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Operating Segment Information - Geographic Non-current Assets Information (Detail) - TWD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Disclosure of Geographical Areas [Line Items] |  |
Non-current assets | $ 260,306,236 | $ 207,863,887
Taiwan [member] |  |
Disclosure of Geographical Areas [Line Items] |  |
Non-current assets | 158,066,796 | 130,812,383
Singapore [member] |  |
Disclosure of Geographical Areas [Line Items] |  |
Non-current assets | 55,322,448 | 29,080,766
China (includes Hong Kong) [member] |  |
Disclosure of Geographical Areas [Line Items] |  |
Non-current assets | 33,424,815 | 37,213,538
Japan [member] |  |
Disclosure of Geographical Areas [Line Items] |  |
Non-current assets | 13,415,669 | 10,736,562
Others [member] |  |
Disclosure of Geographical Areas [Line Items] |  |
Non-current assets | $ 76,508 | $ 20,638

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- Definition The amount of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Financial instruments, class [member]; Non-current assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2023-01-01 -Paragraph 33 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_33_b&doctype=Standard -URIDate 2023-03-23 + Details
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