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Goodwill (Tables)
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
(in millions of Canadian dollars)
Balance as at December 31, 2021$328 
Foreign exchange impact16 
Balance as at December 31, 2022344 
Addition (Note 11)
17,565 
Foreign exchange impact(180)
Balance as at December 31, 2023$17,729