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Contents of Significant Accounts - Amortization Amounts of Intangible Assets (Detail) - TWD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Operating costs [member] |  |
Disclosure Of Intangible Assets [Line Items] |  |
Amortization amounts of intangible assets | $ 999,321 | $ 1,144,960
Operating expenses [member] |  |
Disclosure Of Intangible Assets [Line Items] |  |
Amortization amounts of intangible assets | $ 1,637,217 | $ 1,410,650

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- Definition The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph e -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_vi&doctype=Standard -URIDate 2024-03-27 + Details
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