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Basis of preparation of financial statements (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
United States of America, Dollars |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Closing rate | 4.8413 | 5.2177 | 5.5805
Average rate | 4.9954 | 5.1655 | 5.3956
Canada, Dollars |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Closing rate | 3.6522 | 3.8550 | 4.3882
Average rate | 3.7026 | 3.9705 | 4.3042
Euro Member Countries, Euro |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Closing rate | 5.3516 | 5.5694 | 6.3210
Average rate | 5.4023 | 5.4420 | 6.3784

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- Definition The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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