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Sale of interest in subsidiary | 12 Months Ended
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Dec. 31, 2022
Interests In Other Entities [Abstract] |
Sale of interest in subsidiary | Sale of interest in subsidiary:In 2022, the Company completed the sale of a 40% equity interest in Waterfront Shipping Limited ("WFS") for cash proceeds of approximately $149 million. The sale reduces the Company's interest in WFS to 60% while retaining control of the consolidated WFS group of companies. The sale has been accounted for as a transaction between equity holders as Methanex controls WFS before and after the transaction and the $126 million gain on sale has been reflected as an increase in shareholders' equity.

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- Definition The disclosure of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B4 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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