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PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS
3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS
The Company sponsors defined benefit plans and a participatory defined benefit postretirement medical and life insurance plan, which covers certain U.S. employees and employees in certain other countries. Net periodic (benefit) cost for the Company’s defined benefit pension plans and postretirement benefit plan for the three months ended March 31, 2021 and 2020 consists of:
 Pension Benefit PlansPostretirement
Benefit
Plan
U.S. PlanNon-U.S. Plans
(in millions)202120202021202020212020
Service cost$— $— $$$— $— 
Interest cost— — 
Expected return on plan assets(3)(3)(1)(1)— — 
Amortization of prior service credit and other— — — (4)(1)(1)
Net periodic (benefit) cost$(2)$(1)$$(3)$(1)$(1)