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Net Revenue - Summary of Temporary Receipts From Customers (Detail) - TWD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Text Block [Abstract]    
Current portion (classified under accrued expenses and other current liabilities) $ 114,639.5 $ 107,723.6
Noncurrent portion (classified under other noncurrent liabilities) 163,655.1 168,399.2
Temporary receipts from customers $ 278,294.6 $ 276,122.8