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Contents of Significant Accounts - Summary of Provisions (Detail) - TWD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Contents Of Significant Accounts [Abstract] |  |
Onerous Contracts (classified under other current liabilities) | $ 281,244 | $ 57,800
Decommissioning Liabilities (classified under other noncurrent liabilities) | 695,168 | 602,433
Total | $ 976,412 | $ 660,233

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- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of current provision for onerous contracts. [Refer: Onerous contracts provision] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 66 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_66&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Contents of significant accounts. + References No definition available. + Details
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