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Consolidated Statements of Changes in Shareholders' Equity - CAD ($) shares in Thousands, $ in Millions | Total | Class B Non-Voting Shares | Issued capital Class A Voting Shares | Issued capital Class B Non-Voting Shares | Retained earnings | FVTOCI investment reserve | Hedging reserve | Equity investment reserve
--- | --- | --- | --- | --- | --- | --- | --- | ---
Shareholders' equity, beginning balance at Dec. 31, 2018 | $ 8,156 |  | $ 71 | $ 406 | $ 7,159 | $ 636 | $ (125) | $ 9
Number of shares, beginning balance at Dec. 31, 2018 |  |  | 111,155 | 403,657 |  |  |  |
Net income for the year | 2,043 |  |  |  | 2,043 |  |  |
Other comprehensive (loss) income: |  |  |  |  |  |  |  |
Defined benefit pension plans, net of tax | (119) |  |  |  | (119) |  |  |
FVTOCI investments, net of tax | 633 |  |  |  |  | 633 |  |
Derivative instruments accounted for as hedges, net of tax | 388 |  |  |  |  |  | 388 |
Share of equity-accounted investments, net of tax | (8) |  |  |  |  |  |  | (8)
Other comprehensive (loss) income for the year | 894 |  |  |  | (119) | 633 | 388 | (8)
Comprehensive income for the year | 2,937 |  |  |  | 1,924 | 633 | 388 | (8)
Reclassification to retained earnings for disposition of FVTOCI investments |  |  |  |  | 4 | (4) |  |
Transactions with shareholders recorded directly in equity: |  |  |  |  |  |  |  |
Repurchase of Class B Non-Voting Shares | (655) | $ (655) |  | $ (9) | (646) |  |  |
Repurchase of Class B Non-Voting Shares (in shares) |  | (9,900) |  | (9,887) |  |  |  |
Dividends declared | (1,022) |  |  |  | (1,022) |  |  |
Share class exchange | 0 |  |  | $ 0 |  |  |  |
Share class exchange (in shares) |  |  | (1) | 1 |  |  |  |
Total transactions with shareholders | (1,677) |  | $ 0 | $ (9) | (1,668) |  |  |
Total transactions with shareholders (in shares) |  |  | (1) | (9,886) |  |  |  |
Shareholders' equity, ending balance at Dec. 31, 2019 | 9,416 |  | $ 71 | $ 397 | 7,419 | 1,265 | 263 | 1
Number of shares, ending balance at Dec. 31, 2019 |  |  | 111,154 | 393,771 |  |  |  |
Net income for the year | 1,592 |  |  |  | 1,592 |  |  |
Other comprehensive (loss) income: |  |  |  |  |  |  |  |
Defined benefit pension plans, net of tax | (89) |  |  |  | (89) |  |  |
FVTOCI investments, net of tax | (262) |  |  |  |  | (262) |  |
Derivative instruments accounted for as hedges, net of tax | (69) |  |  |  |  |  | (69) |
Share of equity-accounted investments, net of tax | (5) |  |  |  |  |  |  | (5)
Other comprehensive (loss) income for the year | (425) |  |  |  | (89) | (262) | (69) | (5)
Comprehensive income for the year | 1,167 |  |  |  | 1,503 | (262) | (69) | (5)
Reclassification to retained earnings for disposition of FVTOCI investments | 0 |  |  |  | 4 | (4) |  |
Transactions with shareholders recorded directly in equity: |  |  |  |  |  |  |  |
Dividends declared | (1,010) |  |  |  | (1,010) |  |  |
Total transactions with shareholders | (1,010) |  | $ 0 | $ 0 | (1,010) |  |  |
Total transactions with shareholders (in shares) |  |  | 0 | 0 |  |  |  |
Shareholders' equity, ending balance at Dec. 31, 2020 | $ 9,573 |  | $ 71 | $ 397 | $ 7,916 | $ 999 | $ 194 | $ (4)
Number of shares, ending balance at Dec. 31, 2020 |  |  | 111,154 | 393,771 |  |  |  |

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