v3.26.1
RELATED PARTY TRANSACTIONS AND BALANCES (Details)
€ in Millions, ¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
RELATED PARTY TRANSACTIONS AND BALANCES          
Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration] srt:AffiliatedEntityMember     srt:AffiliatedEntityMember  
Total revenues ¥ 25,307 $ 3,618 € 750 ¥ 23,891 ¥ 21,882
Related party          
RELATED PARTY TRANSACTIONS AND BALANCES          
Allowance for expected credit losses (37)     (64)  
Total 314     348  
Amounts due to related parties 129     74  
Related party | Trip.com          
RELATED PARTY TRANSACTIONS AND BALANCES          
Amounts due from related parties 265     284  
Amounts due to related parties 60     41  
Related party | Trip.com | Commission expenses          
RELATED PARTY TRANSACTIONS AND BALANCES          
Expenses with related parties 307     297 260
Related party | Trip.com | Lease expenses          
RELATED PARTY TRANSACTIONS AND BALANCES          
Expenses with related parties 19     19 19
Related party | Trip.com | Service fee          
RELATED PARTY TRANSACTIONS AND BALANCES          
Total revenues 116     146 112
Related party | Lianquan          
RELATED PARTY TRANSACTIONS AND BALANCES          
Amounts due from related parties 19     49  
Related party | Lianquan | Sublease income          
RELATED PARTY TRANSACTIONS AND BALANCES          
Total revenues       11 10
Related party | Huamai          
RELATED PARTY TRANSACTIONS AND BALANCES          
Amounts due from related parties 16     26  
Related party | Zhuchuang          
RELATED PARTY TRANSACTIONS AND BALANCES          
Amounts due from related parties 14     14  
Related party | Cjia Group          
RELATED PARTY TRANSACTIONS AND BALANCES          
Amounts due from related parties 12     15  
Amounts due to related parties 20     14  
Related party | Cjia Group | Lease expenses          
RELATED PARTY TRANSACTIONS AND BALANCES          
Expenses with related parties 38     36 37
Related party | Cjia Group | Goods sold and service provided          
RELATED PARTY TRANSACTIONS AND BALANCES          
Total revenues 28     32 17
Related party | Cjia Group | Sublease income          
RELATED PARTY TRANSACTIONS AND BALANCES          
Total revenues 5     6 5
Related party | Others          
RELATED PARTY TRANSACTIONS AND BALANCES          
Amounts due from related parties 25     24  
Amounts due to related parties 49     19  
Related party | Azure | Service fee          
RELATED PARTY TRANSACTIONS AND BALANCES          
Total revenues ¥ 21     ¥ 21 ¥ 17