v3.22.4
Significant accounting policies (Details)
¥ in Thousands, $ in Thousands
12 Months Ended 60 Months Ended
Nov. 13, 2018
Jan. 10, 2017
Jan. 05, 2017
Sep. 26, 2016
Jul. 19, 2016
Jan. 18, 2010
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2022
CNY (¥)
seat
tranche
Dec. 31, 2022
USD ($)
seat
tranche
Dec. 31, 2012
Aug. 31, 2010
Disclosure of joint ventures [line items]                            
Number of board seats | tranche                     2 2    
Synergy Ballard JVCo                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in joint venture       90.00%     10.00% 10.00% 10.00% 10.00%        
Synergy Ballard JVCo | Synergy Ballard JVCo                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in joint venture       10.00%                    
Weichai Ballard JV                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in subsidiary 49.00%                          
Number of board seats                     5 5    
Proportion of ownership interest in joint venture             49.00% 49.00% 49.00% 49.00%        
Expected contributions to acquire interests in joint venture | ¥                     ¥ 561,000      
Contributions             ¥ 62,475 $ 9,272 ¥ 79,625 $ 12,351        
Weichai Ballard JV | Weichai Power                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in subsidiary 51.00%                          
Number of board seats                     3 3    
Expected contributions to acquire interests in joint venture                     ¥ 539,000 $ 79,369    
Guangzhou Ballard Power Systems Co., Ltd.                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in subsidiary   100.00%         100.00% 100.00% 100.00% 100.00%        
Intellectual property acquired from Ballard Motive Solutions (notes 7 and 27)                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in subsidiary     100.00%     45.00% 100.00% 100.00% 100.00% 100.00%        
Additional interests acquired                         5.00% 7.00%
Intellectual property acquired from Ballard Motive Solutions (notes 7 and 27) | Dansk Industri Invest A/S                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in subsidiary     43.00%                      
Ballard Hong Kong Ltd.                            
Disclosure of joint ventures [line items]                            
Proportion of ownership interest in subsidiary         100.00%   100.00% 100.00% 100.00% 100.00%