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Net Income - Impairment Loss (Reversal of Impairment Loss) (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2023 TWD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 TWD ($) | Dec. 31, 2021 TWD ($)
Disclosure of impairment loss and reversal of impairment loss [abstract] |  |  |  |
Contract assets | $ 2,000,000 |  | $ 1,000,000 | $ 0
Trade notes and accounts receivable | 128,000,000 |  | 109,000,000 | 123,000,000
Other receivables | 22,000,000 |  | 7,000,000 | 20,000,000
Inventories | 23,000,000 | $ 1 | 34,000,000 | 207,000,000
Property, plant and equipment | 299,000,000 |  | 0 | 0
Right-of-use assets | 0 | 0 | 0 | 420,000,000
Investment properties | 336,000,000 | 10 | (107,000,000) | (83,000,000)
Intangible assets | $ 0 | $ 0 | $ 9,000,000 | $ 29,000,000

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- Definition Impairment loss (reversal of impairment loss) recognised in profit or loss other receivables. + References No definition available. + Details
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- Definition Impairment loss (reversal) on receivables or contract assets arising from contracts with customers. + References No definition available. + Details
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- Definition Impairment (reversal of) loss on investment properties. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for intangible assets and goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_iv&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of impairment loss or reversal of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Reversal of impairment loss recognised in profit or loss; Trade receivables] + 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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- Definition The amount of expense recognised related to the write-down of inventories to net realisable value. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2023-01-01 -Paragraph 36 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_36_e&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 98 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_98_a&doctype=Standard -URIDate 2023-03-23 + Details
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