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Related parties - Subsidiaries and joint ventures (Details) |  | 12 Months Ended
--- | --- | ---
Feb. 01, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Methanex Asia Pacific Limited |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex Services (Shanghai) Co., Ltd. |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex Europe NV |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex Methanol Company, LLC |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Egyptian Methanex Methanol Company S.A.E. ("Methanex Egypt") |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 50.00% | 50.00%
Methanex Chile SpA |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex New Zealand Limited |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex Trinidad (Titan) Unlimited |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex USA LLC |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Methanex Louisiana LLC |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % |  | 100.00% | 100.00%
Waterfront Shipping Company Limited |  |  |
Disclosure of subsidiaries [line items] |  |  |
Interest % | 60.00% | 100.00% | 100.00%
Atlas Methanol Company Unlimited |  |  |
Disclosure of associates [line items] |  |  |
Interest % |  | 63.10% | 63.10%

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