v3.26.1
Pension and other benefits (Tables)
 6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Net Periodic Benefit Cost for Defined Benefit Pension Plans and Other Benefits
Net periodic benefit (recovery) cost for defined benefit pension plans and other benefits included the following components:        

For the three months ended June 30
PensionsOther benefitsTotal
(in millions of Canadian dollars)202620252026202520262025
Current service cost $19 $21 $3 $4 $22 $25 
Other components of net periodic benefit (recovery) cost:
Interest cost on benefit obligation118 116 6 6 124 122 
Expected return on plan assets(234)(231)— — (234)(231)
Recognized net actuarial (gain) loss(1)2 — (1)(1)1 
Amortization of prior service costs1 1 — — 1 1 
Total other components of net periodic benefit (recovery) cost(116)(112)6 5 (110)(107)
Net periodic benefit (recovery) cost$(97)$(91)$9 $9 $(88)$(82)

For the six months ended June 30
PensionsOther benefitsTotal
(in millions of Canadian dollars)202620252026202520262025
Current service cost $38 $42 $6 $7 $44 $49 
Other components of net periodic benefit (recovery) cost:
Interest cost on benefit obligation236 233 11 11 247 244 
Expected return on plan assets(468)(463)— — (468)(463)
Recognized net actuarial (gain) loss(2)4 — (1)(2)3 
Amortization of prior service costs3 2 — — 3 2 
Total other components of net periodic benefit (recovery) cost(231)(224)11 10 (220)(214)
Net periodic benefit (recovery) cost$(193)$(182)$17 $17 $(176)$(165)