v3.26.1
Operations - Liquidity (Details)
¥ in Thousands, $ in Thousands
1 Months Ended 12 Months Ended
May 31, 2025
USD ($)
Jan. 31, 2023
CNY (¥)
shares
Jan. 31, 2023
USD ($)
shares
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Issuance of preferred shares                
Net (loss)/profit       ¥ 1,190,941 $ 170,303 ¥ (1,363,651) ¥ (4,811,713)  
Net cash (used in)/provided by operating activities       7,147,100 1,022,023 6,014,854 266,622  
Accumulated deficit       (26,474,400)   (27,661,459)   $ (3,785,787)
Repayments of Convertible Debt       474 68 6,058,432 7,675,227  
Debt instrument face value | ¥       4,849,993   ¥ 95,692    
Proceeds from issuance of ordinary shares, net of issuance costs | ¥             ¥ 2,689,380  
Convertible Debt [Member]                
Issuance of preferred shares                
Repayments of Convertible Debt         331,200      
Proceeds from Convertible Debt         $ 68,800      
Convertible Senior Notes Due Two Thousand Thirty [Member]                
Issuance of preferred shares                
Debt instrument face value $ 690,000     ¥ 4,849,900       $ 690,000
Effective interest rate 0.625%     0.98%       0.98%
Proceeds from issuance of ordinary shares, net of issuance costs $ 678,100              
ADSs                
Issuance of preferred shares                
Ordinary shares, issued (in shares) | shares   15,344,000 15,344,000          
Proceeds from issuance of ordinary shares, net of issuance costs   ¥ 2,700,000 $ 396,900