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Financial instruments - Reconciliation of Asset and Liability Hedging Derivatives (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Hedge-to-debt derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Hedging derivative, beginning balance | $ (10,061) | $ (81,597)
Hedging derivative, ending balance | 2,520 | (10,061)
Hedging derivatives to investment |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Hedging derivative, beginning balance | (29,984) | 12,613
Hedging derivative, ending balance | (18,300) | (29,984)
Non-hedging derivatives disbursement SQM Australia Pty asset |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Hedging derivative, beginning balance | 7,139 | 0
Hedging derivative, ending balance | 1,437 | 7,139
Non-hedging derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Hedging derivative, beginning balance | (1,642) | (418)
Hedging derivative, ending balance | (14,275) | (1,642)
Cash Flow | Hedge-to-debt derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | (14,850) | 8,616
Cash Flow | Hedging derivatives to investment |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | (10,082) | (52,698)
Cash Flow | Non-hedging derivatives disbursement SQM Australia Pty asset |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | 1,183 | 2,022
Cash Flow | Non-hedging derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | (18,034) | (39,878)
Income Statement | Hedge-to-debt derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | 6,631 | 37,494
Income Statement | Hedging derivatives to investment |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | 18,171 | 16,104
Income Statement | Non-hedging derivatives disbursement SQM Australia Pty asset |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | (1,183) | 0
Income Statement | Non-hedging derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | 5,401 | 38,653
Equity and Others | Hedge-to-debt derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | 20,800 | 25,426
Equity and Others | Hedging derivatives to investment |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | 3,595 | (6,003)
Equity and Others | Non-hedging derivatives disbursement SQM Australia Pty asset |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | (5,702) | 5,117
Equity and Others | Non-hedging derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Gain (loss) on hedging derivatives | $ 0 | $ 0

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The gain (loss) on the change in fair value of the hedging instrument used as a basis for recognising hedge ineffectiveness. Hedge ineffectiveness is the extent to which the changes in the fair value or the cash flows of the hedging instrument are greater or less than those on the hedged item. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 24A -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of a hedging instrument, recognised as an asset (liability). [Refer: Hedging instruments [member]] + References No definition available. + Details
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