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Debt and Capital Structure - Schedule of Short-Term Borrowings (Detail) - CAD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of detailed information about borrowings [line items] |  |
Short-Term Borrowings | $ 179 | $ 115
Uncommitted Demand Facilities |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-Term Borrowings | 0 | 0
WRB Refining LP |  |
Disclosure of detailed information about borrowings [line items] |  |
Short-Term Borrowings | $ 179 | $ 115

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- Definition The amount of current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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