEquipmentByType

us-gaap:MiningPropertiesAndMineralRights


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-31
Value24242424242524
Percentage of Goodwill59.459.459.459.459.40.058.9
Percentage of Assets0.10.20.20.20.20.20.2
Percentage of Assets us-gaap:MiningPropertiesAndMineralRights0.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-31
Value25
Percentage of FiniteLivedIntangibleAssetsNet100.0
Percentage of Assets0.1

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value140141143144145148148152148147147150151153152147146155154152154155155202125109109110110109110110108108109
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.90.90.90.90.91.00.91.01.11.11.11.11.11.11.11.21.21.21.21.21.60.91.01.01.01.01.01.01.01.01.01.1

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value705.656441827423416769-5.4
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.04.33.32.42.11.60.9-0.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value9449619799941011102910461061107610921115
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.65.86.16.46.46.46.47.07.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1059481787888719490827115316713311514514512712514115916113721720223422126321619619926929527817719918516916216115012610841
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.50.50.50.50.40.60.60.50.51.11.21.00.81.01.10.91.01.11.21.31.11.71.52.11.92.31.91.71.82.52.82.61.71.82.22.02.02.01.91.61.30.7

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value560549594566554597598575630587673688621640659565548505584549559704646542548470549604508502500456452518475427384450443331342591558283
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.23.53.53.53.73.63.54.13.84.64.84.44.64.84.04.13.74.44.24.45.55.14.24.14.24.85.24.44.54.54.24.24.84.63.94.65.35.54.14.47.36.94.7

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4602843401904416116807211823218715218022611853163185121559.5393742298084917.47435128014418213612020426691
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.61.72.01.20.30.10.70.50.50.81.61.31.11.31.60.80.41.21.40.90.40.10.30.30.30.30.70.70.80.10.30.11.01.72.31.71.62.53.31.5

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1452137413841161891138714761432138511231216120710061179116897980098999993579898292086510151047115012241025852783736664921857110375895899279669710641139598
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.28.08.27.15.68.69.08.79.07.28.48.47.28.48.57.05.97.37.57.26.27.77.36.77.69.310.010.68.97.67.06.76.28.68.310.29.111.312.310.09.013.114.09.9

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value72717070696968
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.40.40.4

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4339323634322234353119333229213232291831353322363736386934331933323322333126122726241626
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.10.20.20.20.10.20.20.20.20.20.20.20.10.20.30.30.20.30.30.30.30.60.30.30.20.30.30.30.20.30.40.30.20.30.30.30.20.4

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value82708264828580178043806180728191717077266655647864706468646263726382640963646393639664166373644764914530456444324505467748654789476547714737313630383041303330733075309830781566
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.748.048.949.350.949.749.249.746.749.745.945.246.146.146.945.647.247.448.148.950.050.150.650.148.640.339.538.439.241.543.443.844.744.345.628.936.335.837.638.439.538.137.925.9

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value654565456544654365426941694069405961596059605959595859575957595659555954595459535952595259515950615242064206420542054205420442094209421442132741274127452745275027502760
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.038.038.640.341.442.842.342.138.938.441.141.642.442.443.242.644.144.045.045.646.646.547.346.346.137.436.436.536.537.337.538.539.539.140.625.332.732.334.134.435.334.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

scco:FixedRateSeniorUnsecuredNotes3.50PercentDue2022


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value299299298298298298299299299
Percentage of LongTermDebt4.64.35.05.05.05.07.17.17.1
Percentage of Assets1.81.82.12.22.32.42.62.72.9
Percentage of Assets scco:FixedRateSeniorUnsecuredNotes3.50PercentDue20220.00.00.00.00.00.00.00.00.0

scco:FixedRateSeniorUnsecuredNotes3.875PercentDue2025


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value497496496495495495
Percentage of LongTermDebt7.67.28.38.38.38.3
Percentage of Assets2.93.03.43.63.73.9
Percentage of Assets scco:FixedRateSeniorUnsecuredNotes3.875PercentDue20250.00.00.00.00.00.0

scco:FixedRateSeniorUnsecuredNotes5.25PercentDue2042


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value117511741174117311731172117911781178
Percentage of LongTermDebt18.016.919.719.719.719.728.028.028.0
Percentage of Assets6.97.28.18.58.99.310.210.511.3
Percentage of Assets scco:FixedRateSeniorUnsecuredNotes5.25PercentDue20420.00.00.00.00.00.00.00.00.0

scco:FixedRateSeniorUnsecuredNotes5.875PercentDue2045


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value147514751474147414731473
Percentage of LongTermDebt22.521.324.724.724.824.8
Percentage of Assets8.79.010.210.711.111.7
Percentage of Assets scco:FixedRateSeniorUnsecuredNotes5.875PercentDue20450.00.00.00.00.00.0

scco:FixedRateSeniorUnsecuredNotes6.75PercentDue2040


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value10871087108610861086108610921092109210921091
Percentage of LongTermDebt16.615.718.218.218.218.326.026.025.939.839.6
Percentage of Assets6.46.67.57.98.28.69.59.710.513.513.4
Percentage of Assets scco:FixedRateSeniorUnsecuredNotes6.75PercentDue20400.00.00.00.00.00.00.00.00.00.00.0

scco:SeniorUnsecured4.5NotesDue2050


Long
Period End2020-12-312019-12-31
Value977977
Percentage of LongTermDebt14.914.1
Percentage of Assets5.86.0
Percentage of Assets scco:SeniorUnsecured4.5NotesDue20500.00.0

scco:SeniorUnsecuredNotes7.50PercentDue2035


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value980979978978977976985985985985984
Percentage of LongTermDebt15.014.116.416.416.416.423.423.423.435.935.7
Percentage of Assets5.86.06.87.17.47.88.58.89.512.212.1
Percentage of Assets scco:SeniorUnsecuredNotes7.50PercentDue20350.00.00.00.00.00.00.00.00.00.00.0

scco:YankeeBondsSeriesB9.25PercentDue2028


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5151515151515151515156
Percentage of LongTermDebt0.80.70.90.90.90.91.21.21.21.92.0
Percentage of Assets0.30.30.40.40.40.40.40.50.50.60.7
Percentage of Assets scco:YankeeBondsSeriesB9.25PercentDue20280.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value6195619461936192619261916190619052115211521052105209520952085903
Percentage of LongTermDebt94.694.694.694.694.689.289.289.287.487.487.487.487.487.487.499.1
Percentage of Assets35.036.036.538.139.238.237.737.534.033.536.036.437.137.137.844.6
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value35035035035035075075075074974974974974974874851
Percentage of LongTermDebt5.45.45.45.45.410.810.810.812.612.612.612.612.612.612.60.9
Percentage of Assets2.02.02.12.22.24.64.64.54.94.85.25.25.35.35.40.4
Percentage of Assets us-gaap:FairValueInputsLevel20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value65456545654465436542654165416540556259605960595959585957595759565955595459545953595259525951595059524006400640054005420542044204420442044203273127312735273527402740274527501270
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.038.038.640.341.440.439.939.736.238.441.141.642.442.443.242.644.144.045.045.646.646.547.346.344.635.634.734.734.837.337.538.439.539.040.525.232.632.233.934.335.233.833.821.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1681441591401561831782052102068.880
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.80.90.91.01.11.11.21.41.30.10.6

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

scco:DefinedBenefitPostretirementHealthCarePlan


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value23201112
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1
Percentage of Assets scco:DefinedBenefitPostretirementHealthCarePlan0.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value55535150484747494846454443424140393938383736363534333231292928272625232323222020201919191818
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.30.30.30.30.30.20.20.30.30.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value128134128137134111112137757668585445373538373133353935444138566376737674676559544644438779757877
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.80.80.90.70.70.80.50.50.50.40.40.30.30.30.30.30.20.30.30.30.30.30.30.30.50.60.70.70.70.70.60.60.60.50.60.50.51.11.00.91.01.3

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value872890908924941960977
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.95.25.45.76.05.96.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value112112113112
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.60.70.70.7

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value104104112111
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.60.60.70.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value103103104103
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.60.60.60.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312020-09-30
Value103826
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.65.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-09-302019-06-302019-03-312019-01-01
Value9449619799941061107610921115
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.65.86.16.47.07.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1214124312721298
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets6.97.27.58.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value270281293303
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets1.51.61.71.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value79177525722470196821671668106821674066466567658665256346610765896292608458325696555553715262551658075636580458485946570555335382519850584765657745534472401541094000394238903875
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.743.742.643.243.241.441.541.443.942.845.346.046.545.244.347.146.645.044.143.643.441.941.842.943.550.150.250.751.750.649.449.248.846.945.960.754.452.749.851.451.348.547.964.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value7972757872767069686967636858687067886692661266306569638961496630633261245870573455925408529955525841566958365880597657345561540952245083478966014576449440364130402039613910389333953864
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.144.042.943.543.541.741.841.744.243.145.746.346.845.544.647.446.945.344.443.943.742.242.143.243.850.450.551.051.950.949.649.549.047.246.160.954.752.950.151.651.648.848.164.30.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

