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Retirement Plans, Postretirement and Postemployment Benefits - Schedule of Weighted-Average Assumptions (Detail)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pension      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.88% 3.23%  
Rate of increase in future compensation levels 4.50% 4.50%  
Discount rate 3.44% 3.16% 3.69%
Rate of increase in future compensation levels 4.50% 4.50% 4.50%
Expected long-term rate of return on assets 6.75% 6.75% 6.75%
Postretirement Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 6.02% 3.02%  
Discount rate 3.02% 2.48% 3.29%