v3.25.2
Postretirement Benefits
 6 Months Ended
Jun. 30, 2025
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)202520242025202420252024
For the three months ended:      
Components of net periodic benefit cost:      
Service cost$— $— $12 $11 $16 $17 
Interest cost153 157 27 31 30 33 
Expected return on plan assets (180)(175)(40)(42)(2)(2)
Amortization of prior service cost (credit)— — — — (1)(4)
Net periodic benefit cost (benefit) 1
$(27)$(18)$(1)$— $43 $44 
For the six months ended:
Components of net periodic benefit cost:
Service cost$— $— $23 $22 $32 $34 
Interest cost306 313 55 61 61 66 
Expected return on plan assets (360)(350)(80)(84)(4)(4)
Amortization of prior service cost (credit)— — — — (2)(7)
Net periodic benefit cost (benefit) 1
$(54)$(37)$(2)$(1)$87 $89 
1 The service cost component is included in Operating costs. All other components are included in Other income (expense).

We made $65 million and $276 million of contributions to our pension and other postretirement plans during the three and six months ended June 30, 2025, respectively. We currently anticipate full-year 2025 contributions of approximately $354 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)2025202420252024
U.S. Plans 1
$190 $115 $344 $338 
Non-U.S. Plans35 32 68 62 
 $225 $147 $412 $400 
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.