scco:HoldingCompany, us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-308.4-293.7-296.0-280.5-273.6-266.3-281.0-272.0-264.5-257.7-251.3-249.7-240.8-238.9-232.4-218.6-211.3
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.9-3.9-4.1-4.0-4.0-3.9-4.1-4.0-3.9-3.9-3.8-3.8-3.7-3.7-3.8-3.7-4.0
Percentage of Assets-1.7-1.7-1.7-1.7-1.7-1.6-1.7-1.6-1.7-1.7-1.7-1.7-1.7-1.7-1.7-1.7-1.7
Percentage of Assets scco:HoldingCompany us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-2767.4-2767.5-2767.5-2767.5-2767.9-2767.9-2767.9-2767.9-2767.9-2768.3-2768.3-2768.3-2768.3-2768.7-2768.7-2769.0-2697.6
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-34.7-36.5-38.0-39.1-40.3-40.9-40.4-40.3-40.8-41.4-41.9-41.8-42.1-43.3-45.0-47.2-50.9
Percentage of Assets-15.6-16.1-16.3-17.0-17.5-17.1-16.9-16.8-18.0-17.8-19.1-19.3-19.7-19.7-20.1-20.9-21.4
Percentage of Assets srt:ParentCompany us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-8.4-8.4-10.1-10.1-10.1-2.4-2.4-2.40.50.50.5-2.41.14.8136.2394.03212-126.423-13.061-23.477-26.554
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.00.00.00.0-0.00.00.10.10.10.3-3.2-0.3-0.7-0.7
Percentage of Assets-0.0-0.0-0.1-0.1-0.1-0.0-0.0-0.00.00.00.0-0.00.00.00.10.00.2-1.6-0.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value34543439344134253418341034243415340734003393339133823380337333583349334433403320103910341013993819
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest43.345.447.348.549.850.449.949.750.250.851.351.251.552.954.957.263.257.360.169.325.826.526.029.321.2
Percentage of Assets19.520.020.321.121.621.020.920.722.221.923.423.724.124.124.525.426.629.029.832.012.912.716.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value8.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.88.8468.8468.8468.8468.8468.8468.8468.846
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.30.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value55535150484747494846454443424138363228232019181416
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.60.50.50.50.50.50.40.4
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.30.20.30.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value7917752572247019682167166810682167406646656765866525634661075832526258045533476540153890387533813848
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.399.399.399.399.399.399.399.399.399.399.399.399.399.399.399.399.399.499.599.599.599.599.599.699.6
Percentage of Assets44.743.742.643.243.241.441.541.443.942.845.346.046.545.244.344.141.850.249.445.949.847.964.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value7538714668466642644663416435643963586265618662036142596557265455481243463394235038523595346929163220
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest94.594.394.194.093.893.893.893.793.793.693.693.693.593.493.192.990.874.561.049.195.492.089.185.983.3
Percentage of Assets42.641.540.440.940.839.139.239.041.440.342.743.343.742.541.641.238.237.630.322.647.844.257.30.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-3075.8-3061.2-3063.5-3048.0-3041.5-3034.2-3048.9-3039.9-3032.4-3026.0-3019.6-3018.0-3009.1-3007.6-3001.1-2987.6-2908.9-1900.686-1216.599-918.791-897.852-622.722-603.413-514.453
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-38.6-40.4-42.1-43.1-44.3-44.9-44.5-44.2-44.7-45.2-45.7-45.5-45.8-47.1-48.8-50.9-54.9-32.6-21.9-19.2-22.2-15.9-15.5-15.2
Percentage of Assets-17.4-17.8-18.1-18.8-19.2-18.7-18.6-18.4-19.8-19.5-20.8-21.1-21.4-21.4-21.8-22.6-23.1-16.5-10.9-8.8-11.1-7.7-10.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08800000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.08846000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value34543439344134253418341034243415340734003393339133823380337333683363336033583357335533533349333833423341334433483350334733403335333333343320331911951198103910391034
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.520.020.321.121.621.020.920.722.221.923.423.724.124.124.524.124.924.925.425.726.226.226.625.925.029.729.029.029.129.729.830.531.330.932.030.614.314.112.913.012.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value753871466846664264466341643564396358626561866203614259655726621159145707545553165157497448124782476345484346409638723618339430892846264223504144413040173852390337633581359534692916
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.641.540.440.940.839.139.239.041.440.342.743.343.742.541.644.443.842.241.240.740.338.838.237.235.740.437.635.533.632.130.328.326.724.522.638.249.347.347.848.848.344.144.257.30.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-8.4-8.4-8.4-10.1-10.1-10.1-10.1-2.4-2.4-2.4-2.40.50.50.50.5-2.4-2.4-2.4-2.41.11.11.11.14.8134.8134.8134.8136.0876.0226.0876.2394.0324.0324.0324.0327.4277.4277.4271240-37.383-60.696-126.423-13.061
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.10.10.10.10.00.00.00.00.10.10.10.20.5-0.5-0.7-1.6-0.2

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value30753061306330483041303430483039303230263019301830093007300129962991298929872987296729662908261723122267190016111290127512161055994931918902789760897883784630622618613603
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.417.818.118.819.218.718.618.419.819.520.821.121.421.421.821.422.122.122.622.923.223.223.120.317.320.216.514.011.211.310.99.79.38.68.88.39.48.911.111.010.17.87.78.18.210.0

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

scco:HoldingCompany, us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value308293296280273266281272264257251249240238232228222218
Percentage of TreasuryStockValue10.09.69.79.29.08.89.28.98.78.58.38.38.07.97.77.67.57.3
Percentage of Assets1.71.71.71.71.71.61.71.61.71.71.71.71.71.71.71.61.61.7
Percentage of Assets scco:HoldingCompany us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2767276727672767276727672767276727672768276827682768276827682769
Percentage of TreasuryStockValue90.090.490.390.891.091.290.891.191.391.591.791.792.092.192.392.7
Percentage of Assets15.616.116.317.017.517.116.916.818.017.819.119.319.719.720.120.9
Percentage of Assets srt:ParentCompany us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value55535150484747494846454443424140393938383736363534333231292928272625232323222020201919191818
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.30.30.30.30.30.20.20.30.30.3

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302011-06-302011-03-312010-06-302010-03-31
Value10617821095793419475541585414371446732406649696436353490287307264202515527307
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.630.946.637.323.527.629.231.522.821.226.342.522.135.337.426.023.130.90.00.00.011.332.20.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302011-06-302011-03-312010-06-302010-03-31
Value-360100000.0-237800000.0-618200000.0-133700000.0-103200000.0-60600000.0-250100000.0-65500000.0-85600000.0-172800000.0-266400000.0-467900000.0-260500000.0-301400000.0-330400000.0-203200000.0-238800000.0-246600000.0-228000000.0-202100000.0-120300000.0-111850000.0-228210000.0-122520000.0-67167000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.4-9.4-26.3-6.3-5.8-3.5-13.5-3.5-4.7-9.9-15.7-27.1-14.2-16.4-17.7-12.1-15.6-15.60.00.00.0-6.2-14.20.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302011-06-302011-03-312010-06-302010-03-31
Value-542.5-465.1-388.2-308.9-554.8-311.4-311.5667-309.0-309.3-309.4-309.4-231.7-232.8-193.4-108.4-92.5-61.8-38.7-56.7-38.4-629.766-501.6651092-366.572
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-18.7-18.4-16.5-14.5-31.1-18.1-16.835.9-17.0-17.6-18.3-17.9-12.6-12.6-10.4-6.5-6.0-3.90.00.00.0-35.0-31.30.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1278338336-242.8126-10.1118315-107.6-122.7-65.2-35.763206109-10.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.31.615.8-13.67.4-0.563.60.8-6.1-7.2-3.8-1.93.411.16.5-0.7

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value42-38.9-6.3-45.9-18.87.5-47.4-23.81138-33.8-2.28.4-23.9703-20.9-24.0-16.813-77.1-31.9-22.0-89.8481.558-40.212-24.698-100.742-76.2327-84.32-98.1-9.76916-5.745-20.3095631-12.509-19.757-81.68721-37.7436.397-32.311-20.3655.853
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19520019219619319218320019818117917016216217716917115317217416413513613112511610411311611011010193908981787672727270112726969
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value9.39.79.58.99.69.63.17.1138.88.12.4116.7-1.34.01.66.11010-11.46.6-18.8-0.1
Percentage of DepreciationDepletionAndAmortization4.84.84.94.55.05.01.73.56.64.84.51.47.24.1-0.72.40.94.05.85.8-6.94.9-13.7-0.1

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1213101010101213131214111111171312131015149.4109.07.97.79.18.77.87.89.67.67.16.7
Percentage of DepreciationDepletionAndAmortization6.66.95.75.55.35.56.76.86.77.17.86.76.86.89.77.77.38.75.99.18.86.97.56.86.36.68.77.66.77.18.77.57.67.4

us-gaap:OperatingSegments, scco:MexicanOpenPit


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value95959091939188918785909581921059710098979410764876260546550545449464340
Percentage of DepreciationDepletionAndAmortization48.947.747.046.448.347.447.945.544.246.850.855.750.457.159.457.458.464.356.554.265.448.064.247.748.246.362.444.547.349.544.745.546.244.5

us-gaap:OperatingSegments, scco:PeruvianOperations


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value77818185808180888474666157515655573554545354576057535250484750434241
Percentage of DepreciationDepletionAndAmortization39.840.642.443.641.442.143.744.142.541.236.936.135.632.031.632.533.423.031.730.932.840.242.245.645.845.350.344.141.742.745.442.945.145.7

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value37-38.2-67.80.6-86.0-70.41112567.55943285981723710583.454917874535459395810210693231915644-11.81212114-19.5548876-18.405-20.56510
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-43.22.8-124.135-104.810-56.0205048-55.2-22.52325-127.3-56.1-67.6-20.1-37.255-40.695171057-52.949-96.0451003.738-35.954-173.6270-5.684104-108.354557.782111225-27.154-32.721408.102-13.546-15.284
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302011-06-302011-03-312010-06-302010-03-31
Value10617821095793419475541585414371446732406649696436353490287307264202515527307
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.630.946.637.323.527.629.231.522.821.226.342.522.135.337.426.023.130.90.00.00.011.332.20.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value936767592508260216307391404389294370411471-286.24023003151721982221856299296283349325338324407345374497533219565623539665660480494367315385
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.330.325.223.914.612.616.621.022.222.217.421.522.425.6-15.424.019.619.90.00.00.00.00.00.021.422.323.722.122.724.026.525.026.530.632.314.134.134.532.338.136.630.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302011-06-302011-03-312010-06-302010-03-31
Value-360100000.0-237800000.0-618200000.0-133700000.0-103200000.0-60600000.0-250100000.0-65500000.0-85600000.0-172800000.0-266400000.0-467900000.0-260500000.0-301400000.0-330400000.0-203200000.0-238800000.0-246600000.0-228000000.0-202100000.0-120300000.0-111850000.0-228210000.0-122520000.0-67167000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.4-9.4-26.3-6.3-5.8-3.5-13.5-3.5-4.7-9.9-15.7-27.1-14.2-16.4-17.7-12.1-15.6-15.60.00.00.0-6.2-14.20.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value219232243134113101171182180173289282253295313212252245278275341223303316284245418411375323512488385316385258230177275153110721271129275
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302011-06-302011-03-312010-06-302010-03-31
Value-542.5-465.1-388.2-308.9-554.8-311.4-311.5667-309.0-309.3-309.4-309.4-231.7-232.8-193.4-108.4-92.5-61.8-38.7-56.7-38.4-629.766-501.6651092-366.572
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-18.7-18.4-16.5-14.5-31.1-18.1-16.835.9-17.0-17.6-18.3-17.9-12.6-12.6-10.4-6.5-6.0-3.90.00.00.0-35.0-31.30.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312020-09-302020-06-302015-12-312015-09-302015-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value0.00.04000.0200665.00.05.05.00.05.05.00.05.05.00.05.0
Percentage of RepaymentsOfLongTermDebt0.00.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.00.0100.0100.00.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value541463386309154309309309309309309309231231193108926138383823317979809799831001001011692022326203450159588522476493365314382365
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.540.1-1.643.918-0.0260.5080.0080.00100.3810.0150.0090.0470.3360.3350-0.0060.3630.0580.014-0.0110.3380.010.0480.0180.315-0.018-0.0150.0070.391-0.0080.013-0.0060.325-0.0190.0310.0120.3390.015-0.016-0.010.3310.014-0.008
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value935412867656476578459450400296
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNet dei:LegalEntity

scco:ForeignSubsidiaries


Deferred
Period End2020-12-312019-12-312018-12-31
Value2004001900
Percentage of DeferredTaxAssetsNet214.8740.71474.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value6658696921421430440031922122170753064
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefits us-gaap:IncomeTaxAuthority

us-gaap:ForeignCountry


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6658205205295393302
Percentage of UnrecognizedTaxBenefits100.0100.095.995.997.198.394.6

