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Retirement Plans and Other Retiree Benefits (Tables)
3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Components Of Net Periodic Benefit Cost
Components of Net periodic benefit cost for the three months ended March 31, 2021 and 2020 were as follows:
Three Months Ended March 31, 2021
 Pension BenefitsOther Retiree Benefits
 United StatesInternational  
 202120202021202020212020
Service cost$— $— $$$$
Interest cost15 19 11 
Expected return on plan assets(27)(27)(6)(4)— — 
Amortization of actuarial loss (gain)13 11 
Net periodic benefit cost
$$$$$21 $22