Investments Accounted for Using Equity Method - Summary of Investments in Associates (Detail) $ in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2023
TWD ($)
|
Dec. 31, 2022
TWD ($)
|
Dec. 31, 2023
USD ($)
|
|
| Disclosure of associates [line items] | |||
| Carrying Amount | $ 29,442.0 | $ 27,321.7 | $ 961.5 |
| Vanguard International Semiconductor Corporation [member] | |||
| Disclosure of associates [line items] | |||
| Principal Activities | Manufacturing, sales, packaging, testing and computer-aided design of integrated circuits and other semiconductor devices and the manufacturing and design service of masks | Manufacturing, sales, packaging, testing and computer-aided design of integrated circuits and other semiconductor devices and the manufacturing and design service of masks | |
| Place of Incorporation and Operation | Hsinchu, Taiwan | Hsinchu, Taiwan | |
| Carrying Amount | $ 13,496.0 | $ 13,268.2 | |
| % of Ownership and Voting Rights Held by the Company | 28.00% | 28.00% | |
| Systems on Silicon Manufacturing Company Pte Ltd. [member] | |||
| Disclosure of associates [line items] | |||
| Principal Activities | Manufacturing and sales of integrated circuits and other semiconductor devices | Manufacturing and sales of integrated circuits and other semiconductor devices | |
| Place of Incorporation and Operation | Singapore | Singapore | |
| Carrying Amount | $ 9,728.8 | $ 8,934.7 | |
| % of Ownership and Voting Rights Held by the Company | 39.00% | 39.00% | |
| Xintec Inc. [member] | |||
| Disclosure of associates [line items] | |||
| Principal Activities | Wafer level chip size packaging and wafer level post passivation interconnection service | Wafer level chip size packaging and wafer level post passivation interconnection service | |
| Place of Incorporation and Operation | Taoyuan, Taiwan | Taoyuan, Taiwan | |
| Carrying Amount | $ 3,734.3 | $ 3,491.7 | |
| % of Ownership and Voting Rights Held by the Company | 41.00% | 41.00% | |
| Global Unichip Corporation [member] | |||
| Disclosure of associates [line items] | |||
| Principal Activities | Researching, developing, manufacturing, testing and marketing of integrated circuits | Researching, developing, manufacturing, testing and marketing of integrated circuits | |
| Place of Incorporation and Operation | Hsinchu, Taiwan | Hsinchu, Taiwan | |
| Carrying Amount | $ 2,482.9 | $ 1,608.1 | |
| % of Ownership and Voting Rights Held by the Company | 35.00% | 35.00% | |
| Mutual-Pak [member] | |||
| Disclosure of associates [line items] | |||
| Principal Activities | Manufacturing of electronic parts, wholesaling and retailing of electronic materials, and researching, developing and testing of RFID | Manufacturing of electronic parts, wholesaling and retailing of electronic materials, and researching, developing and testing of RFID | |
| Place of Incorporation and Operation | New Taipei, Taiwan | New Taipei, Taiwan | |
| Carrying Amount | $ 19.0 | ||
| % of Ownership and Voting Rights Held by the Company | 28.00% | ||