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Disclosures on equity - Non-controlling Interests (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Net income attributable to non-controlling interests for the year ended | $ 6,724 | $ 7,076 | $ 7,973
Equity, non-controlling interests for the year ended | 37,248 | 36,230 |
Dividends paid to non-controlling interests for the year ended | $ 5,909 | 6,266 |
SQM Potasio S.A. |  |  |
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Proportion of interests in the ownership held by non-controlling interests, percentage | 0.00% |  |
Net income attributable to non-controlling interests for the year ended | $ 0 | 0 |
Equity, non-controlling interests for the year ended | 0 | 0 |
Dividends paid to non-controlling interests for the year ended | $ 0 | 0 |
Ajay SQM Chile S.A. |  |  |
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Proportion of interests in the ownership held by non-controlling interests, percentage | 49.00% |  |
Net income attributable to non-controlling interests for the year ended | $ 3,261 | 3,238 |
Equity, non-controlling interests for the year ended | 10,611 | 9,795 |
Dividends paid to non-controlling interests for the year ended | $ 2,446 | 2,429 |
Soquimich Comercial S.A. |  |  |
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Proportion of interests in the ownership held by non-controlling interests, percentage | 39.36168% |  |
Net income attributable to non-controlling interests for the year ended | $ 3,463 | 3,838 |
Equity, non-controlling interests for the year ended | 26,637 | 26,435 |
Dividends paid to non-controlling interests for the year ended | $ 3,463 | 3,837 |
Comercial Agrorama Ltda. |  |  |
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Proportion of interests in the ownership held by non-controlling interests, percentage | 30.00% |  |
Net income attributable to non-controlling interests for the year ended | $ 0 | 0 |
Equity, non-controlling interests for the year ended | 0 | 0 |
Dividends paid to non-controlling interests for the year ended | $ 0 | 0 |
SQM Indonesia S.A. |  |  |
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Proportion of interests in the ownership held by non-controlling interests, percentage | 20.00% |  |
Net income attributable to non-controlling interests for the year ended | $ 0 | 0 |
Equity, non-controlling interests for the year ended | 0 | 0 |
Dividends paid to non-controlling interests for the year ended | $ 0 | 0 |
SQM Thailand Limited |  |  |
Disclosure Of Noncontrolling interests Explanatory [Line Items] |  |  |
Proportion of interests in the ownership held by non-controlling interests, percentage | 0.002% |  |
Net income attributable to non-controlling interests for the year ended | $ 0 | 0 |
Equity, non-controlling interests for the year ended | 0 | 0 |
Dividends paid to non-controlling interests for the year ended | $ 0 | $ 0 |

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- Definition The amount of dividends paid to non-controlling interests. [Refer: Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B10 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B10_a&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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- Definition The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 12 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_e&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 81B -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_81B_a_i&doctype=Standard -URIDate 2024-03-27 + Details
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