Income Taxes (Tables)

9 Months Ended

Sep. 30, 2020

Income Tax Disclosure [Abstract]

Summary of Income Tax Expense

	For the three months ended September 30				For the nine months ended September 30
(in millions of Canadian dollars)	2020		2019		2020		2019
Current income tax expense	$	144	$	115	$	430	$	358
Deferred income tax expense	45		96		133		116
Income tax expense	$	189	$	211	$	563	$	474