v3.26.1
CONVERTIBLE SENIOR NOTES - Narrative (Details)
$ / shares in Units, ¥ in Thousands, $ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2025
CNY (¥)
Mar. 31, 2025
CNY (¥)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
CONVERTIBLE SENIOR NOTES            
Net proceeds       ¥ 4,917,431 $ 703,183  
Carrying amount of repurchase value       1,908,688 272,939  
Gain on debt extinguishment       270,135 $ 38,629  
Carrying amount of notes       1,019,130   $ 145,734
Convertible senior notes-noncurrent       1,583,213   $ 226,396
Fair Value, Inputs, Level 2            
CONVERTIBLE SENIOR NOTES            
Fair value of convertible senior notes       2,300,339    
Convertible senior notes due 2030            
CONVERTIBLE SENIOR NOTES            
Amount issued | $     $ 690,000      
Net proceeds   ¥ 4,917,431,000 676,908      
Issuance costs   ¥ 95,074,000 $ 13,092      
Interest rate     0.50%      
Interest expense       40,030    
Coupon interest       17,789    
Amortization of debt discount and issuance cost       ¥ 22,241    
Duration when notes may be converted before maturity upon satisfaction of conditions       50 days 50 days  
Duration when notes may be converted before maturity date       3 days 3 days  
Repurchase price percentage       100.00% 100.00%  
Threshold principal amount of notes issued outstanding (in percentage)       10.00% 10.00%  
Repurchase principal amount ¥ 2,185,365          
Carrying amount of repurchase value 1,908,688          
Gain on debt extinguishment 270,135          
Carrying amount of notes 1,019,130          
Convertible senior notes-noncurrent ¥ 1,583,213          
Convertible senior notes due 2030 | ADS            
CONVERTIBLE SENIOR NOTES            
Conversion rate       16.7475 16.7475  
Conversion price | $ / shares           $ 59.71