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Joint Ventures - Narrative (Details) $ in Thousands |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
May 09, 2024 USD ($) | Mar. 27, 2024 USD ($) | Dec. 19, 2023 USD ($) | Dec. 18, 2023 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 | Dec. 31, 2017
SQM Vitas Perú S.A.C. |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Share of ownership in associates |  | 100.00% |  |  |  |  |  | 0.00% |  |
Investments in joint ventures accounted for using equity method |  | $ 10,116 |  |  |  |  |  |  |  |
SQM Vitas Perú S.A.C. | SQM Vitas Fzco |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Share of ownership in associates |  |  | 50.00% |  |  |  |  |  |  |
Other cash payments to acquire interests in joint ventures, classified as investing activities |  |  |  |  | $ 5,000 |  |  |  |  |
Pirra Lithium Pty Ltd. |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Share of ownership in associates |  |  |  |  |  | 40.00% | 37.50% | 40.00% |  |
Other cash payments to acquire interests in joint ventures, classified as investing activities |  |  |  |  |  | $ 3,544 | $ 3,544 |  |  |
Azure Minerals |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Share of ownership in associates | 50.00% |  |  |  |  |  |  | 50.00% |  |
Other cash payments to acquire interests in joint ventures, classified as investing activities | $ 356,846 |  |  |  |  |  |  |  |  |
Additional proportion of ownership interest in subsidiary acquired, percent | 0.3057 |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary | 50.00% |  |  |  |  |  |  |  | 19.43% |
SQM Vitas Brasil | SQM Vitas Fzco |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Share of ownership in associates |  |  | 100.00% |  |  |  |  |  |  |
Profit loss from sale of interests in associates |  |  | $ 2,600 |  |  |  |  |  |  |
Dividends received from joint ventures, classified as investing activities |  |  |  | $ 14,282 |  |  |  |  |  |
SQM Vitas Fzco |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Dividends received from joint ventures, classified as investing activities |  |  |  |  |  |  |  | $ 12,500 |  |
Mt Holland |  |  |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  |  |  |  |  |  |  |  | 50.00%
Contribution towards projects in joint operations |  |  |  |  |  |  |  | $ 840,900 |  |

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