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Employee Benefit Plans (Weighted-Average Assumptions Used to Determine Benefit Obligations) (Detail)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Retirement Benefits [Abstract]      
Benefit obligations, Discount rate 2.79% 2.43% 3.20%
Net periodic benefit cost, Discount rate 2.43% 3.20% 4.36%
Net periodic benefit cost, Expected return on plan assets 7.25% 7.25% 7.25%