XML 83 R67.htm IDEA: XBRL DOCUMENT v3.22.4
SIGNIFICANT ACCOUNTING POLICIES (Details) - CAD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of reclassifications or changes in presentation [line items]    
Goodwill $ 4,031,000,000 $ 4,024,000,000
Government grants $ 43,000,000 7,000,000
Senior-Unsecured Revolving Credit Facility    
Disclosure of reclassifications or changes in presentation [line items]    
Maturity (in years) 30 years  
Notional amount $ 665,000,000  
Several individually immaterial acquisitions    
Disclosure of reclassifications or changes in presentation [line items]    
Goodwill   51,000,000
Several individually immaterial acquisitions | Cable    
Disclosure of reclassifications or changes in presentation [line items]    
Goodwill   37,000,000
Several individually immaterial acquisitions | Media    
Disclosure of reclassifications or changes in presentation [line items]    
Goodwill   $ 14,000,000