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INCOME TAXES - Unrecognized deferred tax assets (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Total unrecognized temporary differences | $ 159 | $ 183
Realized and accrued capital losses in Canada that can be applied against future capital gains |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Total unrecognized temporary differences | 73 | 75
Tax losses in foreign jurisdictions 1 |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Total unrecognized temporary differences | 73 | 68
Deductible temporary differences in foreign jurisdictions |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Total unrecognized temporary differences | $ 13 | $ 40

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- Definition The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_e&doctype=Standard -URIDate 2022-03-24 + Details
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