Operating Segments Information - Geographic Information (Detail) - TWD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | $ 3,137,675.8 | $ 2,769,301.3 |
| Taiwan [member] | ||
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | 2,525,608.4 | 2,510,238.7 |
| United States [member] | ||
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | 420,093.1 | 153,137.8 |
| China [member] | ||
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | 97,268.8 | 90,349.7 |
| Japan [member] | ||
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | 94,558.9 | 15,432.5 |
| Europe, the Middle East and Africa [member] | ||
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | 146.2 | 140.7 |
| Others [member] | ||
| Disclosure of geographical areas [line items] | ||
| Non-current Assets | $ 0.4 | $ 1.9 |