XML 142 R121.htm IDEA: XBRL DOCUMENT v3.23.1
Net Revenue - Summary of Disaggregation of Revenue from Contracts with Customers Based on Platform Type (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
High performance computing [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 932,383.7 587,780.1 439,810.0
Smartphone [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 888,879.2 695,091.2 645,303.6
Internet of things [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 196,115.0 133,006.0 110,355.2
Automotive [Member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 116,381.0 67,076.4 44,367.5
Digital consumer electronics [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 56,158.8 55,577.2 54,555.7
Others [member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers $ 73,973.6 $ 48,884.1 $ 44,862.8