v3.25.1
Pension Plans and Other Post Employment Benefit Plans
 3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Pension and other Post Employment Benefits PENSION PLANS AND OTHER POST EMPLOYMENT BENEFITS
The following sets forth the components of the company's net periodic benefit (credit) cost for defined benefit pension plans and other post employment benefits ("OPEB"):
Three Months Ended March 31,
(In millions)20252024
Defined Benefit Pension Plans:
Service cost$4 $5 
Interest cost157 163 
Expected return on plan assets(155)(133)
Amortization of prior service (benefit) cost(1)(1)
Net periodic benefit (credit) cost$5 $34 
Other Post Employment Benefits:
Interest cost10 10 
Amortization of unrecognized (gain) loss(5)(3)
Net periodic benefit (credit) cost$5 $7