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Inventories - Additional Information (Detail) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Classes of current inventories [abstract] |  |
Cost of inventories recognized as expense during period | $ 49,000 | $ 34,000

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- Definition The amount of inventories recognised as an expense during the period. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2022-03-24 -Paragraph 36 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2022-en-r&anchor=para_36_d&doctype=Standard -URIDate 2022-03-24 + Details
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