v3.26.1
RETIREMENT PLANS (Tables)
3 Months Ended
Mar. 31, 2026
Retirement Benefits [Abstract]  
Components of net periodic benefit cost
Components of net periodic benefit (credit) cost were as follows:
First Quarter
 Pension PlansOther Postretirement Benefit Plans
2026202520262025
(Dollars in millions)U.S.Non-U.S.U.S.Non-U.S.
Service cost$$$$$— $— 
Interest cost15 18 
Expected return on assets(23)(8)(22)(7)(1)(1)
Amortization of:
Prior service credit, net— — — — (10)— 
Net periodic benefit (credit) cost$(4)$$— $$(8)$