Employee retirement benefits (Tables)

9 Months Ended

Sep. 30, 2019

Schedule of Net Benefit Costs [Table Text Block]

The components of net benefit ​​​​​​​cost were as follows:

	Third Quarter		Nine Months          to September 30
millions of Canadian dollars	2019	2018	2019	2018
Pension benefits:
Current service cost	57	59	171	179
Interest cost	81	76	243	227
Expected return on plan assets	(87)	(100)	(262)	(301)
Amortization of prior service cost	-	1	-	3
Amortization of actuarial loss (gain)	37	43	112	130
Net periodic benefit cost	88	79	264	238
Other postretirement benefits:
Current service cost	4	5	12	13
Interest cost	5	5	16	16
Amortization of actuarial loss (gain)	-	2	(1)	5
Net periodic benefit cost	9	12	27	34