Borrowings - Summary of Bank Loans (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: current portion | $ 4,096,255 | $ 133,777 | $ 5,041,841 |
| Noncurrent portion | 81,364,448 | 2,657,232 | 94,947,610 |
| Bank loans [member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Long-term borrowings | 85,460,703 | 2,791,009 | 87,991,698 |
| Less: current portion | 4,096,255 | 133,777 | 5,041,841 |
| Noncurrent portion | 81,364,448 | 2,657,232 | 82,949,857 |
| Bank loans [member] | Cost [member] | Other loans [Member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Long-term borrowings | 77,318,195 | 2,525,088 | 79,657,893 |
| Bank loans [member] | Cost [member] | Mortgage loans [Member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Long-term borrowings | $ 8,142,508 | $ 265,921 | $ 8,333,805 |