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Disclosures on equity - Other Reserves (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | $ 10,175 | $ 11,881 | $ 11,663
SQM Iberian S.A. |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 9,464 | 9,464 | 9,464
SQM Europe N.V. |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 354 | 1,957 | 1,957
Soquimich European Holding B.V. |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 828 | 828 | 828
Soquimich Comercial S.A. |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | (393) | (393) | (401)
SQM Australia Pty Ltd. |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 87 | 94 | 0
SQM Iberian S.A. 2 |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | (1,677) | (1,677) | (1,677)
Orcoma Estudios SPA |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 2,121 | 2,121 | 2,121
Pavoni And C. SpA |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 7 | 7 | 7
SQM Vitas Fzco. |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 85 | 85 | 85
SAS Adionics |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | 0 | 116 | 0
Other Subsidiaries |  |  |
Disclosures Of Equity [Line Items] |  |  |
Total Other reserves | $ (701) | $ (721) | $ (721)

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