v3.26.1
Unsecured senior notes (Details)
$ / shares in Units, ¥ in Millions, $ in Millions
1 Months Ended 12 Months Ended
Apr. 30, 2016
CNY (¥)
item
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2025
USD ($)
$ / shares
May 31, 2024
CNY (¥)
May 31, 2024
USD ($)
Jan. 31, 2020
CNY (¥)
Jan. 31, 2020
USD ($)
Apr. 30, 2016
USD ($)
Unsecured senior notes                  
Aggregate principal amount   ¥ 8,300              
Carrying value   3,511 ¥ 0 $ 502          
Carrying value   20,798 24,770 $ 2,974          
Total principal amounts of Senior Notes   49,689 39,286            
Future principal payments for unsecured senior notes due                  
Principal amount outstanding [1]   41,675 31,705            
Interest and Debt Expense   ¥ 110 69            
American depository shares                  
Future principal payments for unsecured senior notes due                  
Debt instrument, convertible, conversion price | $ / shares       $ 45.7          
Debt instrument, convertible, conversion ratio   21.883              
Percentage of repurchase price to principal amount   100.00%              
Unsecured senior notes                  
Unsecured senior notes                  
Number of maturities for debt issued | item 2                
Aggregate principal amount | $           $ 2,000   $ 1,000 $ 1,000
Carrying value   ¥ 24,309 24,770            
Unamortized discount and debt issuance costs   57 73            
Total principal amounts of Senior Notes   24,473 25,029            
Debt discount ¥ 79           ¥ 37    
Debt issuance costs ¥ 36       ¥ 236   ¥ 45    
Future principal payments for unsecured senior notes due                  
Due in 2026   3,514              
Due in 2030   4,885              
Due in 2050   2,016              
Principal amount outstanding   500 500            
Take as Extension | $           $ 250      
Weighted average interest rate         0.25% 0.25%      
Unsecured senior notes | 3.875% notes due 2026                  
Unsecured senior notes                  
Aggregate principal amount | $                 $ 500
Interest rate (as a percent) 3.875%               3.875%
Carrying value   ¥ 3,511              
Carrying value     3,582            
Effective interest rate (as a percent)   4.15%   4.15%          
Unsecured senior notes | 3.375% notes due 2030                  
Unsecured senior notes                  
Aggregate principal amount | $                 $ 700
Interest rate (as a percent) 3.375%               3.375%
Carrying value   ¥ 4,867 4,973            
Effective interest rate (as a percent)   3.47%   3.47%          
Unsecured senior notes | 4.125% notes due 2050                  
Unsecured senior notes                  
Aggregate principal amount | $                 $ 300
Interest rate (as a percent) 4.125%               4.125%
Carrying value   ¥ 1,980 2,024            
Effective interest rate (as a percent)   4.25%   4.25%          
Unsecured senior notes | 0.25% Convertible Senior Notes due 2029                  
Unsecured senior notes                  
Aggregate principal amount | $       $ 2,000          
Interest rate (as a percent)   0.25%   0.25%          
Carrying value   ¥ 13,951 14,191            
Effective interest rate (as a percent)   0.79%   0.79%          
Unsecured senior notes | Unsecured Senior Notes                  
Future principal payments for unsecured senior notes due                  
Debt instrument repurchase amount   ¥ 42   $ 6          
Take as Extension   35   $ 5          
Convertible Notes Payable                  
Unsecured senior notes                  
Unamortized discount and debt issuance costs   107 ¥ 186            
Future principal payments for unsecured senior notes due                  
Due in 2026   0              
Due in 2029   14,058              
Principal amount outstanding   ¥ 14,058              
[1] As of December 31, 2025, the major long-term debts were listed as below.