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Net Defined Benefit Liabilities (Assets) - Summary of Principal Actuarial Assumptions (Detail)
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Bottom of range [member]      
Disclosure of defined benefit plans [line items]      
Discount rate 3.67% 2.40% 2.10%
Salary growth rate 1.70% 1.82% 1.00%
Top of range [member]      
Disclosure of defined benefit plans [line items]      
Discount rate 5.51% 6.29% 3.70%
Salary growth rate 8.96% 8.90% 6.97%