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Pensions and Other Postretirement Benefits
 3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Pensions and Other Postretirement Benefits Pensions and Other Postretirement Benefits
Three Months Ended March 31, 2022Three Months Ended March 31, 2021
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$58 $35 $4 $65 $38 $4 
Interest cost323 76 37 269 59 31 
Expected return on plan assets(750)(139)— (795)(152)— 
Amortization of prior service cost (credit)(1)1 (1)(1)1 (2)
Amortization of net actuarial losses5 35 17 7 54 25 
Net periodic pension and OPEB (income) expense$(365)$8 $57 $(455)$— $58 
The non-service cost components of net periodic pension and other postretirement benefits (OPEB) income of $376 million and $483 million in the three months ended March 31, 2022 and 2021 are presented in Interest income and other non-operating income, net.