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v3.23.1

Provisions and other non-financial liabilities - Narrative (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) ha
Minimum |
Disclosure of other provisions [line items] |
Research and development expense | $ 10,000,000
Minimum | Potassium-lithium operations |
Disclosure of other provisions [line items] |
Discount rate evaluation horizon | 8
Minimum | Nitrate-iodine operations |
Disclosure of other provisions [line items] |
Discount rate evaluation horizon | 11
Maximum |
Disclosure of other provisions [line items] |
Research and development expense | $ 15,000,000
Maximum | Potassium-lithium operations |
Disclosure of other provisions [line items] |
Discount rate evaluation horizon | 25
Maximum | Nitrate-iodine operations |
Disclosure of other provisions [line items] |
Discount rate evaluation horizon | 22
SQM Salar |
Disclosure of other provisions [line items] |
Area of land | ha | 140,000
Area of land, entitled | ha | 81,920
SQM |
Disclosure of other provisions [line items] |
Percentage of entity's revenue | 1.70%
SQM | Minimum |
Disclosure of other provisions [line items] |
Research and development expense | $ 10,800,000
SQM | Maximum |
Disclosure of other provisions [line items] |
Research and development expense | $ 18,900,000

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- Definition The amount of expenditure directly attributable to research or development activities, recognised in profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2022-03-24 -Paragraph 126 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2022-en-r&anchor=para_126&doctype=Standard -URIDate 2022-03-24 + Details
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