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Consolidated Statements of Changes in Equity - CAD ($) $ in Millions | Total | Issued capital Class A Common Shares | Issued capital Class B Subordinate Voting Shares | Retained earnings | Contributed surplus | Accumulated other comprehensive income attributable to shareholders of the company | Non-controlling interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning of year at Dec. 31, 2022 |  |  | $ 6,133 | $ 18,065 | $ 207 | $ 1,062 | $ 1,038
Share repurchases (Note 29(i)) |  |  | (60) | (190) |  |  |
Issued on exercise of options |  |  | 83 |  | (20) |  |
Issued on dual class amendment (Note 29(b)) |  |  | 302 | (302) |  |  |
Profit for the year attributable to shareholders of the company | $ 2,409 |  |  | 2,409 |  |  |
Dividends paid (Note 29(h)) |  |  |  | (515) |  |  |
Remeasurements of retirement benefit plans | 134 |  |  | 151 |  | 151 |
Share option compensation expense (Note 29(d)) |  |  |  |  | 26 |  |
Other comprehensive income (loss) |  |  |  |  |  | (218) |
Loss for the year attributable to non-controlling interests | (101) |  |  |  |  |  | (101)
Other comprehensive income (loss) attributable to non-controlling interests |  |  |  |  |  |  | (18)
Change from the NSC/POSCO transaction (Note 5) |  |  |  |  |  |  | 0
Sale of steelmaking coal business (Note 5) |  |  |  | 0 |  |  | 0
Contributions from non-controlling interests |  |  |  |  |  |  | 439
Distributions to non-controlling interests |  |  |  |  |  |  | (54)
End of year at Dec. 31, 2023 | 28,292 | $ 6 | 6,458 | 19,618 | 213 | 693 | 1,304
Share repurchases (Note 29(i)) |  |  | (251) | (1,010) |  |  |
Issued on exercise of options |  |  | 228 |  | (56) |  |
Issued on dual class amendment (Note 29(b)) |  |  | 0 | 0 |  |  |
Profit for the year attributable to shareholders of the company | 406 |  |  | 406 |  |  |
Dividends paid (Note 29(h)) |  |  |  | (514) |  |  |
Remeasurements of retirement benefit plans | (5) |  |  | 46 |  | 46 |
Share option compensation expense (Note 29(d)) |  |  |  |  | 21 |  |
Other comprehensive income (loss) |  |  |  |  |  | 1,750 |
Loss for the year attributable to non-controlling interests | (123) |  |  |  |  |  | (123)
Other comprehensive income (loss) attributable to non-controlling interests |  |  |  |  |  |  | 34
Change from the NSC/POSCO transaction (Note 5) |  |  |  |  |  |  | 3,155
Sale of steelmaking coal business (Note 5) |  |  |  | (1,485) |  |  | (3,261)
Contributions from non-controlling interests |  |  |  |  |  |  | 263
Distributions to non-controlling interests |  |  |  |  |  |  | (353)
End of year at Dec. 31, 2024 | $ 27,096 | $ 6 | $ 6,435 | $ 17,061 | $ 178 | $ 2,397 | $ 1,019

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