v3.26.1
Intangible Assets - Summary of Intangible Assets (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about intangible assets [line items]      
Beginning balance ¥ 956,077 ¥ 874,919 ¥ 885,056
Acquisition of subsidiaries   144,533  
Additions 835 50,821 1,503
Foreign exchange adjustments (498)    
Disposals/Write off (1,853)    
Impairment (28,350)    
Amortization charge (14,608) (39,766) (11,022)
Ending balance 911,603 956,077 874,919
Adjustment on correction of errors (net of tax) [member]      
Disclosure of detailed information about intangible assets [line items]      
Disposals/Write off   (74,430) (538,566)
Impairment     537,948
Cost [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 1,239,836 1,099,155 1,642,721
Ending balance 1,213,441 1,239,836 1,099,155
Accumulated amortization [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (219,593) (159,624) (155,105)
Ending balance (209,322) (219,593) (159,624)
Accumulated Impairment [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (64,166) (64,612) (602,560)
Ending balance (92,516) (64,166) (64,612)
Accumulated Impairment [Member] | Adjustment on correction of errors (net of tax) [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (64,166)    
Ending balance   (64,166)  
Trademarks and licenses [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 893,313 846,628 846,628
Acquisition of subsidiaries   18,379  
Additions 0 28,306  
Foreign exchange adjustments (498)    
Impairment (28,306)
Ending balance 864,509 893,313 846,628
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   0 (537,948)
Impairment     537,948
Trademarks and licenses [member] | Cost [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 893,313 846,628 1,389,576
Ending balance 892,815 893,313 846,628
Trademarks and licenses [member] | Accumulated amortization [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0 0 (5,000)
Ending balance   0 0
Trademarks and licenses [member] | Accumulated Impairment [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0 0 (537,948)
Ending balance (28,306) 0 0
Trademarks and licenses [member] | Accumulated Impairment [Member] | Adjustment on correction of errors (net of tax) [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 0    
Ending balance   0  
Computer software [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 62,764 28,291 38,428
Acquisition of subsidiaries   126,154  
Additions 835 22,515 1,503
Disposals/Write off (1,853) (74,430) (618)
Impairment (44)   0
Amortization charge (14,608) (39,766) (11,022)
Ending balance 47,094 62,764 28,291
Computer software [member] | Cost [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance 346,523 252,527 253,145
Ending balance 320,626 346,523 252,527
Computer software [member] | Accumulated amortization [member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (219,593) (159,624) (150,105)
Ending balance (209,322) (219,593) (159,624)
Computer software [member] | Accumulated Impairment [Member]      
Disclosure of detailed information about intangible assets [line items]      
Beginning balance (64,166) (64,612) (64,612)
Ending balance ¥ (64,210) ¥ (64,166) ¥ (64,612)