Other long-term obligations (Tables)

3 Months Ended

Mar. 31, 2018

Other Long-Term Obligations

	As at		As at
	Mar 31		Dec 31
millions of Canadian dollars	2018		2017
Employee retirement benefits (a)		1,535		1,529
Asset retirement obligations and other environmental liabilities (b)		1,460		1,460
Share-based incentive compensation liabilities		96		99
Other obligations (c)		760		692
Total other long-term obligations		3,851		3,780

(a) Total recorded employee retirement benefits obligations also included $56 million in current liabilities (2017 - $56 million).

(b) Total asset retirement obligations and other environmental liabilities also included $101 million in current liabilities (2017 - $101 million).

(c) Included carbon emission program obligations. Carbon emission program credits are recorded under other assets, including intangibles, net.