Quarterly report pursuant to Section 13 or 15(d)

PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables)

v3.24.3
PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Tables)
9 Months Ended
Sep. 30, 2024
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) 2024 2023 2024 2023
Service cost $ 7  $ $ 21  $ 24 
Interest cost 54  59  163  176 
Expected return on plan assets (80) (79) (240) (236)
Amortization:
Prior service costs 5  13  13 
Net actuarial loss   —   
Net periodic benefit credits $ (14) $ (7) $ (43) $ (21)
OPEB COSTS (CREDITS)
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In millions) 2024 2023 2024 2023
Service cost $ 2  $ $ 6  $
Interest cost 13  15  38  47 
Expected return on plan assets (11) (10) (32) (31)
Termination benefits1
  —  2  — 
Amortization:
Prior service credits (4) (4) (12) (12)
Net actuarial gain (39) (36) (116) (109)
Net periodic benefit credits $ (39) $ (33) $ (114) $ (98)
1 The termination benefits relate to the announcement of the indefinite idle of our Weirton tinplate production plant.