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Other non-current liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract]  
Disclosure of other non-current liabilities
FOR THE YEAR ENDED DECEMBER 31 NOTE 2021 2020
Long-term disability benefits obligation 327  361 
Provisions 26 327  355 
Derivative liabilities 29 43  98 
CRTC deferral account obligation 29 43  69 
Other 263  262 
Total other non-current liabilities 1,003  1,145