XML 33 R69.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
REVENUE - Disaggregation of Revenue (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue $ 15,073 $ 15,096
Operating segments | Wireless    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 9,250 9,200
Operating segments | Wireless | Service revenue    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 7,156 7,091
Operating segments | Wireless | Equipment revenue    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 2,094 2,109
Operating segments | Cable    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 3,954 3,932
Operating segments | Cable | Internet    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 2,259 2,114
Operating segments | Cable | Television    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 1,430 1,442
Operating segments | Cable | Phone    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 251 363
Operating segments | Cable | Service revenue    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 3,940 3,919
Operating segments | Cable | Equipment revenue    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 14 13
Operating segments | Total Media    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 2,072 2,168
Corporate items and intercompany eliminations    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue $ (203) $ (204)