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SEGMENT AND RELATED INFORMATION: - Provisional Sale (Details) lb in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) lb $ / lb | Dec. 31, 2021 USD ($)
Provisionally priced sales: |  |
Provisional price sales adjustment amounts included in net sales | $ (217.1) | $ 7.8
Copper |  |
Provisionally priced sales: |  |
Provisional price sales adjustment amounts included in accounts receivable | $ (49.9) | (1.2)
Copper | January through June 2023 |  |
Provisionally priced sales: |  |
Sales volume (in million lbs.) | lb | 276.5 |
Provisional price | $ / lb | 3.81 |
Molybdenum |  |
Provisionally priced sales: |  |
Provisional price sales adjustment amounts included in accounts receivable | $ (167.2) | $ 9.0
Molybdenum | January through March 2021 |  |
Provisionally priced sales: |  |
Sales volume (in million lbs.) | lb | 14.3 |
Provisional price | $ / lb | 31.85 |

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- Definition Aggregate notional amount of provisionally priced sales agreements with notional amounts expressed in nonmonetary units. + References No definition available. + Details
Name: | scco_NonmonetaryNotionalAmountOfProvisionallyPricedSalesAgreements
Namespace Prefix: | scco_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | instant

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- Definition The per unit price of provisionally priced sales agreements. + References No definition available. + Details
Name: | scco_ProvisionalPriceOfSalesAgreementPerUnit
Namespace Prefix: | scco_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the provisional sales price adjustment amounts included in net sales. + References No definition available. + Details
Name: | scco_ProvisionalPriceSalesAdjustmentInNetSales
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Represents the provisional sales price adjustment amounts included in accounts receivable. + References No definition available. + Details
Name: | scco_ProvisionalPriceSalesAdjustmentsInAccountsReceivable
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents the provisionally priced sales. + References No definition available. + Details
Name: | scco_ProvisionallyPricedSalesLineItems
Namespace Prefix: | scco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_ProductOrServiceAxis=scco_CopperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | scco_SettlementMonthAxis=scco_JanuaryThroughJune2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=scco_MolybdenumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | scco_SettlementMonthAxis=scco_SettlementInJanuaryThroughMarch2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |