v3.20.2
Pensions and Other Postretirement Benefits
 6 Months Ended
Jun. 30, 2020
Retirement Benefits [Abstract]  
Pensions and Other Postretirement Benefits Pensions and Other Postretirement Benefits
Three Months Ended June 30, 2020Three Months Ended June 30, 2019
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$63  $37  $4  $98  $29  $4  
Interest cost429  88  44  566  118  55  
Expected return on plan assets(817) (163) —  (871) (192) —  
Amortization of prior service cost (credit)
(1) 1  (2) (1) 1  (4) 
Amortization of net actuarial losses
4  40  18  3  30  7  
Net periodic pension and OPEB (income) expense
$(322) $3  $64  $(205) $(14) $62  

Six Months Ended June 30, 2020Six Months Ended June 30, 2019
Pension BenefitsGlobal OPEB PlansPension BenefitsGlobal OPEB Plans
U.S.Non-U.S.U.S.Non-U.S.
Service cost$125  $66  $9  $196  $64  $8  
Interest cost858  179  87  1,132  238  109  
Expected return on plan assets(1,633) (333) —  (1,739) (387) —  
Amortization of prior service cost (credit)(2) 3  (4) (2) 2  (7) 
Amortization of net actuarial losses8  82  37  6  59  15  
Net periodic pension and OPEB (income) expense$(644) $(3) $129  $(407) $(24) $125  
The non-service cost components of net periodic pension and other postretirement benefits (OPEB) income of $336 million and $232 million in the three months ended June 30, 2020 and 2019 and $674 million and $462 million in the six months ended June 30, 2020 and 2019 are presented in Interest income and other non-operating income, net.