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Long-term Bank Loans - Additional Information (Detail)
$ in Millions
60 Months Ended
Dec. 31, 2024
TWD ($)
Maximum [Member]  
Disclosure of detailed information about borrowings [Line Items]  
Maturity of loan ten years
Minimum [Member]  
Disclosure of detailed information about borrowings [Line Items]  
Maturity of loan seven years
Government granted bank loans [Member]  
Disclosure of detailed information about borrowings [Line Items]  
Principal amount of loan $ 25,440