COMMITMENTS, CONTINGENCIES AND GUARANTEES - Guarantees (Details) $ in Millions	Dec. 31, 2021 CAD ($)
Commitments, Contingencies and guarantees
Maximum potential amount payable under indemnification agreements	$ 134

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

Name:	ifrs-full_DisclosureOfContingentLiabilitiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration