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RETIREMENT BENEFIT PLANS
 3 Months Ended
Mar. 31, 2023
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 2023 range from $20 million to $30 million, of which $6 million has been contributed through the first three 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 benefits
(in millions)20232022
Three Months Ended March 31,USNon-USUSNon-US
Service cost$— $4 $— $5 
Interest cost2 16 1 10 
Expected return on plan assets(2)(15)(2)(20)
Amortization of unrecognized prior service credit— — — — 
Amortization of unrecognized loss1 — — 2 
Net periodic benefit expense (income)$1 $5 $(1)$(3)

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.