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RETIREMENT BENEFITS PLANS
 3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
RETIREMENT BENEFITS PLANS RETIREMENT BENEFITS PLANS
The components of retirement benefits expense are as follows:
United States
pension benefit expense		Non-United States
pension benefit expense
Three months ended March 31
(In millions)2024202320242023
Service cost$5 $5 $12 $11 
Interest cost33 36 21 21 
Expected return on plan assets(47)(49)(33)(30)
Amortization2 1 3 1 
(7)(7)3 3 
Settlements9 9 1 1 
Total expense$1 $2 $4 $4 
The components of retirement benefits expense other than service costs are included in Other income - net.
During 2020, the Company announced it was freezing its United States pension plans for its non-union employees. The freeze was effective January 1, 2021 for non-union U.S. employees whose retirement benefit was determined under a cash balance formula and is effective January 1, 2026 for non-union U.S. employees whose retirement benefit is determined under a final average pay formula.