v3.26.1
Borrowings - Summary of Bills Payable (Detail) - Short-term Bills Payable [member] - Commercial Papers [Member]
$ in Thousands, $ in Thousands
Dec. 31, 2025
TWD ($)
Dec. 31, 2025
USD ($)
Disclosure of detailed information about borrowings [line items]    
Short Term Bills Payable $ 2,198,419 $ 70,080
Annual interest rate (%) 1.72% 1.72%
Gross carrying amount [member]    
Disclosure of detailed information about borrowings [line items]    
Short Term Bills Payable $ 2,200,000 $ 70,131
Unamortized Discounts [member]    
Disclosure of detailed information about borrowings [line items]    
Short Term Bills Payable $ 1,581 $ 51