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INCOME TAXES - Deferred income taxes (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | $ (3,439) | $ (3,196)
(Expense) recovery in net income | (284) | (111)
Recovery in other comprehensive income | 71 | (118)
Acquisitions | 0 | (14)
Deferred tax assets (liabilities), end of period | (3,652) | (3,439)
Tax losses in foreign jurisdictions, to be paid between 2023 and 2027 | 43 |
Tax losses in foreign jurisdictions, carried forward indefinitely | 30 |
Property, plant and equipment and inventory |  |
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | (1,608) | (1,484)
(Expense) recovery in net income | (122) | (122)
Recovery in other comprehensive income | 0 | 0
Acquisitions | 0 | (2)
Deferred tax assets (liabilities), end of period | (1,730) | (1,608)
Goodwill and other intangibles |  |
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | (1,578) | (1,450)
(Expense) recovery in net income | (175) | (116)
Recovery in other comprehensive income | 0 | 0
Acquisitions | (1) | (12)
Deferred tax assets (liabilities), end of period | (1,754) | (1,578)
Investments |  |
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | (135) | (130)
(Expense) recovery in net income | (1) | (2)
Recovery in other comprehensive income | 47 | (3)
Acquisitions | 0 | 0
Deferred tax assets (liabilities), end of period | (89) | (135)
Non-capital loss carryforwards |  |
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | 24 | 16
(Expense) recovery in net income | (19) | 8
Recovery in other comprehensive income | 0 | 0
Acquisitions | 1 | 0
Deferred tax assets (liabilities), end of period | 6 | 24
Contract and deferred commission cost assets |  |
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | (124) | (183)
(Expense) recovery in net income | 37 | 59
Recovery in other comprehensive income | 0 | 0
Acquisitions | 0 | 0
Deferred tax assets (liabilities), end of period | (87) | (124)
Other |  |
Movement of net deferred tax assets and liabilities |  |
Deferred tax assets (liabilities), beginning of period | (18) | 35
(Expense) recovery in net income | (4) | 62
Recovery in other comprehensive income | 24 | (115)
Acquisitions | 0 | 0
Deferred tax assets (liabilities), end of period | $ 2 | $ (18)

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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2022-03-24 + Details
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