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Bonds Payable - Summary of Bonds Payable (Detail) - TWD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure Of Detailed Information About Bonds Payable [Abstract] |  |
Unsecured domestic bonds | $ 30,500 | $ 30,500
Less: Discounts on bonds payable | (17) | (23)
Bonds payable | $ 30,483 | $ 30,477

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- Definition Disclosure of detailed information about bonds payable. + References No definition available. + Details
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- Definition Discounts on bonds payable. + References No definition available. + Details
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- Definition Unsecured domestic bonds. + References No definition available. + Details
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- Definition The amount of bonds issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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