Accumulated Other Comprehensive Income (Details) - CAD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Analysis Of Other Comprehensive Income By Item [Abstract]
Derivative financial instruments designated as cash flow hedges	$ 70	$ 72
Foreign currency translation adjustment	231	100
Accumulated other comprehensive income	$ 301	$ 172

The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_AccumulatedOtherComprehensiveIncome
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant