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Finance Costs (Tables) | 12 Months Ended
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Dec. 31, 2024
Texts Block [Abstract] |
Summary of Finance Costs |
|  | Years Ended December 31 |
|  | 2022 |  | 2023 |  | 2024 |
|  | NT$ (In Millions) |  | NT$ (In Millions) |  | NT$ (In Millions) |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  |  | $ | 14,116.1 |  |  |  |  |  |  | $ | 17,848.9 |  |  |  |  |  |  | $ | 19,278.1 |
Lease liabilities |  |  |  |  | 267.1 |  |  |  |  |  |  |  | 382.0 |  |  |  |  |  |  |  | 373.4 |
Bank loans |  |  |  |  | 32.0 |  |  |  |  |  |  |  | 95.4 |  |  |  |  |  |  |  | 150.8 |
Others |  |  |  |  | 1.7 |  |  |  |  |  |  |  | 2.8 |  |  |  |  |  |  |  | 3.4 |
Less: Capitalized interest under property, plant and equipment |  |  |  |  | (2,666.9 | ) |  |  |  |  |  |  | (6,329.7 | ) |  |  |  |  |  |  | (9,310.3 | )
|  |  |  | $ | 11,750.0 |  |  |  |  |  |  | $ | 11,999.4 |  |  |  |  |  |  | $ | 10,495.4 |
Information about capitalized interest is as follows:
|  | Years Ended December 31 |
|  | 2023 |  |  | 2024 |
Capitalization rate |  |  | 1.08%-3.36% |  |  |  | 1.20%-3.34% |

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