v3.24.1.u1
RETIREMENT PLANS (Tables)
3 Months Ended
Mar. 31, 2024
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
2024202320242023
(Dollars in millions)U.S.Non-U.S.U.S.Non-U.S.
Service cost$5 $2 $6 $2 $— $— 
Interest cost18 6 19 7 6 7 
Expected return on assets(24)(7)(22)(6)(1)(1)
Amortization of:
Prior service credit, net— — — — (3)(7)
Net periodic benefit (credit) cost$(1)$1 $3 $3 $2 $(1)