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Employee Benefits - Weighted Average Assumptions Used in Determining Net Periodic Benefit Cost for Pension (Detail) - Pension Benefits
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 2.60% 2.20% 3.00%
Expected rate of return on plan assets 6.00% 6.30% 6.50%