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Financial and derivative instruments (Tables)
 6 Months Ended
Jun. 30, 2020
Summary of Realized and Unrealized Gain or (Loss) on Derivative Instruments
Realized and unrealized gain or (loss) on derivative instruments recognized on the Consolidated statement of income is included in the following lines on a
before-tax
basis:
 
         Second Quarter     
    Six Months
    to June 30
  
millions of Canadian dollars
   
2020
     2019     
2020
     2019  
Revenues
   
 
(9
) 
     -     
 
(8
) 
     (2 ) 
Purchases of crude oil and products
   
 
(52
) 
     -     
 
(18
) 
     (6 ) 
Total
   
 
(61
) 
     -     
 
(26
) 
     (8 )