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v3.22.4

Share-Based Payment Plans - Narrative (Details) $ / shares in Units, shares in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 CAD ($) shares $ / shares | Dec. 31, 2021 CAD ($) $ / shares | Dec. 31, 2020 CAD ($) $ / shares | Mar. 31, 2021 shares
Executive officers |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of share options granted (in shares) | 0.3 | 700,000 | 700,000 |
Weighted average exercise price (in CAD per share) | $ / shares | $ 12.66 | $ 9.86 | $ 9.17 |
PSUs and RSUs |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Performance period | 3 years |  |  |
Vesting period | 3 years |  |  |
Compensation expense (reversal) | $ 20,000,000 | $ 14,000,000 | $ 15,000,000 |
PSUs |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Performance period | 3 years |  |  |
RSUs |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Vesting period | 3 years |  |  |
DSUs |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Compensation expense (reversal) | $ 0 | 3,000,000 | 1,000,000 |
Stock Options |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of shares authorized (in shares) | shares | 14.5 |  |  | 14.5
Stock Options | Maximum |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Common shares issued and outstanding, percentage | 10.00% |  |  |
Stock Options | Executive officers |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Vesting period | 3 years |  |  |
Compensation expense (reversal) | $ 1,000,000 | $ 2,000,000 | $ 2,000,000 |
Expiration period of shares granted | 7 years |  |  |

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