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Joint Ventures - Narrative (Details) $ in Thousands |  |  |  | 3 Months Ended | 12 Months Ended | 60 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 19, 2023 USD ($) | Dec. 18, 2023 USD ($) | Feb. 09, 2021 USD ($) subsidiary | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2017 | Dec. 31, 2025 USD ($)
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  | 2 |  |  |  |  |
Sichuan SQM Migao Chemical Fertilizers Co Ltd. |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Sales contracts and interest in the joint venture |  |  | $ 11,500 |  |  |  |  |
Mt Holland |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Ownership Interest, percentage |  |  |  |  |  |  | 50.00% |
Contribution towards projects in joint operations |  |  |  |  |  | $ 720,600 |  |
Pending contribution towards investment |  |  |  |  |  | $ 124,000 |  |
Mt Holland | Forecast |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Other cash payments to acquire interests in joint ventures, classified as investing activities |  |  |  |  |  |  |  | $ 700,000
Production capacity, metric tons |  |  |  |  |  |  |  | 50
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 |  |  |  |  |  |
Pirra Lithium Pty Ltd. |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Other cash payments to acquire interests in joint ventures, classified as investing activities |  |  |  |  | $ 3,544 |  |  |
Share of ownership in associates |  |  |  |  | 37.50% | 37.50% |  |
SQM Vitas Perú S.A.C. |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Share of ownership in associates |  |  |  |  |  | 50.00% |  |
SQM Vitas Perú S.A.C. | SQM Vitas Fzco | Forecast |  |  |  |  |  |  |  |
Disclosure of joint ventures [line items] |  |  |  |  |  |  |  |
Other cash payments to acquire interests in joint ventures, classified as investing activities |  |  |  | $ 5,000 |  |  |  |
Share of ownership in associates |  |  |  | 50.00% |  |  |  |

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