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Inventory - Schedule of Inventory (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Inventories [Abstract] |  |
Product inventory | $ 546 | $ 611
Materials, supplies and other | 1,488 | 1,204
Total inventory | 2,034 | 1,815
Cost of inventories recognised as expense during period | $ 29,000 | $ 33,000

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- Definition Inventories [Abstract] + References No definition available. + Details
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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 2023-01-01 -Paragraph 36 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_36_d&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition A classification of current inventory representing the amount of unrefined, unprocessed oil. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2023-01-01 -Paragraph 37 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_37&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of current inventories. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2023-01-01 -Paragraph 36 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_36_b&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_g&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 68 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_68&doctype=Standard -URIDate 2023-03-23 + Details
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