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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail) $ in Millions, $ in Millions | Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 TWD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 TWD ($) | Dec. 31, 2021 TWD ($)
--- | --- | --- | --- | --- | --- | ---
Cash |  |  |  |  |  |
Cash on hand | $ 444 |  | $ 404 |  |  |
Bank deposits | 13,243 |  | 9,522 |  |  |
Cash | 13,687 |  | 9,926 |  |  |
Cash equivalents (with maturities of less than three months) |  |  |  |  |  |
Commercial paper | 16,887 |  | 14,496 |  |  |
Negotiable certificates of deposit | 2,800 |  | 5,900 |  |  |
Time deposits | 2,884 |  | 3,502 |  |  |
Stimulus Vouchers | 2 |  | 0 |  |  |
Cash equivalents | 22,573 |  | 23,898 |  |  |
Cash and cash equivalents | $ 36,260 | $ 1,106 | $ 33,824 | $ 1,032 | $ 50,193 | $ 39,779

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_i&doctype=Standard -URIDate 2024-03-27 + Details
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