Inventories - Summary of Inventories (Detail) $ in Millions, $ in Millions	Dec. 31, 2022 TWD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 TWD ($)
Classes of current inventories [abstract]
Finished goods	$ 54,818.4		$ 32,562.8
Work in process	125,661.9		137,700.4
Raw materials	20,389.1		11,111.1
Supplies and spare parts	20,279.7		11,728.0
Inventories, total	$ 221,149.1	$ 7,196.5	$ 193,102.3

No definition available.

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A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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The amount of current inventories. [Refer: Inventories]

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A classification of current inventory representing the amount of assets to be consumed in the production process or in the rendering of services. [Refer: Inventories]

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A classification of current inventory representing the amount of interchangeable parts that are kept in an inventory and are used for the repair or replacement of failed parts. [Refer: Inventories]

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A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]

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