v3.19.2
financing costs (Details) - CAD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Interest expense        
Interest on long-term debt, excluding lease liabilities - gross $ 161 $ 151 $ 311 $ 295
Interest on long-term debt, excluding lease liabilities - capitalized (4)   (4)  
Interest on long-term debt, excluding lease liabilities 157 151 307 295
Interest on lease liabilities 16   32  
Interest on short-term borrowings and other 3 (1) 8 1
Interest accretion on provisions 5 6 11 10
Total 181 156 358 306
Employee defined benefit plans net interest   3   7
Foreign exchange 11 (6) 4 (2)
Total 192 153 362 311
Interest income (3) (3) (5) (5)
Net $ 189 $ 150 $ 357 $ 306
Composite interest rate on long-term debt, excluding lease liabilities (as a percent) 4.33% 4.33% 4.33% 4.33%