v3.26.3
PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables)
9 Months Ended
Sep. 30, 2026
Postemployment Benefits [Abstract]  
Schedule of Net Benefit Costs
The following are the components of defined benefit pension and OPEB costs (credits):
DEFINED BENEFIT PENSION COSTS (CREDITS)
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In millions)2026202520262025
Service cost$7 $7 $21 $21 
Interest cost45 53 135 158 
Expected return on plan assets(81)(79)(244)(238)
Amortization:
Prior service costs4 4 13 13 
Net actuarial gain(4)(2)(13)(6)
Net periodic benefit credits$(29)$(17)$(88)$(52)
OPEB COSTS (CREDITS)
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In millions)2026202520262025
Service cost$2 $2 $5 $6 
Interest cost14 14 43 43 
Expected return on plan assets(11)(11)(33)(32)
Termination benefits— — — 15 
Amortization:
Prior service credits(3)(3)(9)(10)
Net actuarial gain(28)(33)(84)(100)
Net periodic benefit credits$(26)$(31)$(78)$(78)