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Net Revenue - Summary of Contract Balances (Detail) - TWD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Jan. 01, 2021
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Accrued expenses and other current liabilities [member] |  |  |
Disclosure of contract liabilities [line items] |  |  |
Contract liabilities (classified under accrued expenses and other current liabilities) | $ 52,736.4 | $ 70,806.6 | $ 39,762.6

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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 105 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_105&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 116 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_116_a&doctype=Standard -URIDate 2023-03-23 + Details
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Period Type: | instant

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- Definition Disclosure of contract liabilities. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |