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v3.19.3.a.u2

Common Shares - The effects of the Corporation's purchase and cancellation of the common shares (Details) - CAD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of classes of share capital [line items] |  |  |
Deficit | $ (1,455) | $ (1,496) |
NCIB Program |  |  |
Disclosure of classes of share capital [line items] |  |  |
Number of shares issued and fully paid | 7,716,300 | 3,264,500 |
Par value per share | $ 8.80 | $ 7.02 |
Issued capital (Note 24) | $ 68 | $ 23 |
Weighted average share price | 83 | 35 |
Deficit | 15 | 12 |
Common shares |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issued capital (Note 24) | $ 2,978 | $ 3,059 | $ 3,094

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