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Income Tax - Summary of Operating Loss Carryforward and Deductible Temporary Differences (Detail) - TWD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] |  |
No expiry date | $ 640.0 | $ 11,896.9
Expire in succession after 2032 |  | 2,781.4
Deductible temporary differences | $ 83,705.6 | $ 52,686.2

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- Definition The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_e&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Deductible temporary differences for which no deferred tax asset is recognized expire in succession after 2032. + References No definition available. + Details
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- Definition Deductible temporary differences for which no deferred tax asset is recognized without expiry date. + References No definition available. + Details
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