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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Statement of Comprehensive Income [Abstract] |  |  |  |
Earnings | $ 1,830 | $ 1,327 | $ 3,853 | $ 1,837
Other comprehensive income/(loss), net of tax |  |  |  |
Change in unrealized gain/(loss) on cash flow hedges | (235) |  |  |
Change in unrealized gain/(loss) on cash flow hedges |  | 27 | (427) | 93
Change in unrealized gain/(loss) on net investment hedges | 127 | (99) | 221 | (283)
Other comprehensive income from equity investees | 5 | 5 | 17 | 19
Reclassification to earnings of loss on cash flow hedges | 35 |  | 46 |
Reclassification to earnings of loss on cash flow hedges |  | 36 |  | 73
Reclassification to earnings of pension and other postretirement benefits (OPEB) amounts | 5 | 62 | 43 | 23
Foreign currency translation adjustments | (1,311) | 1,047 | (2,602) | 2,626
Other comprehensive income/(loss), net of tax | (1,374) | 1,078 | (2,702) | 2,551
Comprehensive income | 456 | 2,405 | 1,151 | 4,388
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 51 | (297) | 64 | (444)
Comprehensive income attributable to controlling interests | 507 | 2,108 | 1,215 | 3,944
Preference share dividends | (96) | (89) | (191) | (178)
Comprehensive income attributable to common shareholders | $ 411 | $ 2,019 | $ 1,024 | $ 3,766

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