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Other current and non-current non-financial assets - Narrative (Details) $ in Thousands	Dec. 31, 2024 USD ($) stage	Dec. 31, 2023 USD ($)
Disclosure Of Disbursements For Exploration And Evaluation [Line Items]
Number of stages of exploration | stage	4
Construction in progress	$ 1,957,128	$ 1,834,041
Exploration and evaluation assets
Disclosure Of Disbursements For Exploration And Evaluation [Line Items]
Construction in progress	$ 14,787	$ 9,062

X

- Definition

The amount of expenditure capitalised during the construction of non-current assets that are not yet available for use. [Refer: Non-current assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 37
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_37&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Disclosure of disbursements for exploration and evaluation.

+ References

No definition available.

+ Details

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Namespace Prefix:	sqm_
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X

- Definition

Number of Stages of Exploration

+ References

No definition available.

+ Details

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Namespace Prefix:	sqm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: