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Employee Benefits (Tables)
6 Months Ended
Jun. 30, 2021
Retirement Benefits [Abstract]  
Pension and Other Defined Contribution Retirement Plan Expenses
Pension and other defined contribution retirement plan expenses included the following components:
(DOLLARS IN MILLIONS)U.S. Plans
Three Months Ended June 30,Six Months Ended June 30,
2021202020212020
Service cost for benefits earned(1)
$$$$
Interest cost on projected benefit obligation(2)
Expected return on plan assets(2)
(5)(7)(10)(14)
Net amortization and deferrals(2)
Net periodic benefit (income) cost$$— $$(1)
(DOLLARS IN MILLIONS)Non-U.S. Plans
Three Months Ended June 30,Six Months Ended June 30,
2021202020212020
Service cost for benefits earned(1)
$12 $$22 $12 
Interest cost on projected benefit obligation(2)
Expected return on plan assets(2)
(13)(11)(25)(23)
Net amortization and deferrals(2)
10 
Net periodic benefit (income) cost$$$12 $
_______________________
(1)Included as a component of Operating profit.
(2)Included as a component of Other income, net.
Postretirement Benefits Other Than Pension Expenses
Income (expense) recognized for postretirement benefits other than pensions included the following components:
 Three Months Ended June 30,Six Months Ended June 30,
(DOLLARS IN MILLIONS)2021202020212020
Interest cost on projected benefit obligation$$$$
Net amortization and deferrals(1)(1)(2)(2)
Total postretirement benefit income$— $— $(1)$(1)