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Related party disclosures - Narrative (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Related Party Disclosures [Line Items] |  |
Provision for receivables | $ 7,075 | $ 8,815
Related parties |  |
Related Party Disclosures [Line Items] |  |
Provision for receivables | $ 800 | $ 1,378

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expired 2023-01-01 -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2023-03-23 + Details
Name: | ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Related party disclosures [Line Items] + References No definition available. + Details
Name: | sqm_RelatedPartyDisclosuresLineItems
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ifrs-full_OtherRelatedPartiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |