Income Taxes (Tables)

6 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Summary of Income Tax Expense

	For the three months ended June 30					For the six months ended June 30
(in millions of Canadian dollars)	2019			2018		2019		2018
Current income tax expense	$	142		$	85	$	243	$	166
Deferred income tax (recovery) expense	(18		)	37		20		78
Income tax expense	$	124		$	122	$	263	$	244