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value13431097819619
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0

scco:AmountCommittedForFundingSocialAndInfrastructureImprovementProjects scco:Site, us-gaap:StatementGeographical

scco:AmountCommittedForFundingSocialAndInfrastructureImprovementProjects

scco:DevelopmentFundMoqueguaRegion, country:PE


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.010000.00.00.010000.00.00.07000.00.00.07000.00.00.0700591
Percentage of AmountCommittedForFundingSocialAndInfrastructureImprovementProjects0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.0

scco:ToquepalaConcentratorExpansion, country:PE


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.04450.00.00.04450.00.00.04450.00.00.04450.00.00.044545
Percentage of AmountCommittedForFundingSocialAndInfrastructureImprovementProjects0.044.50.00.00.044.50.00.00.063.60.00.00.063.60.00.00.063.67.6

scco:AmountCommittedForFundingSocialAndInfrastructureImprovementProjects scco:Site, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement

scco:DevelopmentFundMoqueguaRegion, country:PE, scco:EducationalProject


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.01080.00.00.01080.00.00.01080.00.00.01080.00.00.0108
Percentage of AmountCommittedForFundingSocialAndInfrastructureImprovementProjects0.010.80.00.00.010.80.00.00.015.50.00.00.015.50.00.00.015.5

scco:DevelopmentFundMoqueguaRegion, country:PE, scco:SocialInvestmentForTaxes


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.986-0.7-0.20.087-142.50.00.0202590.00.01430.00.00.0143
Percentage of AmountCommittedForFundingSocialAndInfrastructureImprovementProjects0.08.70.00.00.08.80.00.00.028.90.00.00.020.40.00.00.020.4

scco:DevelopmentFundMoqueguaRegion, country:PE, scco:WaterTreatment


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.7780.00.00.0780.00.00.0480.00.00.0480.00.00.048
Percentage of AmountCommittedForFundingSocialAndInfrastructureImprovementProjects0.07.80.00.00.07.80.00.00.06.90.00.00.06.90.00.00.06.9

scco:AmountPaidOutForFundingUnderFinalAgreementForCandaraveProvince scco:Site, us-gaap:StatementGeographical, us-gaap:TypeOfArrangement

scco:AmountPaidOutForFundingUnderFinalAgreementForCandaraveProvince

scco:ToquepalaConcentratorExpansion, country:PE, scco:SocialInvestmentForTaxes


Amount
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.5690.0-0.670
Percentage of AmountPaidOutForFundingUnderFinalAgreementForCandaraveProvince100.0100.00.0100.0100.0

scco:AvailableForSaleSecuritiesWeightedAverageInterestRate

scco:AvailableForSaleSecuritiesWeightedAverageInterestRate


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value00.700.69300.007-0.0020.00200.0070000.00700-0.0010.008-0.0002-0.00090.0010.00790.00190.00040.00030.00460.00020.000100.004100.0001-0.00030.0044-0.0008-0.00030.00020.00520.0026-0.0005
Percentage of AvailableForSaleSecuritiesWeightedAverageInterestRate0.0100.00.0100.00.0100.0100.0100.00.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:CapitalizationOfDebtIssuanceCost

scco:CapitalizationOfDebtIssuanceCost


Capitalization
Period End2020-09-302019-12-312019-09-30
Value009800000.0
Percentage of CapitalizationOfDebtIssuanceCost0.00.0100.0

scco:CommitmentLiability scco:Site, us-gaap:StatementGeographical

scco:CommitmentLiability

scco:ToquepalaConcentratorExpansion, country:PE


Commitment
Period End2021-06-302021-03-312020-12-31
Value-3.639-14.8
Percentage of CommitmentLiability100.0100.0100.0

scco:CommitmentsForCapitalProjects

scco:CommitmentsForCapitalProjects


Commitments
Period End2021-06-302021-03-312020-12-31
Value-69.3322-109.3
Percentage of CommitmentsForCapitalProjects100.0100.0100.0

scco:CopperPriceAssumption

scco:CopperPriceAssumption


Copper
Period End2021-06-302021-03-312020-12-31
Value02.00
Percentage of CopperPriceAssumption0.0100.00.0

scco:CurrentAndRoyaltyTaxes

scco:CurrentAndRoyaltyTaxes


Current
Period End2021-06-302021-03-312020-06-302020-03-31
Value647507224221
Percentage of CurrentAndRoyaltyTaxes100.0100.0100.0100.0

scco:DonationsPaid us-gaap:RelatedPartyTransactionsByRelatedParty

scco:DonationsPaid

scco:GrupoMexicoSABDeCVAndAffiliates


Donations
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value300000.0500000.07000000.03000000.00700000.04100000.01400000.03400000.0
Percentage of DonationsPaid100.0100.0100.0100.00.0100.0100.0100.0100.0

scco:IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeIncomeLossFromEquityMethodInvestments

scco:IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value931759587505264215300387405387292366409467-293.23962973091651892181805495293280343319332318401343368488522205543620539665660
Percentage of IncomeLossFromContinuingOperationsAfterIncomeTaxesAndBeforeIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:InventoryOreStockpilesOnLeachPadsCapitalizedCosts

scco:InventoryOreStockpilesOnLeachPadsCapitalizedCosts


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value64545049435010711712212211313613012612713712812010990113124146127127104135849586887674686856485280332825
Percentage of InventoryOreStockpilesOnLeachPadsCapitalizedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:InventoryOreStockpilesOnLeachPadsRecognizedAsCostOfSales

scco:InventoryOreStockpilesOnLeachPadsRecognizedAsCostOfSales


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value62717177103105999695945984767986838182827678791015863501739403926282726161716181510.013101010
Percentage of InventoryOreStockpilesOnLeachPadsRecognizedAsCostOfSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:LongTermSupplyCommitment us-gaap:ProductOrService

scco:LongTermSupplyCommitment

scco:CopperCathodes


Long
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value048000.00048000.00048000.0
Percentage of LongTermSupplyCommitment0.0100.00.00.0100.00.00.0100.0

scco:CopperConcentrates


Long
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-10000.0198000.000870000.0001090000.0
Percentage of LongTermSupplyCommitment0.0412.50.00.01812.50.00.02270.8

scco:MolybdenumConcentrates


Long
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value041414.00024061.0340.0024106.0
Percentage of LongTermSupplyCommitment0.086.30.00.050.10.00.050.2

scco:SulfuricAcid


Long
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-162820.0485240.0690.0750.0292400.000331620.0
Percentage of LongTermSupplyCommitment0.01010.90.00.0609.20.00.0690.9

scco:MaximumPercentageOfAnnualGuaranteesSecured

scco:MaximumPercentageOfAnnualGuaranteesSecured


Maximum
Period End2021-06-302021-03-312019-06-24
Value050.050.0
Percentage of MaximumPercentageOfAnnualGuaranteesSecured0.0100.0100.0

scco:MiningRoyaltyTaxMexico

scco:MiningRoyaltyTaxMexico


Mining
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value604722138.1121816152816351021154.49.30.58.613
Percentage of MiningRoyaltyTaxMexico100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:MiningRoyaltyTaxMexico us-gaap:StatementGeographical

country:MX


Mining
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value604722138.1121816152816351021154.49.30.58.613182224
Percentage of MiningRoyaltyTaxMexico100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

scco:MiningRoyaltyTaxPeru

scco:MiningRoyaltyTaxPeru


Mining
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312015-09-302015-06-302015-03-31
Value27119.82.32.02.16.10.42.32.71.70.10.00.40.12.40.5
Percentage of MiningRoyaltyTaxPeru100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

scco:MiningRoyaltyTaxPeru us-gaap:StatementGeographical

country:PE


Mining
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value27119.82.32.02.16.10.42.32.71.70.10.00.40.00.00.0
Percentage of MiningRoyaltyTaxPeru100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0

scco:MolybdenumPriceAssumption

scco:MolybdenumPriceAssumption


Molybdenum
Period End2021-06-302021-03-312020-12-31
Value04.00
Percentage of MolybdenumPriceAssumption0.0100.00.0

scco:PercentageOfAnnualIncreaseInSalary us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

scco:PercentageOfAnnualIncreaseInSalary

country:PE, scco:LaborMatters


Percentage
Period End2021-12-312019-03-312018-12-312018-08-312018-09-302018-06-302016-03-31
Value5.00.050.050.050.050.050.05
Percentage of PercentageOfAnnualIncreaseInSalary100.0100.0100.0100.0100.0100.0100.0

scco:PercentageOfGuaranteeForPledgedOfficeComplex

scco:PercentageOfGuaranteeForPledgedOfficeComplex


Percentage
Period End2021-06-302021-03-312020-12-31
Value050.00
Percentage of PercentageOfGuaranteeForPledgedOfficeComplex0.0100.00.0

