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RETIREMENT PLANS (Tables)
3 Months Ended
Mar. 31, 2022
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
2022202120222021
(Dollars in millions)U.S.Non-U.S.U.S.Non-U.S.
Service cost$$$$$— $— 
Interest cost11 
Expected return on assets(32)(9)(32)(9)(1)(1)
Amortization of:
Prior service credit, net— — — — (8)(9)
Net periodic benefit (credit) cost$(15)$(1)$(16)$(2)$(5)$(7)