CAPITAL RISK MANAGEMENT - Debt Leverage Ratio (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 CAD ($)	Dec. 31, 2023 CAD ($)
Share Capital, Reserves And Other Equity Interest [Abstract]
Adjusted net debt	$ 43,330	$ 43,134
Divided by: trailing 12-month adjusted EBITDA	$ 9,617	$ 8,581
Debt leverage ratio	4.5	5.0

The amount of net debt of the entity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

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