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OPERATING COSTS (Tables)
 12 Months Ended
Dec. 31, 2022
Operating Costs [Abstract]  
Disclosure of operating costs
  Years ended December 31
(In millions of dollars)Note20222021
Cost of equipment sales16 2,141 2,161 
Merchandise for resale16 235 271 
Other external purchases4,401 4,155 
Employee salaries, benefits, and stock-based compensation2,226 2,181 
Total operating costs9,003 8,768