INTANGIBLE AND OTHER ASSETS (Tables)

12 Months Ended

Dec. 31, 2017

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Other Assets

at December 31	2017	2016
(millions of Canadian $)
Capital projects in development	596	2,094
Deferred income tax assets (Note 16)	255	313
Employee post-retirement benefits (Note 22)	193	189
Fair value of derivative contracts (Note 23)	73	133
Other	306	218
	1,423	2,947