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Significant partly-owned subsidiary - Selected Income and Cash Flow Information (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of subsidiaries [line items] |  |
Operating revenues | $ 23,449 | $ 22,883
Net earnings | 2,892 | 2,699
Net earnings attributable to NCI | 52 | 65
Total comprehensive income | 4,763 | 3,153
Total comprehensive income attributable to NCI | 54 | 64
Subsidiaries with material non-controlling interests |  |
Disclosure of subsidiaries [line items] |  |
Operating revenues | 879 | 754
Net earnings | 158 | 202
Net earnings attributable to NCI | 51 | 64
Total comprehensive income | 164 | 200
Total comprehensive income attributable to NCI | 53 | 63
Cash dividends paid to NCI | 86 | 53
CTV Specialty hedge |  |
Disclosure of subsidiaries [line items] |  |
Total comprehensive income attributable to NCI | $ 5 | $ 5

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