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Retirement Plans and Other Retiree Benefits
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Retirement Plans and Other Retiree Benefits Retirement Plans and Other Retiree Benefits
Components of Net periodic benefit cost for the three months ended March 31, 2022 and 2021 were as follows:
Three Months Ended March 31,
 Pension BenefitsOther Retiree Benefits
 United StatesInternational  
 202220212022202120222021
Service cost$— $— $$$$
Interest cost16 15 10 
Expected return on plan assets(25)(27)(6)(6)— — 
Amortization of actuarial loss (gain)11 13 
Net periodic benefit cost$$$$$20 $21 
Other postretirement charges— — — 
Total pension cost$11 $$$$28 $21 
Other postretirement charges for the three months ended March 31, 2022 included pension and other charges amounting to $19 incurred pursuant to the 2022 Global Productivity Initiative.
For the three months ended March 31, 2022 and 2021, the Company made no voluntary contributions to its U.S. postretirement plans.