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Net Revenue - Summary of Disaggregation of Revenue from Contracts with Customers Based on Resolution (Detail) - TWD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | $ 2,894,307.7 | $ 2,161,735.8 | $ 2,263,891.3
Wafer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 2,514,461.3 | 1,882,518.1 | 1,991,855.9
Wafer [member] | 3-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 459,530.2 | 108,045.3 |
Wafer [member] | 5-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 861,318.9 | 629,300.4 | 508,689.9
Wafer [member] | 7-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 416,790.3 | 357,270.7 | 535,178.7
Wafer [member] | 16-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 202,383.7 | 191,306.1 | 258,544.3
Wafer [member] | 20-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 4,077.2 | 10,359.0 | 8,853.3
Wafer [member] | 28-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 188,155.0 | 186,924.9 | 206,611.9
Wafer [member] | 40/45-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 108,468.2 | 114,667.4 | 145,546.2
Wafer [member] | 65-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 93,120.1 | 107,425.4 | 93,288.6
Wafer [member] | 90-nanometer [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 21,509.3 | 25,642.0 | 40,184.2
Wafer [member] | 0.11/0.13 micron [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 52,442.8 | 47,149.3 | 57,992.3
Wafer [member] | 0.15/0.18 micron [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | 90,796.8 | 86,614.2 | 110,571.2
Wafer [member] | 0.25 micron and above [member] |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Revenue from contracts with customers | $ 15,868.8 | $ 17,813.4 | $ 26,395.3

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 114 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_114&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 113 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_113_a&doctype=Standard -URIDate 2024-03-27 + Details
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