scco:PercentageOfOperatingOverProductionCapacity

scco:PercentageOfOperatingOverProductionCapacity


Percentage
Period End2020-12-312020-03-31
Value2.098.0
Percentage of PercentageOfOperatingOverProductionCapacity100.0100.0

scco:PercentageOfSecurityForStandByLetterOfCredit

scco:PercentageOfSecurityForStandByLetterOfCredit


Percentage
Period End2021-06-302021-03-312020-12-31
Value050.00
Percentage of PercentageOfSecurityForStandByLetterOfCredit0.0100.00.0

scco:PercentageOfWorkforceNotWorkingDueToPandemic us-gaap:StatementGeographical

scco:PercentageOfWorkforceNotWorkingDueToPandemic

country:MX


Percentage
Period End2021-06-302021-03-312020-09-30
Value-1.05.02.83
Percentage of PercentageOfWorkforceNotWorkingDueToPandemic100.0100.0100.0

country:PE


Percentage
Period End2021-06-302021-03-312020-09-30
Value13.020.032.64
Percentage of PercentageOfWorkforceNotWorkingDueToPandemic-1300.0400.01153.4

scco:PercentageWorkforceWorkingOnSiteUnderStrictSafetyMeasures us-gaap:StatementGeographical

scco:PercentageWorkforceWorkingOnSiteUnderStrictSafetyMeasures

country:MX


Percentage
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value1.095.096.170.430.4
Percentage of PercentageWorkforceWorkingOnSiteUnderStrictSafetyMeasures100.0100.0100.0100.0100.0

country:PE


Percentage
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-13.080.066.360.250.39
Percentage of PercentageWorkforceWorkingOnSiteUnderStrictSafetyMeasures-1300.084.269.058.197.5

scco:ProjectBudgetAmount scco:Site, us-gaap:StatementGeographical

scco:ProjectBudgetAmount

scco:TiaMaria, country:PE


Project
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.014000.00.00.014000.00.00.014000.00.00.014000.00.00.014000.00.00.014000.00.00.01400
Percentage of ProjectBudgetAmount0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

scco:RehabilitationOfMineTotalExpense scco:Site, us-gaap:StatementGeographical

scco:RehabilitationOfMineTotalExpense

scco:SanMartin, country:MX


Rehabilitation
Period End2020-12-31
Value2.5
Percentage of RehabilitationOfMineTotalExpense100.0

scco:RelatedPartyTransactionMaterialAffiliateTransactionThresholdAggregateConsiderationToBeAuthorizedByGeneralCounselAndCFO us-gaap:Range

scco:RelatedPartyTransactionMaterialAffiliateTransactionThresholdAggregateConsiderationToBeAuthorizedByGeneralCounselAndCFO

srt:Maximum


Related
Period End2021-06-302021-03-312020-12-31
Value010000000.00
Percentage of RelatedPartyTransactionMaterialAffiliateTransactionThresholdAggregateConsiderationToBeAuthorizedByGeneralCounselAndCFO0.0100.00.0

srt:Minimum


Related
Period End2021-06-302021-03-312020-12-31
Value08000000.00
Percentage of RelatedPartyTransactionMaterialAffiliateTransactionThresholdAggregateConsiderationToBeAuthorizedByGeneralCounselAndCFO0.080.00.0

scco:RelatedPartyTransactionsPercentageOfPowerSupplyToThirdPartyEnergyUsers us-gaap:RelatedPartyTransactionsByRelatedParty

scco:RelatedPartyTransactionsPercentageOfPowerSupplyToThirdPartyEnergyUsers

scco:EolicaElRetiro


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312014-08-04
Value7.39.3-1.911.4090.0610.03-25.21825.1220.0690.20900.27
Percentage of RelatedPartyTransactionsPercentageOfPowerSupplyToThirdPartyEnergyUsers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

scco:RelatedPartyTransactionsPercentageOfPowerSupplyToThirdPartyEnergyUsers us-gaap:StatementGeographical, us-gaap:RelatedPartyTransactionsByRelatedParty

country:MX, scco:MexicoGeneradoraDeEnergiaSDeRL


Related
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.22.701.0-6.1486.1540.0250.021-0.0490.050.030.14
Percentage of RelatedPartyTransactionsPercentageOfPowerSupplyToThirdPartyEnergyUsers-2.729.00.03333.324.424.536.210.00.00.00.00.0

scco:RoyaltyExpenses us-gaap:StatementGeographical

scco:RoyaltyExpenses

country:PE


Royalty
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value442120237.49.31011136.08.78.38.87.18.05.04.95.54.64.14.04.14.44.88.05.76.9116.77.77.99.27.110
Percentage of RoyaltyExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfTitleAcquiredByEmployeeEveryTwoYearsOnSharesPaidInPreviousTwoYears us-gaap:PlanName

scco:ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfTitleAcquiredByEmployeeEveryTwoYearsOnSharesPaidInPreviousTwoYears

scco:EmployeeStockPurchase2015Plan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value050.0049.500.50000.50000.50000.5000.50000.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfTitleAcquiredByEmployeeEveryTwoYearsOnSharesPaidInPreviousTwoYears0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.00.00.00.0100.0

scco:EmployeeStockPurchase2018Plan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-11-30
Value050.0049.500.50000.50.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfTitleAcquiredByEmployeeEveryTwoYearsOnSharesPaidInPreviousTwoYears0.0100.00.0100.00.0100.00.00.00.0100.00.0

scco:SpecialMiningTax

scco:SpecialMiningTax


Special
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value3021189.54.27.6126.17.78.16.50.68.95.92.54.60.47.87.43.8
Percentage of SpecialMiningTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:SpecialMiningTaxAccrued us-gaap:StatementGeographical

scco:SpecialMiningTaxAccrued

country:PE


Special
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value3021189.54.27.6126.17.78.16.50.68.95.92.54.60.47.87.43.88.77.6127.6
Percentage of SpecialMiningTaxAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:TradingSecuritiesWeightedAverageInterestRate

scco:TradingSecuritiesWeightedAverageInterestRate


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value00.30.30.099-0.0180.0190.001-0.005-0.0010.0250-0.0010.0040.0190.004-0.002-0.0010.0170.0086-0.00070.00540.0087-0.00330.0052-0.00640.0116-0.01580.0056-0.00070.01870.0160.00130.00620.01430.0087-0.0001-0.00320.0133-0.0034-0.0031
Percentage of TradingSecuritiesWeightedAverageInterestRate0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:TreasuryStockValueOtherActivityIncludingDividendInterestAndCurrencyTranslationEffect us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

scco:TreasuryStockValueOtherActivityIncludingDividendInterestAndCurrencyTranslationEffect

scco:HoldingCompany, us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value14-2.36.9-7.4-14.77.5136.48.91.96.55.1
Percentage of TreasuryStockValueOtherActivityIncludingDividendInterestAndCurrencyTranslationEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:TreasuryStockValueOtherActivityIncludingDividendInterestAndForeignCurrencyTransactionEffect us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

scco:TreasuryStockValueOtherActivityIncludingDividendInterestAndForeignCurrencyTransactionEffect

scco:HoldingCompany, us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value14-2.3156.97.3-14.79.07.56.86.41.68.91.96.5
Percentage of TreasuryStockValueOtherActivityIncludingDividendInterestAndForeignCurrencyTransactionEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:WaterVolumeAtGuaymasBay scco:Site

scco:WaterVolumeAtGuaymasBay

scco:MarineTerminalInGuaymas


Water
Period End2021-06-302021-03-312019-07-09
Value0.0340340
Percentage of WaterVolumeAtGuaymasBay0.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationAccretionExpense


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.16.13.53.73.63.84.03.33.23.02.52.73.03.28.52.80.56.1-4.17.37.16.80.34.95.32.97.32.21.62.00.72.56.7-1.8-6.64.3-0.9-0.8-0.9-0.8-0.9-0.8-0.9-0.8
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:AssetRetirementObligationLiabilitiesSettled


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.70.20.20.20.20.64.50.40.20.20.00.00.00.30.30.30.70.7-0.74.17.04.24.14.52.11.5-0.81.4-1.01.9
Percentage of AssetRetirementObligationLiabilitiesSettled100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.70.60.20.40.40.40.40.40.40.40.30.30.250.140.120.080.050.050.050.030.040.10.10.10.120.120.10.120.120.120.20.242.750.240.530.540.70.620.560.580.430.370.450.43
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Common
Period End2020-12-312020-09-30
Value0.50.4
Percentage of CommonStockDividendsPerShareCashPaid0.00.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:SubsequentEvent


Common
Period End2021-07-222021-04-22
Value0.90.7
Percentage of CommonStockDividendsPerShareDeclared100.0100.0

us-gaap:DebtInstrumentPeriodicPayment us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DebtInstrumentPeriodicPayment

scco:Asarco


Debt
Period End2021-06-302021-03-312020-09-302019-09-30
Value0500000.00500000.0
Percentage of DebtInstrumentPeriodicPayment0.0100.00.0100.0

us-gaap:DebtSecuritiesTradingUnrealizedGainLoss

us-gaap:DebtSecuritiesTradingUnrealizedGainLoss


Debt
Period End2021-03-312019-03-312018-12-312018-09-302018-06-302018-03-31
Value100000.0-100000.00-200000.0-100000.0-100000.0
Percentage of DebtSecuritiesTradingUnrealizedGainLoss100.0100.00.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:Range

