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Operating Segments Information - Geographic Information (Detail) - TWD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of geographical areas [line items] |  |
Non-current Assets | $ 2,769,301.3 | $ 2,037,267.0
Taiwan [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 2,510,238.7 | 1,953,007.7
United States [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 153,137.8 | 41,208.7
China [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 90,349.7 | 41,895.2
Europe, the Middle East and Africa [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 140.7 | 143.9
Japan [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | 15,432.5 | 1,011.0
Others [member] |  |
Disclosure of geographical areas [line items] |  |
Non-current Assets | $ 1.9 | $ 0.5

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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; Financial instruments, class [member]; Non-current assets; Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 33 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_33_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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- Details
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