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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, 2024
Subsidiaries
Jointventure
shares
Dec. 31, 2023
Subsidiaries
Jointventure
Dec. 31, 2015
shares
Dec. 31, 2013
Dec. 31, 2011
Disclosure of Corporate Information [Line Items]                      
Number of indirectly owned subsidiaries | Subsidiaries             40 33      
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% 50.10% 49.40%
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 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             22.10%        
Guangxi Yuchai Machinery Monopoly Development Company Limited [member]                      
Disclosure of Corporate Information [Line Items]                      
Number of subsidiaries | Subsidiaries             33 27