v3.25.2
Retirement Programs (Tables)
6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Components of Net Pension and Postretirement Benefits
The components of net pension and postretirement benefits other than pensions (“OPEB”) costs for the quarter and six months ended June 30, 2025 and 2024 are shown below:
 Quarter Ended June 30,Six Months Ended June 30,
(Millions of dollars)2025202420252024
Amount recognized in Operating Profit
Service cost$21 $21 $41 $42 
Amount recognized in Net pension and OPEB cost (benefit), excluding service cost
Interest cost89 91 175 182 
Expected return on plan assets(140)(137)(274)(275)
Net amortization and deferral (gain) loss(8)(3)(16)(6)
(59)(49)(115)(99)
 Net periodic benefit cost (benefit)$(38)$(28)$(74)$(57)