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v3.25.1

Significant accounting policies - Minimum Dividend (Details) | 12 Months Ended
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Dec. 31, 2024
Minimum |
Significant Accounting Policies [Line Items] |
Cash dividend rate, percentage | 30.00%

X
- Definition The percentage of cash dividend the company expected to pay. + References No definition available. + Details
Name: | sqm_CashDividendRate
Namespace Prefix: | sqm_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Significant accounting policies [Line Items] + References No definition available. + Details
Name: | sqm_SignificantAccountingPoliciesLineItems
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |