v3.26.1
Subsequent events (Details)
€ / shares in Units, ¥ / shares in Units, $ / shares in Units, € in Millions, ¥ in Millions, $ in Billions
Feb. 13, 2026
shares
Jan. 13, 2026
CNY (¥)
¥ / shares
Jan. 13, 2026
USD ($)
Apr. 10, 2026
CNY (¥)
Feb. 28, 2026
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2025
€ / shares
Sep. 01, 2025
EUR (€)
Subsequent events                  
Aggregate principal amount           ¥ 8,300      
Dividends Payable | $             $ 1.4    
Ceconomy [Member]                  
Subsequent events                  
Business Acquisition, Percentage of Shareholding Secured           59.80% 59.80%    
Consideration payable per share | € / shares               € 4.6  
Ceconomy [Member]                  
Subsequent events                  
Total shareholding in ceconomy in combination with retained stake of convergenta           85.20% 85.20%    
Business Combination Consideration Payable | €                 € 1,335
American Depositary Share                  
Subsequent events                  
Cash dividend, per ordinary share | $ / shares             $ 1    
Ordinary shares                  
Subsequent events                  
Cash dividend, per ordinary share | $ / shares             $ 0.5    
Subsequent event | Deppon Logistics [Member]                  
Subsequent events                  
Stock Repurchase Price Per Share | ¥ / shares   ¥ 19              
Payments To Acquire Non controlling Interests   ¥ 3,800 $ 0.5            
Stock Repurchased During Period, Shares | shares 197,259,820                
Subsidiary, Ownership Percentage, Parent         99.70%        
Percentage Of Shares Submitting Valid Applications 19.50%                
Subsequent event | Unsecured Debt [Member] | 2.05% notes due 2031                  
Subsequent events                  
Aggregate principal amount       ¥ 7,500          
Interest rate (as a percent)       2.05%          
Subsequent event | Unsecured Debt [Member] | 2.75% notes due 2036                  
Subsequent events                  
Aggregate principal amount       ¥ 2,500          
Interest rate (as a percent)       2.75%