Other Payables - Summary of Other Payables (Detail) $ in Thousands, $ in Thousands |
Dec. 31, 2025
TWD ($)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
TWD ($)
|
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Payables to contractors and equipment suppliers | $ 35,284,404 | $ 1,124,782 | $ 28,437,260 |
| Accrued salary and bonus | 16,227,683 | 517,299 | 14,348,803 |
| Accrued employees' compensation and remuneration to directors | 6,538,877 | 208,444 | 5,430,708 |
| Accrued employee insurance | 1,484,560 | 47,324 | 1,327,715 |
| Accrued utilities | 1,391,959 | 44,372 | 1,206,555 |
| Others | 13,888,807 | 442,742 | 12,428,194 |
| Other payables | $ 74,816,290 | $ 2,384,963 | $ 63,179,235 |