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Summary of Material Accounting Policy Information - Detail Information of Subsidiaries (Parenthetical) (Detail) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023
European Semiconductor Manufacturing Company (ESMC) GmbH [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Percentage of Ownership |  | 70.00% | 100.00%
European Semiconductor Manufacturing Company (ESMC) GmbH [member] | Non Adjusting Events After Reporting Period [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Percentage of Ownership | 70.00% |  |
Percentage of shares sold | 10.00% |  |
Japan Advanced Semiconductor Manufacturing, Inc. [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Percentage of Ownership |  | 73.00% | 71.00%
Proportion of voting rights |  | 73.00% | 81.00%

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