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v3.19.1

Share capital - Summary of Outstanding Common Shares (Details) - CAD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017
NUMBER OF SHARES |  |  |
Shares issued for acquisitions |  | $ 1 | $ 1,594
Shares issued under employee stock option plan (in shares) |  | 266,941 | 2,555,863
Shares issued under employee stock option plan |  | $ 12 | $ 116
Repurchase of common shares (in shares) | (3,085,697) |  |
Repurchase of common shares | $ (175) |  |
Shares issued under ESP |  |  | 5
Common shares |  |  |
NUMBER OF SHARES |  |  |
Stated capital beginning of period | 20,091 | 20,091 |
Stated capital end of period |  | $ 20,036 | $ 20,091
Issued capital |  |  |
NUMBER OF SHARES |  |  |
Repurchase of common shares | $ (69) |  |
Issued capital | Common shares |  |  |
NUMBER OF SHARES |  |  |
Number of shares beginning of period (in shares) | 900,996,640 | 900,996,640 | 870,706,332
Stated capital beginning of period | $ 20,091 | $ 20,091 | $ 18,370
Shares issued for acquisitions |  | $ 1 | $ 1,594
Shares issued under employee stock option plan (in shares) |  | 266,941 | 2,555,863
Shares issued under employee stock option plan |  | $ 13 | $ 122
Repurchase of common shares (in shares) |  | (3,085,697) | 0
Repurchase of common shares |  | $ (69) | $ 0
Shares issued under ESP (in shares) |  | 0 | 91,731
Shares issued under ESP |  | $ 0 | $ 5
Number of shares end of period (in shares) |  | 898,200,415 | 900,996,640
Stated capital end of period |  | $ 20,036 | $ 20,091
Issued capital | Common shares | AlarmForce |  |  |
NUMBER OF SHARES |  |  |
Shares issued for acquisitions (in shares) |  | 22,531 |
Shares issued for acquisitions |  | $ 1 |
Issued capital | Common shares | MTS |  |  |
NUMBER OF SHARES |  |  |
Shares issued for acquisitions (in shares) |  |  | 27,642,714
Shares issued for acquisitions |  |  | $ 1,594

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