v3.25.2
Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Cost
Millions of Dollars
Pension Benefits
Other Benefits
2025202420252024
U.S.
Int'l.
U.S.
Int'l.
Components of Net Periodic Benefit Cost
Three Months Ended June 30
Service cost
$14 8 13 1 
Interest cost
23 31 19 28 2 
Expected return on plan assets
(19)(44)(17)(40)
Amortization of prior service cost (credit)
 1 — — (6)(10)
Recognized net actuarial loss (gain)
2 12 14  — 
Net periodic benefit cost
$20 8 17 11 (3)(7)
Six Months Ended June 30
Service cost$29 16 25 19 1 
Interest cost
46 62 38 57 4 
Expected return on plan assets
(38)(89)(33)(81)
Amortization of prior service cost (credit)
 1 — — (12)(19)
Recognized net actuarial loss (gain)
5 23 28  — 
Settlements
 1 — — 
Net periodic benefit cost$42 14 34 23 (7)(15)