OTHER LONG-TERM LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2017

Deferred Costs, Noncurrent [Abstract]

Schedule of Other Long-Term Liabilities

at December 31	2017	2016
(millions of Canadian $)
Employee post-retirement benefits (Note 22)	389	448
Fair value of derivative contracts (Note 23)	72	330
Asset retirement obligations	98	108
Guarantees (Note 26)	16	82
Other	152	215
	727	1,183