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Financing Costs
 3 Months Ended
Mar. 31, 2021
Financing Costs
5.  Financing costs
 
    
    Three Months
    to March 31
  
millions of Canadian dollars
   
2021
     2020  
Debt-related interest
   
 
21
 
     34  
Capitalized interest
   
 
(8
) 
     (15 ) 
Net interest expense
   
 
13
 
     19  
Other interest
   
 
1
 
     -  
Total financing
   
 
     14
 
          19