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Identification and activities of the Company and Subsidiaries - Employees (Details) - employee | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 8,344 | 7,682
In Chile |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 7,258 | 7,034
Outside Chile |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 1,086 | 648
Executives |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 192 | 170
Professionals |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 3,390 | 2,853
Technicians and operators |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 4,762 | 4,659
SQM S.A. |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 647 | 587
SQM S.A. | In Chile |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 647 | 587
SQM S.A. | Outside Chile |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 0 | 0
SQM S.A. | Executives |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 25 | 33
SQM S.A. | Professionals |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 211 | 190
SQM S.A. | Technicians and operators |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 411 | 364
Other Subsidiaries |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 7,697 | 7,095
Other Subsidiaries | In Chile |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 6,611 | 6,447
Other Subsidiaries | Outside Chile |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 1,086 | 648
Other Subsidiaries | Executives |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 167 | 137
Other Subsidiaries | Professionals |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 3,179 | 2,663
Other Subsidiaries | Technicians and operators |  |
Disclosure Of Information About Employees Explanatory [Line Items] |  |
Number of employees | 4,351 | 4,295

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