VARIABLE INTEREST ENTITIES - Narrative (Details) - CAD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Affiliate loan receivable	$ 752	$ 954

Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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