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

srt:Maximum


Defined
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value100000.000100000.000
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.00.00.0100.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value0-100000.00-100000.0-200000.00-100000.000-100000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses0.0-100.00.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:Range, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

srt:Maximum, scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0100000.000100000.000100000.000100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit0.0100.00.00.0100.00.00.0100.00.00.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2021-03-31
Value100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value100000.000100000.00100000.000
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit0.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value900000.0800000.0800000.0700000.0700000.0700000.0900000.0900000.0900000.0800000.0700000.0900000.0900000.0900000.0600000.0900000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value400000.0400000.0400000.0300000.0300000.0300000.0200000.0200000.0300000.0200000.0200000.0200000.0300000.0200000.0200000.0200000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value400000.0300000.0500000.0300000.0400000.0500000.0500000.0400000.0500000.0400000.0400000.0400000.0400000.0400000.0300000.0400000.0
Percentage of DefinedBenefitPlanInterestCost100.075.0125.0100.0133.3166.7250.0200.0166.7200.0200.0200.0133.3200.0150.0200.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value400000.0500000.0400000.0300000.0300000.0300000.0200000.0100000.0200000.0200000.0200000.0100000.0200000.0200000.0100000.0200000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-100000.00200000.0200000.0100000.0-100000.00-100000.0-200000.0-100000.0-100000.0-200000.00-200000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-25.00.066.766.750.0-100.00.0-50.0-100.0-100.0-50.0-100.00.0-100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value300000.0400000.0400000.0300000.0300000.0400000.0300000.0300000.0200000.0300000.0200000.0300000.0200000.0300000.0200000.0200000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStockCash

us-gaap:NoncontrollingInterest


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.61.31.29999999999999960.20.32.32.51.00.00.10.30.30.70.3
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value541463386309154309309309309309309309231231
Percentage of DividendsCommonStockCash33818.835676.929730.8154600.051533.313443.512368.030920.00.0309200.0103100.0103066.733128.677300.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-31.94.0-51.0-14.3-4.12310-4.2-4.33.26.9-20.750-52.2
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnvironmentalCostsRecognizedCapitalizedInPeriod

us-gaap:EnvironmentalCostsRecognizedCapitalizedInPeriod


Environmental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value175.513101.512143613192928182667754138905466394436172241454916279.91211104.03.49.4
Percentage of EnvironmentalCostsRecognizedCapitalizedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnvironmentalCostsRecognizedCapitalizedInPeriod us-gaap:StatementGeographical

country:MX


Environmental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value165.4129.29.59.98.4379.49.08.28.86.61933591322383140296.68.53.73.26.99.81.36.49.59.110106.93.12.48.3
Percentage of EnvironmentalCostsRecognizedCapitalizedInPeriod96.598.294.786.0633.379.859.6102.771.846.927.830.636.575.450.478.832.957.343.058.560.874.214.823.520.714.516.821.82.639.534.591.988.493.865.177.570.688.3

country:PE


Environmental
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.60.13.02.55.7-1.03.7102120116.53316281651222610382714183435479.8180.81.40.73.70.91.01.1
Percentage of EnvironmentalCostsRecognizedCapitalizedInPeriod3.51.8200.020.240.4-2.728.253.172.269.463.524.649.621.267.142.757.041.539.225.885.276.579.385.583.278.297.460.565.58.111.66.234.922.529.411.7

us-gaap:EnvironmentalCostsRecognizedRecoveryCreditedToExpense us-gaap:StatementGeographical

us-gaap:EnvironmentalCostsRecognizedRecoveryCreditedToExpense

country:PE


Environmental
Period End2020-12-31
Value-700000.0
Percentage of EnvironmentalCostsRecognizedRecoveryCreditedToExpense100.0

us-gaap:ExplorationExpense

us-gaap:ExplorationExpense


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.56.4106.96.38.6106.97.45.59.36.09.15.29.98.15.75.1
Percentage of ExplorationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExplorationExpense us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.70.65.12.80.83.40.22.20.10.20.32.30.50.71.90.61.91.8
Percentage of ExplorationExpense49.59.447.240.612.739.52.031.91.43.63.238.35.513.519.27.433.335.3

us-gaap:ExplorationExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.91.31.71.82.22.92.02.32.62.01.71.11.21.32.01.90.90.7
Percentage of ExplorationExpense9.520.315.726.134.933.719.833.335.136.418.318.313.225.020.223.515.813.7

us-gaap:OperatingSegments, scco:MexicanOpenPit


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.70.50.60.40.80.70.40.50.50.40.50.40.50.60.80.70.70.5
Percentage of ExplorationExpense7.47.85.65.812.78.14.07.26.87.35.46.75.511.58.18.612.39.8

us-gaap:OperatingSegments, scco:PeruvianOperations


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.24.03.41.92.51.67.51.94.22.96.82.26.92.65.24.92.22.1
Percentage of ExplorationExpense33.762.531.527.539.718.674.327.556.852.773.136.775.850.052.560.538.641.2

us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations

us-gaap:FederalIncomeTaxExpenseBenefitContinuingOperations


Federal
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value529427287199207218214214225261212183140148939282117138111142195166187
Percentage of FederalIncomeTaxExpenseBenefitContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:ForeignCurrencyTransactionGainLossUnrealized


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6.319-25.7-4.10.828-7.5-1.0-7.1-2.313-4.80.0-26.4252.0-21.7-31.12.4-1.67.11.1-12.305-4.7338.2851033140.1195.688-2.5990.5732.831-13.894-18.476-3.35814-7.531158.9312.526-8.1790.303-6.2820.758-8.364
Percentage of ForeignCurrencyTransactionGainLossUnrealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.17.95.43.1-3.11.06.53.5-1.52.12.44.31.54.17.06.33.56.26.58.73.65.1
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value5.14.06.53.1-0.21.03.83.1-1.81.10.03.40.20.34.04.31.22.83.85.30.51.75.2152.0361.6580.49-0.63.1843.5833.4143.51.079-2.6548.1633.381-2.654162.654
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value203163113101144-123.2-9.254-89.55444-34.8-60.7-16.760210-49.5772886-43.37128-61.199-20.076-39.0526-68.956391046-1.148-101.299-79.664137-60.008-4.013-59.04775-72.194206-74.37430917-76.30157
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value78-1.3214268-66.6-102.440103-195.7-132.937175-178.083149113-195.171-23.1153-119.519704953-180.571-93.836161-27.23469-46.005170-252.40264-246.748345-199.645-34.855115189-382.981-24.25446612753-106.606
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalizedAdjustment

us-gaap:InterestCostsCapitalizedAdjustment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value7.37.28.17.56.05.16.67.06.212202021211.7181614181817152327
Percentage of InterestCostsCapitalizedAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsIncurred

us-gaap:InterestCostsIncurred


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value96969696981011019090909090909072908910589918990899286646667666566676665584847474748484749494523
Percentage of InterestCostsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDebtSecuritiesTradingOperating

us-gaap:InterestIncomeDebtSecuritiesTradingOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value200000.0400000.0600000.0-300000.0-300000.0700000.0500000.000100000.0300000.0100000.0100000.0100000.0
Percentage of InterestIncomeDebtSecuritiesTradingOperating100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeRelatedParty us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InterestIncomeRelatedParty

scco:Asarco


Interest
Period End2020-09-302020-06-302020-03-31
Value500000.0700000.0600000.0
Percentage of InterestIncomeRelatedParty100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.32.44.32.84.37.88.15.14.43.76.24.42.82.61.51.81.30.91.11.82.02.22.4622.9082.6832.8473.2663.7653.7154.5374.1955.5154.3065.9693.9933.8283.5633.8473.9383.6143.5342.7112.4052.0151.3282.052
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest us-gaap:Range

srt:Maximum


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.10.10.00.10.10.10.00.10.10.10.00.10.00.1
Percentage of InvestmentIncomeInterest7.74.20.03.62.31.30.02.02.32.70.02.30.03.8

us-gaap:LaborAndRelatedExpense us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LaborAndRelatedExpense

country:PE, scco:LaborMatters


Labor
Period End2021-06-302019-03-312018-12-312018-08-312018-09-302018-06-30
Value60000.045000.045000.045000.045000.045000.0
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value28282829282927292828
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value28282828282827292828
Percentage of OperatingLeaseExpense99.3100.099.699.799.799.799.3100.099.799.7

us-gaap:SellingGeneralAndAdministrativeExpenses


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.10.00.10.10.00.00.1
Percentage of OperatingLeaseExpense0.00.30.00.30.40.00.00.3

us-gaap:OperatingLeaseExpense us-gaap:Range, us-gaap:IncomeStatementLocation

srt:Maximum, scco:ExplorationExpense


Operating
Period End2020-09-302019-09-302019-06-302019-03-31
Value0.00.00.00.1
Percentage of OperatingLeaseExpense0.00.00.00.3

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-5200000.0-6700000.0-4300000.0-4200000.0-4100000.0-6900000.0-800000.0-3700000.0-3800000.0-3600000.0-31400000.0-3500000.06700000.01200000.02300000.0-3600000.0-1200000.0-6500000.0-6800000.0-7600000.0-7100000.0-6800000.0-4583000.0688000.0723000.0700000.0-3484000.0932000.0279000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302013-12-312013-09-302012-09-302012-03-312011-09-302011-06-302011-03-31
Value10-5.3-0.80.0-0.4-0.2-0.1-0.1-0.5-0.212-2.50.1-0.7-14.1541.981-0.093-0.0989.741-0.143-0.723
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromShortTermInvestments

us-gaap:PaymentsForProceedsFromShortTermInvestments


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-03-312010-03-31
Value1295.20.0-10.1-40.0-117.1-94.7-0.3185-5.86.0-9.6-12.61.46322.6-184.5-320.8413308489-254.769-306.12-81.8231664-501.86-29.46918870-397.8455.946146-294.694144-3.387
Percentage of PaymentsForProceedsFromShortTermInvestments100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.61.31.29999999999999960.20.32.32.11.00.00.10.30.30.60.3-0.30.30.10.2-0.0310.1190.2170.1950.2550.2070.1970.3020.2530.2310.3940.4721.360.5331.2480.4721.931.351.4122.1931.8351.6891.8221.149
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1400000.0-1300000.02500000.0300000.0-200000.0-2200000.0900000.0-800000.0300000.0-100000.01400000.0-200000.0200000.0-900000.0200000.0-200000.0300000.000300000.0-22000.00322000.0-832000.0278000.0528000.0273000.0222000.0263000.0532000.0258000.0277000.0154000.0451000.0153000.0152000.01505000.0714000.0142000.013000.0151000.0292000.075000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.00.10.00.00.00.10.00.10.10.10.00.11.00.40.30.20.30.80.20.40.20.30.30.20.40.00.40.50.20.90.30.40.90.40.40.63.07.7
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities0.0100.00.00.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions

us-gaap:PropertyPlantAndEquipmentAdditions


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2192322431341131011711821801732892822532953132122522452782753412233034162842454234113753235124883853163852582301772751531107312711292
Percentage of PropertyPlantAndEquipmentAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.32.21.91.22.62.32.32.41.01.11.20.7162.11.11.11.60.22.32.30.00.11.196
Percentage of PropertyPlantAndEquipmentAdditions1.00.90.80.92.32.31.31.30.60.60.40.26.50.70.40.50.60.10.80.80.00.00.423.1

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanIMMSAUnit


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1814161614252632222527109.81210126.07.09.68.7106.89.8148.86.614129.29.116131317
Percentage of PropertyPlantAndEquipmentAdditions8.36.16.711.912.725.015.617.612.514.49.53.63.94.33.46.02.42.93.53.23.13.03.23.43.12.73.53.12.42.83.12.73.55.7

us-gaap:OperatingSegments, scco:MexicanOpenPit


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value125149137766538635962586853796479718857157112157109219215202184287311267255361335307259
Percentage of PropertyPlantAndEquipmentAdditions57.164.356.556.557.837.837.232.534.733.923.819.031.321.925.533.735.223.356.640.946.248.972.251.771.075.167.875.671.378.870.568.679.881.9

us-gaap:OperatingSegments, scco:PeruvianOperations


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value73668741303578889488192217148216221127155181108151173107739167531138497571471226339
Percentage of PropertyPlantAndEquipmentAdditions33.628.636.030.727.234.945.948.652.351.166.377.158.373.170.759.861.873.739.155.150.748.124.221.923.621.626.820.626.017.928.725.016.612.4

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.40.60.69999999999999950.80.52.11.40.50.90.1110.50.60.3
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty us-gaap:RelatedPartyTransactionsByRelatedParty

scco:AmmincoApoyoAdministrativoS.a.DeC.v.


Related
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.24.54.54.4112.02.02.4
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty742.9562.5900.0209.5814.3400.0222.22400.0

scco:Asarco


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value6.53.79.655105625.4129.810.07.26.0176.87.610.06.6133.4128.66.28.19.27.07.7149.515113732
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty1625.0616.71371.46987.521180.02976.2385.72480.01088.910000.062.61200.02866.72266.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:BoutiqueBowlingDeMexicoSDeCV


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-31
Value0.10.10.10.10.10.10.10.20.00.10.10.10.00.10.10.10.10.10.00.2
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty25.016.714.312.520.04.87.140.00.0100.00.920.00.033.30.00.00.00.00.00.0

scco:EolicaElRetiro


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.40.20.20.30.40.10.00.91.20.81.40.90.70.60.90.41.10.91.2-0.20.50.5-0.5
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty100.033.328.637.580.04.80.0180.0133.3800.012.2180.0116.7200.00.00.00.00.00.00.00.00.00.0

scco:FerrocarrilMexicanoSADeCV


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value10109.01410129.0149.9108.7101210.09.31012108.812119.79.59.64.93.35.76.35.33.85.35.8
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty2675.01816.71285.71825.02040.0571.4642.92920.01100.010600.075.72020.02150.03333.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:GrupoMexicoSABDeCV


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value10511493146188147971009592948310399136941261161039910590798449673.53.43.53.53.43.5
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty26475.019000.013414.318300.037720.07019.06957.120040.010633.392300.0820.016600.017250.033233.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:GrupoMexicoSABDeCVAndAffiliates


Related
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value2.52.52.52.52.12.92.52.5-3.44.54.54.53.53.63.43.5-1.28.1-1.78.63.43.53.53.49171121306552
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty357.1312.5500.0119.0150.0580.0277.82500.0-29.6900.0750.01500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:GrupoMexicoServiciosSBDeCVAndAffiliates


Related
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.27.14.54.4
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty1800.01183.3900.0209.5

scco:MexicoCompaniaConstructoraSaDeCV


Related
Period End2020-12-312019-12-31
Value6.613
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty942.9950.0

scco:MexicoGeneradoraDeEnergiaSDeRL


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value6377565253515446455555423961554957616262525646342537454248
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty15800.012950.08014.36500.010720.02457.13921.49320.05055.655200.0484.38580.06600.020633.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:MexicoProyectosYDesarrollosSaDeCvAndAffiliates


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value1714-19.4111420241018
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty4250.02400.0-2425.02300.0681.04160.02755.610800.03720.0

scco:MexicoTransportesAereosSADeCV


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.30.40.70.41.90.3110.40.50.20.90.00.40.00.50.50.91.00.00.11.00.50.60.50.90.6
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty75.066.787.580.090.560.098.380.083.366.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:OperadoraDeCinemasSDeCV


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-31
Value0.00.13.40.00.00.12.20.10.10.00.00.10.00.00.00.20.00.3
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty0.016.7485.70.00.04.8157.1100.00.90.00.033.30.00.00.00.00.00.0

us-gaap:RevenueFromRelatedParties

us-gaap:RevenueFromRelatedParties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-03-312012-03-31
Value0.50.40.50.40.60.40.50.80.30.60.00.60.70.23610
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

scco:AmmincoApoyoAdministrativoS.a.DeC.v.


Revenue
Period End2020-12-31
Value0.0
Percentage of RevenueFromRelatedParties0.0

scco:Asarco


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7.86.919475.15.90.74.83.82.0-1.01134362.11240410.12.415190.60.635352.60.4160.035360.6110.411
Percentage of RevenueFromRelatedParties1560.01725.03860.011900.0850.01475.0140.0600.01266.7333.30.01983.34914.318250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.0100.3

scco:BoutiqueBowlingDeMexicoSDeCV


Revenue
Period End2020-12-312020-09-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.00.00.00.00.10.00.10.00.10.00.10.00.1
Percentage of RevenueFromRelatedParties0.00.00.00.016.70.050.00.00.00.00.00.00.0

scco:GrupoMexicoSABDeCV


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value3144366416151416101715225359254065662325335218265258274624
Percentage of RevenueFromRelatedParties6200.011200.07300.016050.02750.03925.02980.02037.53533.32850.00.03733.37571.429850.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

scco:MexicoGeneradoraDeEnergiaSDeRL


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value23371716119.814116.715151018232328252423221733172516222126242415100.60.1
Percentage of RevenueFromRelatedParties4640.09475.03440.04125.01900.02450.02820.01437.52233.32516.70.01750.02657.111600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.3

scco:MexicoTransportesAereosSADeCV


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.50.40.50.40.40.40.50.40.40.50.00.50.60.10.0-0.20.20.00.20.00.10.10.10.00.10.10.00.10.1
Percentage of RevenueFromRelatedParties100.0100.0100.0100.066.7100.0100.050.0133.383.30.083.385.750.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.3

scco:OperadoraDeCinemasSDeCV


Revenue
Period End2020-12-312020-09-302019-12-312018-12-312018-09-302017-12-312017-09-302016-12-31
Value0.00.00.00.00.00.10.00.0
Percentage of RevenueFromRelatedParties0.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

scco:EmployeeStockPurchase2015Plan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value02.630002.630002.630002.630002.6300
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

scco:EmployeeStockPurchase2018Plan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value01.8600
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.070.70.00.0

us-gaap:ShortTermLeaseCost us-gaap:Range

us-gaap:ShortTermLeaseCost

srt:Maximum


Short
Period End2021-06-302021-03-31
Value0100000.0
Percentage of ShortTermLeaseCost0.0100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued


Stock
Period End2021-06-30
Value100000.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued us-gaap:ConsolidatedEntities, us-gaap:StatementEquityComponents

srt:ParentCompany, us-gaap:TreasuryStock


Stock
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0400000.000400000.000400000.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued0.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-15.42.0-15.800000000000002-7.5-7.714-9.3-8.0-7.2-6.7-1.9-9.1-2.6-6.8
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-06-30
Value0.10.0-0.10.10.2-0.1
Percentage of StockholdersEquityOther-1.3-0.01.2-1.4-3.03.8

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


Treasury
Period End2021-06-302021-03-312018-03-312017-03-312016-12-312016-09-302016-08-312016-06-302016-03-312016-01-312015-12-312015-11-302015-10-312015-09-302015-08-312015-07-312015-06-302015-04-302015-03-312015-02-282015-01-312014-12-312014-11-302014-10-312014-09-302014-08-312014-07-312014-06-302014-03-212014-03-312014-01-312013-12-312013-11-302013-10-312013-09-302013-08-312013-07-312013-06-302013-05-312013-04-302012-12-312012-10-312012-09-302012-08-312012-06-302012-05-312012-04-232012-04-302011-12-312011-10-312011-09-302011-08-222011-08-312011-06-302011-05-31
Value0.01190.00.00.00.5876010.1150.02.23522.23524.44894.6351.5253.7242736.161.60381.51121.51124.5636492.5900765.9271543.1295241.2867675.8212134.4982634.9265340.7245160.4505320.1060791.8740791.7681.9423982.446491.55210.2040120.64141.31.350.78280.00150.430.432.763850.10.370.50.2784860.2784860.620.621.0696692.7628112.7628114.567520.0144
Percentage of TreasuryStockSharesAcquired0.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-08-312016-06-302016-03-312016-01-312015-12-312015-11-302015-10-312015-09-302015-08-312015-07-312015-06-302015-04-302015-03-312015-02-282015-01-312014-12-312014-11-302014-10-312014-09-302014-08-312014-07-312014-06-302014-03-212014-03-312014-01-312013-12-312013-11-302013-10-312013-09-302013-08-312013-07-312013-06-302013-05-312013-04-302012-12-312012-10-312012-09-302012-08-312012-06-302012-05-312012-04-232012-04-302011-12-312011-10-312011-09-302011-08-222011-08-312011-06-302011-05-31
Value0.029000.0182897-2915.50.00.0153.00.05353114123429916544444413376160873816814115823132.952494964425.6173539250.11515953.210148.48.415152881811470.5
Percentage of TreasuryStockValueAcquiredCostMethod0.0100.00.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease


