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Borrowings - Summary of Bills Payable (Detail) - Short-term Bills Payable [member] - Commercial Papers [Member]
$ in Thousands
Dec. 31, 2023
TWD ($)
Disclosure of detailed information about borrowings [line items]  
Short Term Bills Payable $ 2,787,340
Gross carrying amount [member]  
Disclosure of detailed information about borrowings [line items]  
Short Term Bills Payable 2,790,000
Unamortized Discounts [member]  
Disclosure of detailed information about borrowings [line items]  
Short Term Bills Payable $ 2,660