XML 168 R135.htm IDEA: XBRL DOCUMENT
v3.23.1

Property, plant and equipment - Provision for Spare Parts (Details) - Spare Parts - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [line items] |  |
Opening balance | $ 48,262 | $ 42,881
Increase in provisions | 3,810 | 5,381
Ending balance | $ 52,072 | $ 48,262

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Increase decrease in provisions for property plant and equipment. + References No definition available. + Details
Name: | sqm_IncreaseDecreaseInProvisionsForPropertyPlantAndEquipment
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Provision for property plant and equipment. + References No definition available. + Details
Name: | sqm_ProvisionForPropertyPlantAndEquipment
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sqm_SparePartsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |