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Trade Notes and Accounts Payable - Summary of Trade Notes and Accounts Payable (Detail)
$ in Millions, $ in Millions
Dec. 31, 2024
TWD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
TWD ($)
Trade and other current payables [abstract]      
Trade notes and accounts payable $ 17,743 $ 541 $ 14,396