v3.26.1
Summary of Significant Accounting Policies - Foreign Currency Transactions and convenience translation & VAT (Details)
¥ in Millions
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Foreign currency transactions and translations    
Cash, cash equivalents and restricted cash ¥ 21,740 ¥ 23,310
Convenience translation    
Convenience translation calculated at the rate of US$1.00 6.9931  
Minimum    
Value added taxes    
Rate of VAT levied on PRC subsidiaries of the company (as a percent) 0.00%  
Maximum    
Value added taxes    
Rate of VAT levied on PRC subsidiaries of the company (as a percent) 13.00%