Other long-term obligations (Tables)

3 Months Ended

Mar. 31, 2020

Other Long-Term Obligations

	As at  Mar 31		As at Dec 31
millions of Canadian dollars	2020		2019
Employee retirement benefits (a)		1,963		1,822
Asset retirement obligations and other environmental liabilities (b)		1,382		1,388
Share-based incentive compensation liabilities		39		65
Operating lease liability (c)		122		143
Other obligations		227		219
Total other long-term obligations		3,733		3,637

(a) Total recorded employee retirement benefits obligations also included $58 million in current liabilities (2019 - $58 million).

(b) Total asset retirement obligations and other environmental liabilities also included $124 million in current liabilities (2019 - $124 million).

(c) Total operating lease liability also included $120 million in current liabilities (2019 - $115 million). In addition to the total operating lease liability, additional undiscounted commitments for leases not yet commenced totalled $29 million (2019 - $6 million).