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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2023
Classes of current inventories [abstract] |
Summary of Inventories |
|  | December 31 |
|  | 2022 |  |  | 2023 |
|  | NT$ |  |  | NT$ |
|  | (In Millions) |
Merchandise |  | $ | 3,978 |  |  | $ | 4,340 |
Project in process |  |  | 4,859 |  |  |  | 4,771 |
Work in process |  |  | 98 |  |  |  | 74 |
Raw materials |  |  | 279 |  |  |  | 221 |
|  |  | 9,214 |  |  |  | 9,406 |
Land held under development |  |  | 1,999 |  |  |  | 1,999 |
Construction in progress |  |  | 103 |  |  |  | 116 |
|  | $ | 11,316 |  |  | $ | 11,521 |

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