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v3.25.1

Other current and non-current non-financial assets - Movements in Assets for Exploration (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other Current And Non-Current Non-Financial Assets |  |  |
Opening balance | $ 57,458 | $ 44,023 | $ 26,752
Changes |  |  |
Additions | 10,701 | 12,002 | 11,341
Reclassifications from/to short-term (inventory) | (197) | 1,049 | (465)
Amortization of ground studies | (733) | (2,131) | (2,421)
Reclassification from construction in progress | (1,719) | 2,515 | 8,816
Total changes | 8,052 | 13,435 | 17,271
Ending balance | $ 65,510 | $ 57,458 | $ 44,023

X
- Definition The amount of additions to exploration and mineral resource, other than those acquired through business combinations. + References No definition available. + Details
Name: | sqm_AdditionsOtherThanBusinessCombinationsExplorationAndMineralResource
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortization of exploration and evaluation. + References No definition available. + Details
Name: | sqm_AmortizationOfExplorationAndEvaluation
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase decrease in prepaid stain development expenses and prospecting expense [Abstract] + References No definition available. + Details
Name: | sqm_IncreaseDecreaseInPrepaidStainDevelopmentExpensesAndProspectingExpenseAbstract
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total increase (decrease) in prepaid stain development expenses and prospecting expenses. + References No definition available. + Details
Name: | sqm_IncreaseDecreaseInPrepaidStainDevelopmentExpensesAndProspectingExpenses
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Current And Non-Current Non-Financial Assets + References No definition available. + Details
Name: | sqm_OtherCurrentAndNonCurrentNonFinancialAssets
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of prepaid stain development expenses and prospecting expenses. + References No definition available. + Details
Name: | sqm_PrepaidStainDevelopmentAndProspectingExpenses
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reclassification From Construction In Progress + References No definition available. + Details
Name: | sqm_ReclassificationFromConstructionInProgress
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of reclassifications to exploration and mineral resource + References No definition available. + Details
Name: | sqm_ReclassificationOfExplorationAndMineralResource
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration