v3.26.1
Postretirement Benefits
 6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Postretirement Benefits Postretirement benefits
 
A.  Pension and postretirement benefit costs
    
U.S. Pension
Benefits
Non-U.S. Pension
Benefits
Other
Postretirement
Benefits
June 30,June 30,June 30,
(Millions of dollars)202620252026202520262025
For the three months ended:
Components of net periodic benefit cost:
Service cost$— $— $12 $12 $14 $16 
Interest cost136 153 30 27 26 30 
Expected return on plan assets (176)(180)(44)(40)(3)(2)
Amortization of prior service cost (credit)— — 1 — — (1)
Net periodic benefit cost (benefit) 1
$(40)$(27)$(1)$(1)$37 $43 
For the six months ended:
Components of net periodic benefit cost:
Service cost$— $— $24 $23 $28 $32 
Interest cost272 306 60 55 53 61 
Expected return on plan assets (352)(360)(88)(80)(6)(4)
Amortization of prior service cost (credit)— — 1 — — (2)
Net periodic benefit cost (benefit) 1
$(80)$(54)$(3)$(2)$75 $87 
1 The service cost component is included in Operating costs. All other components are included in Other income (expense).

We made $64 million and $282 million of contributions to our pension and other postretirement plans during the three and six months ended June 30, 2026, respectively. We currently anticipate full-year 2026 contributions of approximately $360 million.
 
B.  Defined contribution benefit costs
 
Total company costs related to our defined contribution plans, which are included in Operating costs in the Consolidated Statement of Results of Operations, were as follows:
 
Three Months Ended June 30,Six Months Ended June 30,
(Millions of dollars)2026202520262025
U.S. Plans 1
$299 $190 $489 $344 
Non-U.S. Plans38 35 75 68 
$337 $225 $564 $412 
1 Includes costs related to our non-qualified deferred compensation plans. We utilize total return swaps to economically hedge this exposure to offset the related costs. See Note 5 for additional information.