Other Expense (Income) (Tables)

12 Months Ended

Dec. 31, 2018

Other Income and Expenses [Abstract]

Other expense (income)

(in millions of Canadian dollars)	2018		2017			2016
Foreign exchange loss (gain) on long-term debt	$	168	$	(186	)	$	(79	)
Other foreign exchange losses (gains)	3		(7		)	(5		)
Insurance recovery of legal settlement	—		(10		)	—
Legal settlement	—		—			25
Charge on hedge roll and de-designation	—		13			—
Other	3		12			14
Other expense (income)	$	174	$	(178	)	$	(45	)