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Inventories - Additional Information (Detail) $ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2023 TWD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 TWD ($) | Dec. 31, 2021 TWD ($)
Classes of current inventories [abstract] |  |  |  |
Operating costs related to inventories | $ 53,814 |  | $ 49,544 | $ 51,180
Valuation loss on inventories recognized as operating costs | 23 | $ 1 | 34 | $ 207
Inventory to be realized from the sale after more than twelve months | $ 2,115 |  | $ 2,102 |

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- Definition The amount of inventories recognized as an cost during the period. + References No definition available. + Details
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- Definition Inventory to be realized from the sale after more than twelve months. + References No definition available. + Details
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Balance Type: | debit
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- References No definition available. + 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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