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v3.23.1

Other current and non-current non-financial assets - Conciliation of Explorations in Execution (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Other current and non-current non-financial assets |  |
Opening balance | $ 1,000 | $ 2,666
Disbursements | 4,227 | 1,736
Reclassifications | (1,528) | (3,402)
Total changes | 2,699 | (1,666)
Total | $ 3,699 | $ 1,000

X
- Definition Changes of explorations in execution. + References No definition available. + Details
Name: | sqm_ChangesOfExplorationsInExecution
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Disbursements of explorations in execution. + References No definition available. + Details
Name: | sqm_DisbursementsOfExplorationsInExecution
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | sqm_DisclosureOfOtherNonfinancialAssetsAbstract
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Explorations in execution. + References No definition available. + Details
Name: | sqm_ExplorationsInExecution
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reclassifications of explorations in execution. + References No definition available. + Details
Name: | sqm_ReclassificationsOfExplorationsInExecution
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total explorations in execution. + References No definition available. + Details
Name: | sqm_TotalExplorationsInExecution
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant