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Corporate Information - Additional Information (Detail) |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 shares | Apr. 04, 2012 | Jan. 16, 2012 shares | Jan. 13, 2012 shares | Dec. 31, 2013 | Dec. 31, 2011 | Dec. 31, 2023 JointVenture Subsidiaries shares | Dec. 31, 2022 Subsidiaries JointVenture | Dec. 31, 2015 shares
Disclosure of Corporate Information [Line Items] |  |  |  |  |  |  |  |  |
Number of indirectly owned subsidiaries | Subsidiaries |  |  |  |  |  |  | 33 | 32 |
Number of directly owned subsidiaries | Subsidiaries |  |  |  |  |  |  | 10 | 10 |
Number of joint ventures | JointVenture |  |  |  |  |  |  | 5 | 5 |
HL Global Enterprises Limited [member] |  |  |  |  |  |  |  |  |
Disclosure of Corporate Information [Line Items] |  |  |  |  |  |  |  |  |
Ownership interest in subsidiary | 50.20% | 48.90% | 48.10% |  | 50.10% | 49.40% | 50.20% | 50.20% | 50.20%
Number of preference shares converted into ordinary shares |  |  |  | 24,189,170 |  |  |  |  |
Percentage of unconverted preference shares transfer to trustee |  |  |  | 100.00% |  |  |  |  |
Conversion of convertible preference shares into ordinary shares |  |  | 24,189,170 |  |  |  |  |  |
Number of shares purchased in open market | 465,000 |  |  |  |  |  |  |  |
Number of ordinary shares exercise to consolidation |  |  |  |  |  |  |  |  | 10
Number of ordinary shares exercised into consolidation |  |  |  |  |  |  |  |  | 1
Number of ordinary shares held upon completion of consolidation exercise |  |  |  |  |  |  |  |  | 47,107,707
Foreign Shares Of Yuchai [member] |  |  |  |  |  |  |  |  |
Disclosure of Corporate Information [Line Items] |  |  |  |  |  |  |  |  |
Number of wholly owned subsidiaries | Subsidiaries |  |  |  |  |  |  | 6 |  |
Percentage of issued share capital held by group |  |  |  |  |  |  | 76.40% |  |
Number of shares owned by entity |  |  |  |  |  |  | 361,420,150 |  |
Guangxi Yuchai Machinery Group Company Limited [member] |  |  |  |  |  |  |  |  |
Disclosure of Corporate Information [Line Items] |  |  |  |  |  |  |  |  |
Proportion of ownership interests held in parent |  |  |  |  |  |  | 22.09% |  |
Guangxi Yuchai Machinery Monopoly Development Company Limited [member] |  |  |  |  |  |  |  |  |
Disclosure of Corporate Information [Line Items] |  |  |  |  |  |  |  |  |
Number of wholly owned subsidiaries | Subsidiaries |  |  |  |  |  |  | 27 | 27 |
Ownership interest in subsidiary |  |  |  |  |  |  | 54.90% | 54.90% |

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