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Government Grants - Additional Information (Detail) - TWD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Government Grants [Abstract] |  |  |
Government Grants | $ 75,164.3 | $ 47,545.9 | $ 7,051.4
Eligible percentage to apply for government grants | 25.00% |  |

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- Definition The amount of income recognised in relation to government grants. [Refer: Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2024-01-01 -Paragraph 39 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2024-en-r&anchor=para_39_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Eligible percentage to apply for government grants. + References No definition available. + Details
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Period Type: | duration

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- Definition Government grants. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
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