INVESTMENTS - Investment Types (Details) - CAD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Interests in Other Entities [Abstract]
Investments in publicly traded companies	$ 0	$ 1,200
Investments in private companies	118	53
Investments, measured at FVTOCI	118	1,253
Investments, associates and joint ventures	480	835
Total investments	$ 598	$ 2,088

The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries reported in separate financial statements]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2023-01-01
-Paragraph 10
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_10&doctype=Standard
-URIDate 2023-03-23

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant