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Decommissioning Liabilities - Summary of Decommissioning Provision (Detail) $ in Millions | 9 Months Ended
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Sep. 30, 2023 CAD ($)
Provision for decommissioning, restoration and rehabilitation costs [abstract] |
Beginning balance | $ 3,559
Liabilities Incurred | 12
Liabilities acquired | 5
Liabilities Settled | (156)
Liabilities disposed | (5)
Change in Estimated Future Cash Flows | 32
Unwinding of Discount on Decommissioning Liabilities (Note 4) | 165
Exchange Rate Movements | (9)
Ending balance | $ 3,603

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- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Section D Examples: disclosures -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D_TI -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 87 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_87&doctype=Standard -URIDate 2023-03-23 + Details
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