v3.25.1
Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Schedule of Net Periodic (Benefit) Cost Components
The following table presents the components of net periodic (benefit) cost for the defined benefit plans:

Pension Benefits
Other Postretirement Benefits
Three Months Ended March 312025202420252024
(In millions)
Service cost$1 $
Interest cost11 24 $1 $
Expected return on plan assets(15)(29)(1)(1)
Amortization of unrecognized net loss2 
Net periodic (benefit) cost$(1)$$ $—