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JOINT ARRANGEMENTS - Joint Ventures and Associates (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
JOINT ARRANGEMENTS |  |
Net (loss) earnings | $ (4,319) | $ 2,899
Other comprehensive income | (218) | (225)
Total Comprehensive (Loss) Income | (4,537) | 2,674
Joint ventures |  |
JOINT ARRANGEMENTS |  |
Net (loss) earnings | (10) | (7)
Total Comprehensive (Loss) Income | (10) | (7)
Carrying amount as at December 31 | 58 | 68
Associates |  |
JOINT ARRANGEMENTS |  |
Net (loss) earnings | 9 |
Total Comprehensive (Loss) Income | 9 |
Carrying amount as at December 31 | $ 68 | $ 76

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