v3.26.1
Financial Risk Management - Additional Information (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Customer
Dec. 31, 2024
CNY (¥)
Customer
Dec. 31, 2023
CNY (¥)
Customer
Financial Risk Management [Line Items]      
Equity investments ¥ 26,231,000,000 ¥ 14,498,000,000  
Customers represented percentage of revenue 10.00% 10.00% 10.00%
Number of customers accounted for revenues | Customer 0 0 0
Recurring Fair Value Measurement      
Financial Risk Management [Line Items]      
Transfer between Level 1 and 2, assets ¥ 0 ¥ 0 ¥ 0
Transfer between Level 2 and 1, assets 0 0 ¥ 0
Level One Hierarchy      
Financial Risk Management [Line Items]      
Equity investments 26,217,000,000 14,498,000,000  
Level Three Hierarchy      
Financial Risk Management [Line Items]      
Equity investments 14,000,000    
Fair value in profit and loss | Level Three Hierarchy      
Financial Risk Management [Line Items]      
Equity investments 386,000,000 355,000,000  
Foreign Exchange Risk | USD      
Financial Risk Management [Line Items]      
Financial assets 14,000,000 18,000,000  
Financial liabilities 9,000,000 1,000,000  
Foreign Exchange Risk | RMB      
Financial Risk Management [Line Items]      
Financial assets 128,000,000 25,000,000  
Financial liabilities ¥ 1,217,000,000 ¥ 1,167,000,000  
Equity Price Risk      
Financial Risk Management [Line Items]      
Effect of changes in equity price 5.00% 5.00%  
Post-tax profit ¥ 11,000,000 ¥ 13,000,000  
Impact in other comprehensive income 1,312,000,000 725,000,000  
Liquidity Risk | Less than 1 year | Other Payables and Other Liabilities      
Financial Risk Management [Line Items]      
contractual undiscounted cash flows 3,558,000,000 3,381,000,000  
Liquidity Risk | Between 2 and 5 years | Other Payables and Other Liabilities      
Financial Risk Management [Line Items]      
contractual undiscounted cash flows 393,000,000    
Liquidity Risk | Over 5 years | Other Payables and Other Liabilities      
Financial Risk Management [Line Items]      
contractual undiscounted cash flows 158,000,000    
Lease Liabilities Payable | Liquidity Risk | Less than 1 year      
Financial Risk Management [Line Items]      
contractual undiscounted cash flows 118,000,000 125,000,000  
Lease Liabilities Payable | Liquidity Risk | Between 2 and 5 years      
Financial Risk Management [Line Items]      
contractual undiscounted cash flows 209,000,000 223,000,000  
Lease Liabilities Payable | Liquidity Risk | Over 5 years      
Financial Risk Management [Line Items]      
contractual undiscounted cash flows 6,000,000 9,000,000  
Senior Unsecured Notes | Less than 1 year      
Financial Risk Management [Line Items]      
Borrowings 70,000,000 2,258,000,000  
Senior Unsecured Notes | Between 2 and 5 years      
Financial Risk Management [Line Items]      
Borrowings ¥ 3,795,000,000 288,000,000  
Senior Unsecured Notes | Over 5 years      
Financial Risk Management [Line Items]      
Borrowings   ¥ 3,666,000,000