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Pensions and Other Postretirement Benefits
 9 Months Ended
Sep. 30, 2022
Retirement Benefits [Abstract]  
Pensions and Other Postretirement Benefits Pensions and Other Postretirement Benefits
Three Months Ended September 30, 2022Three Months Ended September 30, 2021
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$58 $35 $4 $65 $35 $4 
Interest cost323 71 37 269 60 31 
Expected return on plan assets(750)(130)— (796)(154)— 
Amortization of prior service cost (credit)(1)1 (1)— 1 (2)
Amortization of net actuarial (gains) losses5 32 17 7 53 25 
Net periodic pension and OPEB (income) expense$(365)$9 $57 $(455)$(5)$58 
Nine Months Ended September 30, 2022Nine Months Ended September 30, 2021
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$174 $103 $12 $196 $105 $13 
Interest cost969 221 111 806 180 93 
Expected return on plan assets(2,250)(404)— (2,385)(464)— 
Amortization of prior service cost (credit)(2)3 (4)(2)4 (5)
Amortization of net actuarial (gains) losses14 101 51 20 161 73 
Net periodic pension and OPEB (income) expense$(1,095)$24 $170 $(1,365)$(14)$174 
The non-service cost components of net periodic pension and other postretirement benefits (OPEB) income of $376 million and $484 million in the three months ended September 30, 2022 and 2021 and $1.1 billion and $1.5 billion in the nine months ended September 30, 2022 and 2021 are presented in Interest income and other non-operating income, net.