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Pension Plans, Postretirement and Other Employee Benefits
3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Pension Plans, Postretirement and Other Employee Benefits
11. Pension Plans, Postretirement and Other Employee Benefits

The Company sponsors several defined benefit pension plans (“Pension Benefits”) and health care and life insurance benefits (“Other Postretirement Benefits” or “OPEB”) for certain employees and retirees around the world.

Components of net periodic benefit costs (credits) for the three months ended March 31, 2021 and 2020 are as follows:
 Three Months Ended March 31,
 Pension BenefitsOther Postretirement Benefits
 20212020
 U.S.Non-U.S.U.S.Non-U.S.20212020
Service cost$— $$— $$— $— 
Interest cost 10 
Expected return on plan assets (16)(4)(16)(4)— — 
Net amortization:
Actuarial loss
Prior service cost (credit)— — — — (2)(2)
Net pension and postretirement costs (credits)$(5)$$(4)$$— $