XML 119 R89.htm IDEA: XBRL DOCUMENT v3.8.0.1
INTEREST AND OTHER FINANCING EXPENSE (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Borrowing costs [abstract]      
Long-term debt $ 810 $ 664 $ 618
Other 0 0 1
Interest and other financing expense 810 664 619
Less: amounts capitalized on qualifying assets 82 233 244
Total interest and other financing expense 728 431 375
Total interest income (97) (48) (53)
Net interest and other financing expense $ 631 $ 383 $ 322