v3.26.3
Retirement Plans (Tables)
9 Months Ended
Sep. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension Benefit/Cost
The components of our net periodic pension benefit/cost were as follows:
Three months ended
September 30,
Nine months ended
September 30,
Millions2026202520262025
Service cost$9 $9 $27 $31 
Interest cost41 45 119 135 
Expected return on plan assets(56)(60)(168)(181)
Amortization of actuarial loss5 2 9 6 
Net periodic pension (benefit)/cost$(1)$(4)$(13)$(9)