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Equity - Appropriations of Earnings and Dividends Per Share (Detail) $ / shares in Units, $ in Millions, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2024 TWD ($) $ / shares | Sep. 30, 2024 TWD ($) $ / shares | Jun. 30, 2024 TWD ($) $ / shares | Mar. 31, 2024 TWD ($) $ / shares | Dec. 31, 2023 TWD ($) $ / shares | Sep. 30, 2023 TWD ($) $ / shares | Jun. 30, 2023 TWD ($) $ / shares | Mar. 31, 2023 TWD ($) $ / shares | Dec. 31, 2022 TWD ($) $ / shares | Sep. 30, 2022 TWD ($) $ / shares | Jun. 30, 2022 TWD ($) $ / shares | Mar. 31, 2022 TWD ($) $ / shares | Dec. 31, 2024 TWD ($) | Dec. 31, 2023 TWD ($) | Dec. 31, 2022 TWD ($) | Dec. 31, 2024 USD ($)
Resolution date of TSMC's Board of Directors in its meeting |  |  |  |  |  |  |  |  |  |  |  |  | Feb. 12, 2025 | Feb. 06, 2024 | Feb. 14, 2023 |
Special capital reserve | $ 311,147.0 |  |  |  | $ 311,147.0 |  |  |  |  |  |  |  | $ 311,147.0 | $ 311,147.0 |  | $ 9,489.1
Cash dividends per share | $ / shares | $ 4.5 | $ 4.5 | $ 4 | $ 4 | $ 3.5 | $ 3.5 | $ 3 | $ 3 | $ 2.75 | $ 2.75 | $ 2.75 | $ 2.75 |  |  |  |
Appropriation of earnings [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Resolution date of TSMC's Board of Directors in its meeting | Feb. 12, 2025 | Nov. 12, 2024 | Aug. 13, 2024 | May 10, 2024 | Feb. 06, 2024 | Nov. 14, 2023 | Aug. 08, 2023 | May 09, 2023 | Feb. 14, 2023 | Nov. 08, 2022 | Aug. 09, 2022 | May 10, 2022 |  |  |  |
Special capital reserve | $ 0.0 | $ 0.0 | $ 0.0 | $ (28,020.8) | $ 28,020.8 | $ 17,228.4 | $ (6,365.5) | $ 3,273.5 | $ 17,166.2 | $ 31,910.4 | $ (12,002.8) | $ (15,541.0) | $ 0.0 | $ 28,020.8 | $ 17,166.2 |
Cash dividends to shareholders | $ 116,697.3 | $ 116,697.3 | $ 103,721.5 | $ 103,734.5 | $ 90,762.2 | $ 90,762.3 | $ 77,796.2 | $ 77,796.2 | $ 71,308.5 | $ 71,308.5 | $ 71,308.5 | $ 71,308.5 |  |  |  |

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- Definition A component of equity representing the capital reserves. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of dividends recognised as distributions to owners of the parent. [Refer: Parent [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_106_d&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount, per share, of dividends recognised as distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 107 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_107&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Resolution date of board meeting. + References No definition available. + Details
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- Details
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