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Related Party Transactions - Summary of Revenues and Associated Expenses (Detail) - Joint ventures where entity is venturer - Husky Midstream Limited Partnership - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of transactions between related parties [line items] |  |
Revenues from Construction and Management Services | $ 155 | $ 160
Transportation Expenses | $ 278 | $ 295

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- Definition The amount of goods purchased by the entity in related party transactions. [Refer: Total for all related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_21_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of revenue arising from the rendering of services in related party transactions. [Refer: Revenue; Total for all related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_21_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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