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Segmented Information (Tables)
12 Months Ended
Dec. 31, 2021
Segment Reporting [Abstract]  
Revenue by geographic areas
The following tables provide information by geographic area for the years ended December 31, 2021, 2020 and 2019:
In millionsYear ended December 31,202120202019
Revenues
Canada$9,955 $9,588 $10,167 
U.S.4,522 4,231 4,750 
Total revenues$14,477 $13,819 $14,917 
Net income by geographic areas
Net income
Canada$3,596 $2,632 $3,131 
U.S.1,296 930 1,085 
Total net income$4,892 $3,562 $4,216 
Long-lived assets by geographic areas
In millionsDecember 31,20212020
Properties
Canada$23,186 $22,235 
U.S.17,992 17,834 
Total properties$41,178 $40,069