v3.25.4
INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Jul. 01, 2025
Media      
Disclosure of detailed information about intangible assets [line items]      
Impairment loss recognised in profit or loss, intangible assets and goodwill $ 0 $ 15  
Franchise - Toronto Maple Leafs      
Disclosure of detailed information about intangible assets [line items]      
Carrying value of indefinite-life intangible assets     $ 3,270
Franchise - Toronto Raptors      
Disclosure of detailed information about intangible assets [line items]      
Carrying value of indefinite-life intangible assets     5,740
Franchise - Toronto FC      
Disclosure of detailed information about intangible assets [line items]      
Carrying value of indefinite-life intangible assets     820
Brand Names, Toronto Maple Leafs      
Disclosure of detailed information about intangible assets [line items]      
Carrying value of indefinite-life intangible assets     890
Brand Names, Toronto Raptors      
Disclosure of detailed information about intangible assets [line items]      
Carrying value of indefinite-life intangible assets     $ 440