v3.25.2
FAIR VALUE HIERARCHY - Reconciliations of significant assets and liabilities categorized within Level 3 (Details)
₫ in Millions
 6 Months Ended
Jun. 30, 2025
VND (₫)
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2024
VND (₫)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
VND (₫)
Storedot Ltd          
FAIR VALUE HIERARCHY          
Equity interest 3.75%     3.75%  
Equivalent series D preference shares | shares 2,219,970 2,219,970      
Financial liability at fair value through profit or loss          
FAIR VALUE HIERARCHY          
Financial liabilities, Current portion, As of beginning ₫ 21,619,612   ₫ 19,448,538    
Financial liabilities, Current portion, Net change in unrealized fair value recognized in consolidated statements of operations 1,880,026   2,234,223    
Financial liabilities, Current portion, As of ending 23,499,638 $ 938,034,390 21,682,761    
Financial liabilities in respect of DPS2          
FAIR VALUE HIERARCHY          
Financial liabilities, As of beginning 21,619,612   18,258,063    
Financial liabilities, Net change in unrealized fair value recognized in consolidated statements of operations 1,732,340   2,125,226    
Financial liabilities, As of ending 23,351,952 932,139,230 20,383,289    
Derivative liabilities - cross-currency interest rate swaps contract          
FAIR VALUE HIERARCHY          
Financial liabilities, Net change in unrealized fair value recognized in consolidated statements of operations 147,686        
Financial liabilities, As of ending 147,686 5,895,160      
Convertible debenture          
FAIR VALUE HIERARCHY          
Financial liabilities, As of beginning     1,190,475    
Financial liabilities, Net change in unrealized fair value recognized in consolidated statements of operations     108,997    
Financial liabilities, As of ending     1,299,472    
Financial asset at fair value through profit or loss          
FAIR VALUE HIERARCHY          
Financial assets, Non-current portion, As of beginning 918,040   984,164    
Financial assets, Non-current portion, Net change in unrealized fair value recognized in consolidated statements of operations     (66,124)    
Financial assets, Non-current portion, As of ending 918,040 36,645,378 918,040    
Financial assets, Current portion, As of beginning 185,787   548,010    
Financial assets, Current portion, Net change in unrealized fair value recognized in consolidated statements of operations (185,787)   324,847    
Financial assets, Current portion, As of ending     872,857    
Derivative asset - cross-currency interest rate swaps contract          
FAIR VALUE HIERARCHY          
Financial assets, As of beginning 185,787   614,134    
Financial assets, Net change in unrealized fair value recognized in consolidated statements of operations (185,787)   258,723    
Financial assets, As of ending     872,857    
Other investments          
FAIR VALUE HIERARCHY          
Financial assets, As of beginning 918,040   918,040    
Financial assets, As of ending 918,040 $ 36,645,378 ₫ 918,040    
Cross currency interest rate swaps contract          
FAIR VALUE HIERARCHY          
Derivative asset 0       ₫ 185,787
Derivative liability ₫ 147,686     $ 5,895,178 ₫ 0