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RETIREMENT BENEFIT PLANS
6 Months Ended
Jun. 30, 2022
Retirement Benefits [Abstract]  
RETIREMENT BENEFIT PLANS RETIREMENT BENEFIT PLANS
The Company has a number of defined benefit pension plans and other postemployment benefit plans covering eligible salaried and hourly employees and their dependents. The estimated contributions to the Company's defined benefit pension plans for 2022 range from $20 million to $30 million, of which $14 million has been contributed through the first six months of the year. The other postemployment benefit plans, which provide medical and life insurance benefits, are funded on a pay-as-you-go basis.

The components of net periodic benefit income recorded in the Condensed Consolidated Statements of Operations are as follows:
 Pension benefitsOther postemployment benefits
(in millions)20222021
Three Months Ended June 30,USNon-USUSNon-US20222021
Service cost$— $$— $$— $— 
Interest cost— — — 
Expected return on plan assets(1)(20)(2)(21)— — 
Amortization of unrecognized prior service credit— — — — (1)(1)
Amortization of unrecognized loss— — 
Net periodic benefit income$$(4)$(2)$(3)$(1)$— 
Pension benefitsOther postemployment benefits
(in millions)20222021
Six Months Ended June 30,USNon-USUSNon-US20222021
Service cost$— $10 $— $13 $— $— 
Interest cost19 15 — — 
Expected return on plan assets(3)(40)(5)(42)— — 
Settlement loss— — — — — — 
Amortization of unrecognized prior service credit— — — — (1)(1)
Amortization of unrecognized loss— 
Net periodic benefit income$— $(7)$(3)$(7)$(1)$— 

The components of net periodic benefit income other than the service cost component are included in Other postretirement income in the Condensed Consolidated Statements of Operations.