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Net Revenue - Summary of Disaggregation of Revenue from Contracts with Customers by Product (Detail) - TWD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers $ 2,263,891.3 $ 1,587,415.0 $ 1,339,254.8
Wafer [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 1,991,855.9 1,405,300.3 1,178,456.3
Other Products [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers $ 272,035.4 $ 182,114.7 $ 160,798.5