Unrecognized
Period End2020-12-312018-06-302017-12-312017-09-302015-12-312015-09-302015-06-302014-12-312014-09-30
Value0.20.0-89.50.0800.00.0980.0
Percentage of UnrecognizedTaxBenefitsPeriodIncreaseDecrease100.00.0100.00.0100.00.00.0100.00.0

scco:AccruedWorkersParticipation

scco:AccruedWorkersParticipation


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21629924716689130174141981882061641151971761308415912597629912410688162198172120180192148103232266213152223245204133166222146
Percentage of AccruedWorkersParticipation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:AmountSpendAsOfCurrentDate scco:Site, us-gaap:StatementGeographical

scco:AmountSpendAsOfCurrentDate

scco:TiaMaria, country:PE


Amount
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value340338338338338336335333333355356355353350363363363362362
Percentage of AmountSpendAsOfCurrentDate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:DebtDiscountValuation

scco:DebtDiscountValuation


Debt
Period End2020-12-31
Value107
Percentage of DebtDiscountValuation100.0

scco:DeferredTaxAssetsCapitalizedExplorationExpenses

scco:DeferredTaxAssetsCapitalizedExplorationExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1314119.517202729243122
Percentage of DeferredTaxAssetsCapitalizedExplorationExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:DeferredTaxAssetsDeferredWorkersParticipation

scco:DeferredTaxAssetsDeferredWorkersParticipation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3724273.0
Percentage of DeferredTaxAssetsDeferredWorkersParticipation100.0100.0100.0100.0

scco:DeferredTaxAssetsProvisions

scco:DeferredTaxAssetsProvisions


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value169145155152
Percentage of DeferredTaxAssetsProvisions100.0100.0100.0100.0

scco:DeferredTaxAssetsSalesPriceAdjustmentPui

scco:DeferredTaxAssetsSalesPriceAdjustmentPui


Deferred
Period End2020-12-312019-12-312018-12-31
Value-5800000.03000000.02700000.0
Percentage of DeferredTaxAssetsSalesPriceAdjustmentPui100.0100.0100.0

scco:DeferredTaxAssetsSocialResponsibilityExpenses

scco:DeferredTaxAssetsSocialResponsibilityExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value4300000.02100000.02100000.02100000.0
Percentage of DeferredTaxAssetsSocialResponsibilityExpenses100.0100.0100.0100.0

scco:DeferredTaxAssetsTaxEffectOfPeruvianDeferredTaxLiability

scco:DeferredTaxAssetsTaxEffectOfPeruvianDeferredTaxLiability


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value11113116517416217125168333.738
Percentage of DeferredTaxAssetsTaxEffectOfPeruvianDeferredTaxLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax us-gaap:RetirementPlanType

scco:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.61.5-4.4-3.9
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.07.65.82.3
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax65.2506.7-131.8-59.0

scco:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax us-gaap:RetirementPlanType

scco:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-1900000.0-700000.01900000.01700000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-2300000.0-5400000.0-4300000.0-2000000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax121.1771.4-226.3-117.6

scco:DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearEight us-gaap:RetirementPlanType

scco:DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearEight

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-31
Value12
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearEight100.0

scco:DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearTen us-gaap:RetirementPlanType

scco:DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearTen

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-31
Value8600000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenYearFiveAndYearTen100.0

scco:DefinedBenefitPlanExpectedFutureBenefitPayments us-gaap:RetirementPlanType

scco:DefinedBenefitPlanExpectedFutureBenefitPayments

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-31
Value16147.4
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value222623
Percentage of DefinedBenefitPlanExpectedFutureBenefitPayments140.5186.4316.2

scco:IncomeTaxExpectedToBePaid

scco:IncomeTaxExpectedToBePaid


Income
Period End2021-12-31
Value600000.0
Percentage of IncomeTaxExpectedToBePaid100.0

scco:IncreaseInForeignTaxCredits us-gaap:IncomeTaxAuthority

scco:IncreaseInForeignTaxCredits

us-gaap:ForeignCountry


Increase
Period End2020-12-31
Value15
Percentage of IncreaseInForeignTaxCredits100.0

scco:InventoryOreStockpilesOnLeachPadsCurrent

scco:InventoryOreStockpilesOnLeachPadsCurrent


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value228250298279312385358356354351328308296316320317313308310304300271243250
Percentage of InventoryOreStockpilesOnLeachPadsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements scco:SettlementMonth, us-gaap:ProductOrService

scco:NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements

scco:April2021ThroughJune2021, scco:Molybdenum


Nonmonetary
Period End2021-03-31
Value11
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements100.0

scco:April2021ThroughSeptember2021, scco:Copper


Nonmonetary
Period End2021-03-31
Value135
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements1232.7

scco:July2019ToNovember2019, scco:Copper


Nonmonetary
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value14111383210123
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements0.00.00.00.00.0

scco:July2019ToSeptember2019, scco:Molybdenum


Nonmonetary
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value1218141413
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements0.00.00.00.00.0

scco:July2021ThroughNovember2021, scco:Copper


Nonmonetary
Period End2021-06-30
Value196
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements0.0

scco:July2021ThroughSeptember2021, scco:Molybdenum


Nonmonetary
Period End2021-06-30
Value11
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements0.0

scco:SettlementInJanuaryThroughApril2021, scco:Copper


Nonmonetary
Period End2020-12-31
Value139
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements0.0

scco:SettlementInJanuaryThroughMarch2021, scco:Molybdenum


Nonmonetary
Period End2020-12-31
Value12
Percentage of NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements0.0

scco:OreReservesCopperPriceConsideredToDetermineAveragePrice

scco:OreReservesCopperPriceConsideredToDetermineAveragePrice


Ore
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2.8162.822.642.52.612.993.363.653.683.262.972.9
Percentage of OreReservesCopperPriceConsideredToDetermineAveragePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:PercentageOfLaborUnionized us-gaap:StatementGeographical, us-gaap:LossContingenciesByNatureOfContingency

scco:PercentageOfLaborUnionized

country:PE, scco:LaborMatters


Percentage
Period End2021-06-302021-03-312020-12-312020-09-30
Value68.065.566.065.5
Percentage of PercentageOfLaborUnionized100.0100.0100.0100.0

scco:PercentageOfOwnershipByParent

scco:PercentageOfOwnershipByParent


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value88.988.988.988.90.8890.8890.8890.8890.8890.8890.8890.8890.8890.8860.8460.8230.8130.809
Percentage of PercentageOfOwnershipByParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:ProvisionalPriceOfSalesAgreementPerUnit scco:SettlementMonth, us-gaap:ProductOrService

scco:ProvisionalPriceOfSalesAgreementPerUnit

scco:April2021ThroughJune2021, scco:Molybdenum


Provisional
Period End2021-03-31
Value11.05
Percentage of ProvisionalPriceOfSalesAgreementPerUnit100.0

scco:April2021ThroughSeptember2021, scco:Copper


Provisional
Period End2021-03-31
Value3.99
Percentage of ProvisionalPriceOfSalesAgreementPerUnit36.1

scco:ProvisionalPriceOfSalesAgreementsPerUnit scco:SettlementMonth, us-gaap:ProductOrService

scco:ProvisionalPriceOfSalesAgreementsPerUnit

scco:SettlementInJanuaryThroughApril2021, scco:Copper


Provisional
Period End2020-12-31
Value3.52
Percentage of ProvisionalPriceOfSalesAgreementsPerUnit100.0

scco:SettlementInJanuaryThroughMarch2021, scco:Molybdenum


Provisional
Period End2020-12-31
Value10.03
Percentage of ProvisionalPriceOfSalesAgreementsPerUnit284.9

scco:ProvisionalPriceSalesAdjustmentsInAccountsReceivable us-gaap:ProductOrService

scco:ProvisionalPriceSalesAdjustmentsInAccountsReceivable

scco:Copper


Provisional
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value174.0-7.68.36.2-6.0-9.61.02.91.44.8
Percentage of ProvisionalPriceSalesAdjustmentsInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:Molybdenum


Provisional
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value14-8.2-2.414-0.4-0.1-16.50.63.7-3.47.3
Percentage of ProvisionalPriceSalesAdjustmentsInAccountsReceivable81.0-205.031.6175.9-6.51.7171.960.0127.6-242.9152.1

scco:ProvisionalPriceSalesAdjustmentsInAccountsReceivableAndNetSales us-gaap:ProductOrService

scco:ProvisionalPriceSalesAdjustmentsInAccountsReceivableAndNetSales

scco:Copper


Provisional
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-16.8-0.1-3.7-15.4-15.3-19.9-6.4-2.8-2.0-2.10.10.75.63.03.55.8-6.8
Percentage of ProvisionalPriceSalesAdjustmentsInAccountsReceivableAndNetSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

scco:Molybdenum


Provisional
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value792.3-2.8-28.8-20.6-6.0-5.7-4.1-0.3-13.86.43.9-11.910-1.1143.2
Percentage of ProvisionalPriceSalesAdjustmentsInAccountsReceivableAndNetSales-475.6-2300.075.7187.0134.630.289.1146.415.0657.16400.0557.1-212.5346.7-31.4250.0-47.1

scco:RehabilitationOfMineBudgetedCost scco:Site, us-gaap:StatementGeographical

scco:RehabilitationOfMineBudgetedCost

scco:SanMartin, country:MX


Rehabilitation
Period End2021-06-302021-03-312018-08-22
Value898797
Percentage of RehabilitationOfMineBudgetedCost100.0100.0100.0

scco:RemainingContractualObligationIfProjectDeveloped scco:Site, us-gaap:ProductOrService, us-gaap:StatementGeographical

scco:RemainingContractualObligationIfProjectDeveloped

scco:Michiquillay, scco:Copper, country:PE


Remaining
Period End2021-06-302018-06-30
Value375387
Percentage of RemainingContractualObligationIfProjectDeveloped100.0100.0

scco:StockRepurchaseProgramRepurchasePrice

scco:StockRepurchaseProgramRepurchasePrice


Stock
Period End2021-06-302021-03-312020-12-312020-09-30
Value64.3267.8765.1245.27
Percentage of StockRepurchaseProgramRepurchasePrice100.0100.0100.0100.0

scco:TaxCarryforwardNetOfUnrecognizedTaxBenefit us-gaap:IncomeTaxAuthority

scco:TaxCarryforwardNetOfUnrecognizedTaxBenefit

us-gaap:ForeignCountry


Tax
Period End2020-12-312016-12-312015-12-312014-12-31
Value973281187144
Percentage of TaxCarryforwardNetOfUnrecognizedTaxBenefit100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedPartiesNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedPartiesNoncurrent

scco:MexicoGeneradoraDeEnergiaSDeRL


Accounts
Period End2020-09-302020-05-31
Value1515
Percentage of AccountsReceivableRelatedPartiesNoncurrent100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:RetirementPlanType

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

scco:DefinedBenefitPostretirementHealthCarePlan


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-4.6-1.54.43.92.8
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-4.2-9.0-7.2-3.8-5.8
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax91.3600.0-163.6-97.4-207.1

