Borrowings - Summary of Short Term Borrowings (Detail) $ in Thousands, $ in Thousands |
Dec. 31, 2023
TWD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
TWD ($)
|
|---|---|---|---|
| Disclosure of detailed information about borrowings [line items] | |||
| Less: financial liabilities for hedging - current | $ (12,516,971) | $ (408,784) | $ (12,204,620) |
| Short-term borrowings | 37,737,217 | 1,232,437 | 34,526,510 |
| Short Term Bank Loans [Member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Secured bank loans, annual interest rates were 2.73%-3.63% and 4.80%-5.40% as of December 31, 2022 and 2023, respectively | 354,064 | 11,563 | 772,896 |
| Unsecured bank loans, annual interest rates were 1.42%-6.50% and 1.55%-7.57% as of December 31, 2022 and 2023, respectively | 49,900,124 | 1,629,658 | 45,958,234 |
| Borrowings | 50,254,188 | 1,641,221 | 46,731,130 |
| Less: financial liabilities for hedging - current | 12,516,971 | 408,784 | 12,204,620 |
| Short-term borrowings | $ 37,737,217 | $ 1,232,437 | $ 34,526,510 |