Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) $ in Millions, $ in Millions |
Dec. 31, 2023
TWD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
TWD ($)
|
Dec. 31, 2021
TWD ($)
|
|---|---|---|---|---|
| Disclosure Of The Ownership Details Of PropertyPlant And Equipment [Line Items] | ||||
| Property, plant and equipment | $ 3,064,475.0 | $ 100,080.9 | $ 2,693,837.0 | $ 1,975,118.7 |
| Asset used by the Company [member] | ||||
| Disclosure Of The Ownership Details Of PropertyPlant And Equipment [Line Items] | ||||
| Property, plant and equipment | 3,064,424.3 | 2,693,815.7 | 1,975,114.0 | |
| Asset subject to operating lease [member] | ||||
| Disclosure Of The Ownership Details Of PropertyPlant And Equipment [Line Items] | ||||
| Property, plant and equipment | $ 50.7 | $ 21.3 | $ 4.7 |