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Consolidated Statements of Comprehensive Income (Loss) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Statement of comprehensive income [abstract] |  |
Profit (loss) for the year | $ 2,915 | $ (944)
Items that may be reclassified to profit (loss) |  |
Currency translation differences (net of taxes of $(2) and $(17)) | (43) | (100)
Change in fair value of debt securities (net of taxes of $nil and $nil) | (2) | 0
Items that may be reclassified to profit | (45) | (100)
Items that will not be reclassified to profit (loss) |  |
Change in fair value of marketable equity securities (net of taxes of $1 and $(3)) | (4) | 24
Remeasurements of retirement benefit plans (net of taxes of $(91) and $29) | 171 | (50)
Items that will not be reclassified to profit | 167 | (26)
Total other comprehensive income (loss) for the year | 122 | (126)
Total comprehensive income (loss) for the year | 3,037 | (1,070)
Total other comprehensive income (loss) attributable to: |  |
Shareholders of the company | 126 | (112)
Non-controlling interests | (4) | (14)
Total other comprehensive income (loss) for the year | 122 | (126)
Total comprehensive income (loss) attributable to: |  |
Shareholders of the company | 2,994 | (976)
Non-controlling interests | 43 | (94)
Total comprehensive income (loss) for the year | $ 3,037 | $ (1,070)

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