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Pension Benefits (Tables)
3 Months Ended
Mar. 31, 2023
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost
The components of net periodic benefit cost associated with our U.S. pension plans are as follows:

 Quarter ended
 20232022
Service cost$$
Interest cost10 
Expected return on plan assets(12)(12)
Amortization of net loss— 
Amortization of prior service cost— 
Net periodic benefit cost$(1)$