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Consolidated Statements of Comprehensive Earnings (Loss) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement of comprehensive income [abstract] |  |  |  |
Net earnings (loss) |  | $ (425) | $ (253) | $ 176
Other comprehensive loss |  |  |  |
Net actuarial gains (losses) on defined benefit plans, net of tax | [1] | 37 | (11) | (26)
Losses on derivatives designated as cash flow hedges, net of tax |  | 0 | (1) | 0
Total items that will not be reclassified subsequently to net earnings |  | 37 | (12) | (26)
Losses on translating net assets of foreign operations, net of tax |  | (14) | (11) | (59)
Gains on financial instruments designated as hedges of foreign operations, net of tax |  | 0 | 11 | 21
Gains (losses) on derivatives designated as cash flow hedges, net of tax | [2] | (200) | 20 | 61
Reclassification of gains on derivatives designated as cash flow hedges to net earnings, net of tax | [3] | (8) | (110) | (42)
Total items that will be reclassified subsequently to net earnings |  | (222) | (90) | (19)
Other comprehensive loss |  | (185) | (102) | (45)
Total comprehensive earnings (loss) |  | (610) | (355) | 131
Total comprehensive earnings (loss) attributable to: |  |  |  |
TransAlta shareholders |  | (693) | (439) | 54
Non-controlling interests |  | $ 83 | $ 84 | $ 77
[1] | Net of income tax expense of $11 million for the year ended Dec. 31, 2021 (2020 — $3 million recovery, 2019 — $7 million recovery).
[2] | Net of income tax recovery of $55 million for the year ended Dec. 31, 2021 (2020 —$8 million expense, 2019 — $16 million expense).
[3] | Net of reclassification of income tax recovery of $2 million for the year ended Dec. 31, 2021 (2020 —$31 million recovery, 2019 — $10 million recovery).

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