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Other Assets - Summary of Other Assets (Detail)
$ in Millions, $ in Millions
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Miscellaneous assets [abstract]      
Spare parts $ 2,233   $ 3,380
Refundable deposits 1,995   1,964
Other financial assets 1,000   1,000
Others 1,634   1,741
Other assets 7,451   8,260
Others 589   175
Other current assets 2,822 $ 92 3,555
Others 2,223   1,916
Other noncurrent assets $ 4,629 $ 151 $ 4,705