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Net Revenue - Summary of Temporary Receipts From Customers (Detail) - TWD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Text Block [Abstract]    
Current portion (classified under accrued expenses and other current liabilities) $ 107,723.6 $ 30,612.7
Noncurrent portion (classified under other noncurrent liabilities) 168,399.2 155,381.5
Temporary receipts from customers $ 276,122.8 $ 185,994.2