Other Assets (Tables)

12 Months Ended

Dec. 31, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other Assets

(in millions of Canadian dollars)	2019		2018
Operating lease ROU assets (Note 2, 21)	$	358	$	—
Long-term materials	41		26
Contracted customer incentives	32		11
Prepaid leases	—		10
Other	20		24
Total other assets	$	451	$	71