Contents of Significant Accounts - Short-Term Loans (Detail) $ in Thousands, $ in Thousands |
Dec. 31, 2025
TWD ($)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
TWD ($)
|
|---|---|---|---|
| Disclosure of detailed information about borrowings [line items] | |||
| Short-term loans | $ 8,408,772 | $ 268,051 | $ 8,515,000 |
| Bottom of range [member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Interest rates applied | 1.78% | 1.78% | 1.87% |
| Top of range [member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Interest rates applied | 4.75% | 4.75% | 2.99% |
| Unsecured bank loans [member] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Short-term loans | $ 8,408,772 | $ 8,515,000 |