v3.26.3
Pension and Other Postretirement Benefits (Tables)
 9 Months Ended
Sep. 30, 2026
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Costs
The following summarizes the components of net periodic benefit costs:
Three Months Ended 
September 30,		Nine Months Ended 
September 30,
(In millions)2026202520262025
Pension Benefits
Service cost$56 $56 $180 $168 
Interest cost38 36 115 108 
Expected return on plan assets(39)(36)(117)(108)
Amortization of prior service credit(3)(2)(7)(6)
Amortization of actuarial loss3 4 12 12 
Settlement (gain) loss(1)— (1)1 
Net periodic pension benefit cost$54 $58 $182 $175 
Other Benefits
Service cost$4 $5 $14 $15 
Interest cost9 9 26 26 
Amortization of prior service credit(5)(5)(16)(16)
Net periodic other benefit cost$8 $9 $24 $25