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Pensions and Other Postretirement Benefits
 6 Months Ended
Jun. 30, 2022
Retirement Benefits [Abstract]  
Pensions and Other Postretirement Benefits Pensions and Other Postretirement Benefits
Three Months Ended June 30, 2022Three Months Ended June 30, 2021
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$58 $33 $4 $66 $32 $5 
Interest cost323 74 37 268 61 31 
Expected return on plan assets(750)(135)— (794)(158)— 
Amortization of prior service cost (credit)— 1 (2)(1)2 (1)
Amortization of net actuarial losses4 34 17 6 54 23 
Net periodic pension and OPEB (income) expense$(365)$7 $56 $(455)$(9)$58 
Six Months Ended June 30, 2022Six Months Ended June 30, 2021
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$116 $68 $8 $131 $70 $9 
Interest cost646 150 74 537 120 62 
Expected return on plan assets(1,500)(274)— (1,589)(310)— 
Amortization of prior service cost (credit)(1)2 (3)(2)3 (3)
Amortization of net actuarial losses9 69 34 13 108 48 
Net periodic pension and OPEB (income) expense$(730)$15 $113 $(910)$(9)$116 
The non-service cost components of net periodic pension and other postretirement benefits (OPEB) income of $376 million and $485 million in the three months ended June 30, 2022 and 2021 and $752 million and $968 million in the six months ended June 30, 2022 and 2021 are presented in Interest income and other non-operating income, net.