v3.26.1
Summary of Significant Accounting Policies - Intangible assets, net, Impairment of long lived assets other than goodwill and Employee benefits (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Summary of Significant Accounting Policies      
Impairment of long-lived assets ¥ 0 ¥ 0 ¥ 0
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income Extensible Enumeration not Disclosed Flag true true true
Impairment of indefinite lived intangible assets ¥ 0 ¥ 0 ¥ 0
Employee benefits      
Legal obligation 0    
Shares issued, value, share-based payment arrangement, forfeited 0 0 0
Employee benefit expenses ¥ 2,694,257,000 ¥ 2,508,000,000 ¥ 1,682,610,000
Software, Patents and licenses | Minimum      
Summary of Significant Accounting Policies      
Intangible asset, useful lives (in years) 2 years    
Software, Patents and licenses | Maximum      
Summary of Significant Accounting Policies      
Intangible asset, useful lives (in years) 10 years