v3.25.1
Fair Value Measurement - Fair value hierarchy (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2024
USD ($)
Fair Value Measurements      
Short-term investments ¥ 506,126 ¥ 524,063 $ 69,339
Nonrecurring      
Fair Value Measurements      
Assets fair value 0 0  
Liabilities fair value 0 0  
Impairment charge 0 0  
Level 1 | Recurring      
Fair Value Measurements      
Assets fair value 75,814,754 39,257,862  
Level 1 | Recurring | Money Market Funds      
Fair Value Measurements      
Cash equivalents 31,335,350 23,593,093  
Level 1 | Recurring | Equity securities      
Fair Value Measurements      
Short-term investments 44,479,404 15,664,769  
Level 2 | Recurring      
Fair Value Measurements      
Assets fair value 30,174,210 18,302,694  
Level 2 | Recurring | Equity securities      
Fair Value Measurements      
Short-term investments   1,486,317  
Level 2 | Recurring | Available-for-sale debt securities      
Fair Value Measurements      
Short-term investments 6,319,014    
Other non-current assets 23,855,196 16,816,377  
Level 3 | Recurring      
Fair Value Measurements      
Assets fair value 506,126 524,063  
Level 3 | Recurring | Investments in convertible bonds      
Fair Value Measurements      
Short-term investments ¥ 506,126 ¥ 524,063