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Consolidated Statements of Comprehensive Income (Parenthetical) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Foreign currency translation, tax expense (recovery) $ (7) $ 7
Hybrid Notes as a hedge of the foreign currency exposure 1,200 1,100
Unrealized gains (losses) on net investment hedges 0 (6)
Net derivative gain, tax 0 (1)
Net change in unrecognized pension and post-retirement benefit obligation 1 1
Other comprehensive loss, Tax (6) $ 1
Net investment in United States dollar denominated operations    
Hybrid Notes as a hedge of the foreign currency exposure $ 1,200