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financing costs (Tables)
 12 Months Ended
Dec. 31, 2018
financing costs  
Schedule of financing costs

 

 

 

 

 

 

 

 

 

 

Years ended December 31 (millions)

    

Note

    

2018

    

2017

Interest expense

 

 

 

 

 

 

 

 

Interest on long-term debt

 

 

 

$

598

 

$

561

Interest on short-term borrowings and other

 

 

 

 

 6

 

 

 5

Interest accretion on provisions

 

25

 

 

21

 

 

13

Long-term debt prepayment premium

 

26(b)

 

 

34

 

 

 —

 

 

 

 

 

659

 

 

579

Employee defined benefit plans net interest

 

15(b), (g)

 

 

17

 

 

 6

Foreign exchange

 

 

 

 

(6)

 

 

(5)

 

 

 

 

 

670

 

 

580

Interest income

 

 

 

 

(9)

 

 

(7)

 

 

 

 

$

661

 

$

573