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Consolidated Statements of Changes in Equity - CAD ($) $ in Millions | Total | Share capital | Share capital Common shares | Retained earnings | Retained earnings Common shares | Accumulated other comprehensive income (loss)
--- | --- | --- | --- | --- | --- | ---
Balance – beginning of year at Dec. 31, 2020 |  | $ 9,606 |  | $ 22,766 |  | $ 8
Issued upon exercise of stock options |  | 707 |  |  |  |
Previously recognized liability on stock options exercised ‍for common shares |  | 139 |  |  |  |
Net earnings | $ 7,664 |  |  | 7,664 |  |
Dividends on common shares |  |  |  | (2,355) |  |
Purchase of common shares under Normal Course Issuer Bid |  |  | $ (284) |  | $ (1,297) |
Other comprehensive (loss) income, net of taxes | (9) |  |  |  |  | (9)
Balance – end of year at Dec. 31, 2021 | 36,945 | 10,168 | 10,168 | 26,778 |  | (1)
Issued upon exercise of stock options |  | 442 | 442 |  |  |
Previously recognized liability on stock options exercised ‍for common shares |  | 387 | 387 |  |  |
Net earnings | 10,937 |  |  | 10,937 |  |
Dividends on common shares |  |  |  | (5,175) |  |
Purchase of common shares under Normal Course Issuer Bid |  |  | (703) |  | (4,868) |
Other comprehensive (loss) income, net of taxes | 210 |  |  |  |  | 210
Balance – end of year at Dec. 31, 2022 | 38,175 | 10,294 | 10,294 | 27,672 |  | 209
Issued upon exercise of stock options |  | 372 | 372 |  |  |
Previously recognized liability on stock options exercised ‍for common shares |  | 435 | 435 |  |  |
Net earnings | 8,233 |  |  | 8,233 |  |
Dividends on common shares |  |  |  | (4,028) |  |
Purchase of common shares under Normal Course Issuer Bid | (3,318) |  | (389) | (2,929) | $ (2,929) |
Other comprehensive (loss) income, net of taxes | (37) |  |  |  |  | (37)
Balance – end of year at Dec. 31, 2023 | $ 39,832 | $ 10,712 | $ 10,712 | $ 28,948 |  | $ 172

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