v3.26.1
Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2026
Retirement Benefits [Abstract]  
Schedule of net benefit costs
U.S. Pension
Benefits
Non-U.S. Pension
Benefits
Other
Postretirement
Benefits
March 31,March 31,March 31,
(Millions of dollars)202620252026202520262025
For the three months ended:
Components of net periodic benefit cost:
Service cost$— $— $12 $11 $14 $16 
Interest cost136 153 30 28 27 31 
Expected return on plan assets (176)(180)(44)(40)(3)(2)
Amortization of prior service cost (credit)— — — — — (1)
Net periodic benefit cost (benefit) 1
$(40)$(27)$(2)$(1)$38 $44 
1 The service cost component is included in Operating costs. All other components are included in Other income (expense).
Summary of company costs related to U.S. and non-U.S. defined contribution plans
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 March 31,
(Millions of dollars)20262025
U.S. Plans 1
$190 $154 
Non-U.S. Plans37 33 
 $227 $187 
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.