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Operating Segments Information - Geographic Information (Detail) - TWD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure of geographical areas [line items] |  |
Non-current Assets | $ 3,383,106.4 | $ 3,137,675.8
Taiwan [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 2,613,112.2 | 2,525,608.4
United States [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 541,836.3 | 420,093.1
Japan [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 126,600.6 | 94,558.9
China [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 82,405.8 | 97,268.8
Europe, the Middle East and Africa [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 19,150.1 | 146.2
Others [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | $ 1.4 | $ 0.4

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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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; Classes of financial instruments [domain]; Non-current assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2024-01-01 -Paragraph 33 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2024-en-r&anchor=para_33_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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- Details
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- Details
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- Details
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