v3.26.1
SUMMARY OF PRINCIPAL ACCOUNTING POLICIES - Loyalty Program (Details) - CNY (¥)
¥ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accounting policies      
Net revenues ¥ 25,307 ¥ 23,891 ¥ 21,882
Minimum      
Accounting policies      
Estimated Membership Duration 2 years    
Maximum      
Accounting policies      
Estimated Membership Duration 5 years    
Loyalty program      
Accounting policies      
Net revenues ¥ 411 ¥ 338 ¥ 288