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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Comprehensive Income [Abstract] |  |  |
Earnings | $ 5,827 | $ 3,333 | $ 3,266
Other comprehensive income/(loss), net of tax |  |  |
Change in unrealized loss on cash flow hedges | (437) |  |
Change in unrealized loss on cash flow hedges |  | (153) | (21)
Change in unrealized gain/(loss) on net investment hedges | 281 | (458) | 490
Other comprehensive income/(loss) from equity investees | 40 | 38 | (27)
Reclassification to earnings of loss on cash flow hedges | 127 |  |
Reclassification to earnings of loss on cash flow hedges |  | 152 | 313
Reclassification to earnings of pension and other postretirement benefits amounts | 13 | 12 | 19
Actuarial gain/(loss) on pension plans and other postretirement benefits | (96) | (52) | 8
Foreign currency translation adjustments | (3,035) | 4,599 | (3,060)
Other comprehensive income/(loss), net of tax | (3,107) | 4,138 | (2,278)
Comprehensive income | 2,720 | 7,471 | 988
Comprehensive income attributable to noncontrolling interests and redeemable noncontrolling interests | (7) | (801) | (160)
Comprehensive income attributable to controlling interests | 2,713 | 6,670 | 828
Preference share dividends | (383) | (367) | (330)
Comprehensive income attributable to common shareholders | $ 2,330 | $ 6,303 | $ 498

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