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Intangible Assets - Summary of Intangible Assets (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance ¥ 1,758,582      
Amortization [1] 64,939 $ 9,341 ¥ 38,957 ¥ 1,012
Intangible assets and goodwill ending balance 1,874,824 269,685 1,758,582  
Technology Know-how [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 383,845      
Intangible assets and goodwill ending balance 440,133 63,311 383,845  
Development costs [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 992,290      
Intangible assets and goodwill ending balance 1,052,244 151,361 992,290  
Goodwill [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 212,636      
Intangible assets and goodwill ending balance 212,636 30,587 212,636  
Trademarks [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 169,811      
Intangible assets and goodwill ending balance 169,811 $ 24,426 169,811  
Cost [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 1,931,938   1,618,367  
Addition 181,181   313,571  
Transfer 0      
Intangible assets and goodwill ending balance 2,113,119   1,931,938 1,618,367
Cost [member] | Technology Know-how [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 551,526   136,822  
Addition 0      
Transfer 121,227   414,704  
Intangible assets and goodwill ending balance 672,753   551,526 136,822
Cost [member] | Development costs [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 992,290   1,093,423  
Addition 181,181   313,571  
Transfer (121,227)   (414,704)  
Intangible assets and goodwill ending balance 1,052,244   992,290 1,093,423
Cost [member] | Goodwill [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 218,311   218,311  
Addition 0      
Transfer 0      
Intangible assets and goodwill ending balance 218,311   218,311 218,311
Cost [member] | Trademarks [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 169,811   169,811  
Addition 0      
Transfer 0      
Intangible assets and goodwill ending balance 169,811   169,811 169,811
Accumulated depreciation, amortisation and impairment [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 173,356   134,399  
Amortization 64,939   38,957  
Intangible assets and goodwill ending balance 238,295   173,356 134,399
Accumulated depreciation, amortisation and impairment [member] | Technology Know-how [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 167,681   128,724  
Amortization 64,939   38,957  
Intangible assets and goodwill ending balance 232,620   167,681 128,724
Accumulated depreciation, amortisation and impairment [member] | Development costs [member]        
Disclosure of detailed information about intangible assets [line items]        
Amortization 0      
Intangible assets and goodwill ending balance 0      
Accumulated depreciation, amortisation and impairment [member] | Goodwill [member]        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets and goodwill beginning balance 5,675   5,675  
Intangible assets and goodwill ending balance 5,675   ¥ 5,675 ¥ 5,675
Accumulated depreciation, amortisation and impairment [member] | Trademarks [member]        
Disclosure of detailed information about intangible assets [line items]        
Amortization 0      
Intangible assets and goodwill ending balance ¥ 0      
[1] The higher amortization charges in 2021 and 2022 are mainly due to the amortization charged on additional Technology
Know-how
recognized during the year which are transferred from Group capitalized development cost upon completion and ready for use.