XML 41 R37.htm IDEA: XBRL DOCUMENT
v3.20.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details) - USD ($) $ in Millions | Jan. 01, 2020 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
LEASES: |  |  |
Right-of-use assets |  | $ 1,029.6 | $ 1,046.4
Lease obligation |  | $ 1,029.5 |
Inventory cost capitalization (decrease) | $ (48.8) |  |
Inventory consumption increase | $ 10.3 |  |

X
- Definition Inventory consumption increase or (decrease). + References No definition available. + Details
Name: | scco_InventoryConsumptionIncreaseDecrease
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Inventory cost capitalization increase or (decrease) + References No definition available. + Details
Name: | scco_InventoryCostCapitalizationIncreaseDecrease
Namespace Prefix: | scco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant