v3.25.4
Intangible Assets - Summary of Intangible Assets (Detail) - CNY (¥)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about intangible assets [line items]      
Beginning balance ¥ 874,919,000 ¥ 885,056,000 ¥ 899,406,000
Acquisition of subsidiaries 144,533,000    
Additions 50,821,000 1,503,000 2,134,000
Disposals/Write off (74,430,000)    
Amortization charge (39,766,000) (11,022,000) (15,325,000)
Ending balance 956,077,000 874,919,000 885,056,000
Adjustment on correction of errors (net of tax) [member]      
Disclosure of detailed information about intangible assets [line items]      
Disposals/Write off   (538,566,000) (426,756,000)
Impairment   537,948,000 425,597,000
Cost [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 1,099,155,000 1,642,721,000 2,073,765,000
Ending balance 1,239,836,000 1,099,155,000 1,642,721,000
Accumulated amortization [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (159,624,000) (155,105,000) (146,202,000)
Ending balance (219,593,000) (159,624,000) (155,105,000)
Accumulated Impairment [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (64,612,000) (602,560,000) (1,028,157,000)
Ending balance (64,166,000) (64,612,000) (602,560,000)
Trademarks and licenses [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 846,628,000 846,628,000 846,628,000
Acquisition of subsidiaries 18,379,000    
Additions 28,306,000    
Impairment 0 0 0
Ending balance 893,313,000 846,628,000 846,628,000
Trademarks and licenses [member] | Adjustment on correction of errors (net of tax) [member]      
Disclosure of detailed information about intangible assets [line items]      
Disposals/Write off   (537,948,000) (426,000,000)
Impairment   537,948,000 426,000,000
Trademarks and licenses [member] | Cost [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 846,628,000 1,389,576,000 1,815,576,000
Ending balance 893,313,000 846,628,000 1,389,576,000
Trademarks and licenses [member] | Accumulated amortization [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0 (5,000,000) (5,000,000)
Ending balance   0 (5,000,000)
Trademarks and licenses [member] | Accumulated Impairment [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0 (537,948,000) (963,948,000)
Ending balance 0 0 (537,948,000)
Computer software [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 28,291,000 38,428,000 52,778,000
Acquisition of subsidiaries 126,154,000    
Additions 22,515,000 1,503,000 2,134,000
Disposals/Write off (74,430,000) (618,000) (756,000)
Impairment     (403,000)
Amortization charge (39,766,000) (11,022,000) (15,325,000)
Ending balance 62,764,000 28,291,000 38,428,000
Computer software [member] | Cost [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 252,527,000 253,145,000 258,189,000
Ending balance 346,523,000 252,527,000 253,145,000
Computer software [member] | Accumulated amortization [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (159,624,000) (150,105,000) (141,202,000)
Ending balance (219,593,000) (159,624,000) (150,105,000)
Computer software [member] | Accumulated Impairment [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (64,612,000) (64,612,000) (64,209,000)
Ending balance ¥ (64,166,000) ¥ (64,612,000) ¥ (64,612,000)