v3.26.1
Debts and lines of credit (Details)
¥ in Millions, $ in Millions
1 Months Ended 12 Months Ended
Apr. 30, 2022
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
USD ($)
item
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Lines of credit and loan facilities            
Short-term debts   ¥ 8,014     $ 1,146 ¥ 7,581
Long-term borrowings [1]   41,675       31,705
Debt Instrument, Collateral Amount   38,138        
Debt Instrument, Face Amount   8,300        
Long-Term Debt, Current Maturities [1]   3,197       ¥ 3,679
Public Offering Corporate Bonds            
Lines of credit and loan facilities            
Short-term debts   2,000        
Long-term borrowings   4,000        
Debt instrument aggregate registered principal amount   10,000        
Debt Instrument, Face Amount   ¥ 6,000        
Public Offering Corporate Bonds | Maximum            
Lines of credit and loan facilities            
Debt Instrument, Interest Rate During Period   1.87%        
Debt Instrument, Term   5 years        
Public Offering Corporate Bonds | Minimum            
Lines of credit and loan facilities            
Debt Instrument, Interest Rate During Period   1.55%        
Debt Instrument, Term   1 year        
Collateral Pledged            
Lines of credit and loan facilities            
Long-term borrowings   ¥ 19,933        
Prime Rate            
Lines of credit and loan facilities            
Term (in years)     7 years      
Maximum borrowing capacity under facilities   ¥ 3,000        
Percentage over variable rate basis   0.65%        
Percentage below variable rate basis   1.45%        
Proceeds from long-term borrowings   ¥ 1,000 ¥ 2,000      
Long-term borrowings   2,760        
Long-Term Debt, Current Maturities   180        
Term and Revolving Credit Facilities            
Lines of credit and loan facilities            
Term (in years)       5 years    
Maximum borrowing capacity under facilities | $       $ 2,000    
Number of arrangers | item       5    
Undrawn balance which will be expired one month prior to the final maturity date | $         $ 1,000  
Proceeds from long-term borrowings | $ $ 1,000          
Long-term borrowings   ¥ 7,029        
Term and Revolving Credit Facilities | LIBOR            
Lines of credit and loan facilities            
Percentage over variable rate basis   0.85%        
Term loan facility agreement            
Lines of credit and loan facilities            
Undrawn balance which will be expired one month prior to the final maturity date   ¥ 8,500        
Term loan facility agreement | Long Term Borrowings            
Lines of credit and loan facilities            
Expected to be proceeds from issuance of long term debt   ¥ 8,286        
Expected to be repaid the borrowings   December 2028        
Term loan facility agreement | Hong Kong Interbank Offered Rate | Initial Utilization date            
Lines of credit and loan facilities            
Percentage over variable rate basis   0.50%        
Short-term Debt            
Lines of credit and loan facilities            
Short-term debts   ¥ 180        
Line of credit            
Lines of credit and loan facilities            
Long-term borrowings   7,966        
Long-Term Debt, Current Maturities   ¥ 249        
[1] As of December 31, 2025, the major long-term debts were listed as below.