v3.26.1
Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Financial Assets at Fair Value Through Other Comprehensive Income (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2025
TWD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
TWD ($)
Financial assets at fair value through other comprehensive income [abstract]      
Investments in equity instruments $ 12,607,114 $ 401,885 $ 12,933,733
Investments in debt instruments 1,008,140 32,137 1,025,760
Total $ 13,615,254 $ 434,022 $ 13,959,493