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value5555505452722682652622512482482172152132202222252222222162102031971901131131141161491511521241241221201186463626261605959605948
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value555550545272268265262251248248217215213220222225222222216210203197190113113114116149151151124124122120118646362616160595948
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value16041078103156247235253371261764559451424831133627127527730766360666910131131998331641425497575356463506328301528652406874
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value16051079103156247235353471361864659551524831233727227727930966660967210161136646
Percentage of AssetsFairValueDisclosure100.0100.0100.1100.1100.1100.2100.1100.1100.1100.1100.1100.1100.3100.3100.3100.4100.4100.8100.7100.4100.5100.4100.3100.4100.8

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value600000.0700000.0700000.01000000.02100000.03100000.04500000.05100000.06100000.06200000.08700000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value600000.0700000.0700000.01000000.02100000.03300000.04900000.05700000.06500000.07300000.09300000.0
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value300000.0300000.0300000.0300000.0300000.0300000.0400000.0400000.0400000.0400000.0400000.0300000.0400000.0400000.0500000.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.050.00.00.00.057.10.00.00.057.10.00.00.050.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value200000.0200000.0300000.0300000.0300000.0300000.0300000.0300000.0400000.0400000.0300000.0300000.0300000.0400000.0400000.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.050.00.00.00.042.90.00.00.042.90.00.00.040.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value300000.0300000.0300000.0300000.0300000.0300000.0400000.0400000.0400000.0400000.0400000.0300000.0400000.0400000.0500000.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.050.00.00.00.057.10.00.00.057.10.00.00.050.0

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring, us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value200000.0200000.0300000.0300000.0300000.0300000.0300000.0300000.0400000.0400000.0300000.0300000.0300000.0400000.0400000.0
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.050.00.00.00.042.90.00.00.042.90.00.00.040.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value500000.0500000.0600000.0600000.0600000.0600000.0700000.0700000.0800000.0800000.0700000.0700000.0800000.0900000.01000000.0
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value500000.0500000.0600000.0600000.0600000.0600000.0700000.0700000.0800000.0800000.0700000.0700000.0800000.0900000.01000000.0
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashCashEquivalentsAndShortTermInvestments


Cash
Period End2020-12-31
Value2594
Percentage of CashCashEquivalentsAndShortTermInvestments100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments dei:LegalEntity

scco:ForeignSubsidiaries


Cash
Period End2020-12-31
Value1297
Percentage of CashCashEquivalentsAndShortTermInvestments50.0

us-gaap:CashCashEquivalentsAndShortTermInvestments us-gaap:ConcentrationRiskByBenchmark

us-gaap:CashEquivalents


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value25942005105810555978777021881
Percentage of CashCashEquivalentsAndShortTermInvestments100.00.00.00.00.00.00.00.0

us-gaap:CashCashEquivalentsAndShortTermInvestments us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark

country:CH, us-gaap:CashEquivalents


Cash
Period End2020-12-312019-12-312018-12-31
Value340126315
Percentage of CashCashEquivalentsAndShortTermInvestments13.10.00.0

country:MX, us-gaap:CashEquivalents


Cash
Period End2020-12-312019-12-312018-12-31
Value24912838
Percentage of CashCashEquivalentsAndShortTermInvestments9.60.00.0

country:PE, us-gaap:CashEquivalents


Cash
Period End2020-12-312019-12-312018-12-31
Value35247.6
Percentage of CashCashEquivalentsAndShortTermInvestments1.40.00.0

country:US, us-gaap:CashEquivalents


Cash
Period End2020-12-312019-12-312018-12-31
Value19681726697
Percentage of CashCashEquivalentsAndShortTermInvestments75.90.00.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-31
Value6651
Percentage of DebtInstrumentCarryingAmount100.0

us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentFaceAmount


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-04-202014-12-312012-11-30
Value665170516125612561256125200043254200
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

scco:YankeeBondsSeriesB9.25PercentDue2028


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value5151125125125125125125
Percentage of DebtInstrumentFaceAmount0.80.72.02.02.02.02.90.0

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscount


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-312011-12-31
Value676958606263454725
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument

scco:FixedRateSeniorUnsecuredNotes3.50PercentDue2022


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-31
Value0.20.30.50.50.70.70.81.0
Percentage of DebtInstrumentUnamortizedDiscount0.30.40.90.81.11.11.82.1

scco:FixedRateSeniorUnsecuredNotes3.875PercentDue2025


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.31.61.82.12.32.6
Percentage of DebtInstrumentUnamortizedDiscount1.92.33.13.53.74.1

scco:FixedRateSeniorUnsecuredNotes5.25PercentDue2042


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-31
Value1819191920202021
Percentage of DebtInstrumentUnamortizedDiscount27.527.333.032.732.532.146.345.5

scco:FixedRateSeniorUnsecuredNotes5.875PercentDue2045


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value161616161717
Percentage of DebtInstrumentUnamortizedDiscount23.823.628.227.927.527.1

scco:FixedRateSeniorUnsecuredNotes6.75PercentDue2040


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-312011-12-312010-12-31
Value6.97.17.37.47.57.77.88.08.08.1
Percentage of DebtInstrumentUnamortizedDiscount10.210.212.412.212.112.117.316.931.50.0

scco:SeniorUnsecured4.5NotesDue2050


Debt
Period End2020-12-312019-12-31
Value1212
Percentage of DebtInstrumentUnamortizedDiscount18.518.2

scco:SeniorUnsecuredNotes7.50PercentDue2035


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-312011-12-312010-12-31
Value12121213131414141415
Percentage of DebtInstrumentUnamortizedDiscount17.817.821.921.821.921.931.531.158.70.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-04-20
Value3940323334359.6
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument

scco:FixedRateSeniorUnsecuredNotes3.50PercentDue2022


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.30.50.60.80.91.1
Percentage of DeferredFinanceCostsNet0.81.21.92.42.63.1

scco:FixedRateSeniorUnsecuredNotes3.875PercentDue2025


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.21.51.82.02.22.4
Percentage of DeferredFinanceCostsNet3.03.75.66.06.36.7

scco:FixedRateSeniorUnsecuredNotes5.25PercentDue2042


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.26.36.56.66.76.8
Percentage of DeferredFinanceCostsNet15.715.420.119.619.319.0

scco:FixedRateSeniorUnsecuredNotes5.875PercentDue2045


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value8.58.68.88.99.19.2
Percentage of DeferredFinanceCostsNet21.621.127.226.526.125.7

scco:FixedRateSeniorUnsecuredNotes6.75PercentDue2040


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value5.65.75.85.96.16.1
Percentage of DeferredFinanceCostsNet14.214.018.017.617.517.0

scco:SeniorUnsecured4.5NotesDue2050


Deferred
Period End2020-12-312019-12-31
Value9.69.8
Percentage of DeferredFinanceCostsNet24.424.0

scco:SeniorUnsecuredNotes7.50PercentDue2035


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value8.08.38.48.88.99.1
Percentage of DeferredFinanceCostsNet20.320.326.026.225.625.4

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value234254230214185195183221208367400
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value224813714892
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-31
Value41146.1
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value625561472727321823238.0
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value199.9109.429221927321423
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value974731483280284187144280202174
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value8500000.010000000.09100000.07200000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.33.00.41.2102.19.80.10.52.18.2
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value174513713018213105125166216
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-1200000.0-1400000.0-1400000.0-1500000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-23.8-20.6-11.9-12.6
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value24171924
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet-102.9-86.9-163.0-192.1

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value24171924
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2320111212
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2933272725
Percentage of DefinedBenefitPlanBenefitObligation125.6163.6230.3220.0198.4

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-31
Value1500000.01300000.0900000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value3100000.03200000.02600000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths206.7246.2288.9

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-31
Value1600000.01400000.0900000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1800000.02300000.02000000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive112.5164.3222.2

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-31
Value1500000.01400000.0900000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value2000000.02000000.01900000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour133.3142.9211.1

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-31
Value1500000.01300000.0900000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1800000.02000000.01800000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree120.0153.8200.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-31
Value1600000.01300000.0900000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1700000.01900000.01700000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo106.2146.2188.9

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:PlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

scco:MexicanPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-31
Value2300000.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5451465144
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value23201112
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value24171924
Percentage of DefinedBenefitPlanFundedStatusOfPlan102.986.9162.2192.8

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1 us-gaap:PlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

scco:ExpatriatePlan, scco:DefinedBenefitPostretirementHealthCarePlan


Defined
Period End2020-12-31
Value4.2
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:ConsolidatedEntities, us-gaap:PlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

scco:HoldingCompany, scco:MexicanPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value22.00.20.22
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:PlanName, us-gaap:RetirementPlanType

scco:MexicanTreasuryBillSecurities, scco:MexicanPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value78.00.80.780.7
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations354.5400.0354.50.0

us-gaap:EquitySecurities, scco:MexicanPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value22.00.20.220.3
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.0100.0100.00.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:PlanName, us-gaap:RetirementPlanType

scco:MexicanPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value100.01.01.01.0
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations454.5500.0454.50.0

us-gaap:DueFromRelatedPartiesCurrent

us-gaap:DueFromRelatedPartiesCurrent


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2746234242353022919810190766626767446234028461532292632281037383033342.3371792.4551.0241.9883.7544.394.60632
Percentage of DueFromRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromRelatedPartiesCurrent us-gaap:ConsolidationItems

scco:CorporateAndEliminations


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7.87.67.18.58.67.97.98.28.89.0198.98.88.08.110
Percentage of DueFromRelatedPartiesCurrent28.316.330.520.020.422.426.336.89.79.219.69.811.512.131.044.9

us-gaap:DueFromRelatedPartiesCurrent us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, scco:MexicanOpenPit


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value183815333327221482898181675818
Percentage of DueFromRelatedPartiesCurrent68.581.766.180.079.677.673.763.290.390.880.490.288.587.969.0

us-gaap:OperatingSegments, scco:PeruvianOperations


Due
Period End2021-06-302021-03-312020-12-31
Value0.90.90.8
Percentage of DueFromRelatedPartiesCurrent3.31.93.4

us-gaap:DueFromRelatedPartiesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

scco:Asarco


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312013-03-312011-12-31
Value6.48.05.32