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FAIR VALUE HIERARCHY - Reconciliations of significant assets and liabilities categorized within Level 3 (Details) ₫ in Millions | 12 Months Ended |
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Dec. 31, 2024 VND (₫) shares | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 VND (₫) | Dec. 31, 2024 USD ($)
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, Non-current portion, As of beginning |  |  | ₫ 15,180,723 |
Financial liabilities, Non-current portion, Net change in fair value during the year |  |  | 3,077,340 |
Financial liabilities, Non-current portion, Reclassification |  |  | (18,258,063) |
Financial liabilities, Current portion, As of beginning | ₫ 19,448,538 |  |  |
Financial liabilities, Current portion, Initial recognition during the year |  |  | 1,190,475 |
Financial liabilities, Current portion, Net change in fair value during the year | 3,361,549 |  |  |
Financial liabilities, Current portion, Reclassification |  |  | 18,258,063 |
Financial liabilities, Current portion, Payment | (1,190,475) |  |  |
Financial liabilities, Current portion, As of ending | 21,619,612 | $ 888,416,355 | 19,448,538 |
Financial liabilities in respect of DPS2 |  |  |  |
FAIR VALUE HIERARCHY |  |  |  |
Financial liabilities, As of beginning | 18,258,063 |  | 15,180,723 |
Financial liabilities, Net change in fair value during the year | 3,361,549 |  | 3,077,340 |
Financial liabilities, As of ending | 21,619,612 | 888,416,355 | 18,258,063 |
Convertible debenture |  |  |  |
FAIR VALUE HIERARCHY |  |  |  |
Financial liabilities, As of beginning | 1,190,475 |  |  |
Financial liabilities, Initial recognition during the year |  |  | 1,190,475 |
Financial liabilities, Payment | (1,190,475) |  |  |
Financial liabilities, As of ending |  |  | 1,190,475 |
Financial asset at fair value through profit or loss |  |  |  |
FAIR VALUE HIERARCHY |  |  |  |
Financial assets, Non-current portion, As of beginning | 984,164 |  | 1,581,770 |
Financial assets, Non-current portion, Net change in fair value during the year | (66,124) |  | (630,208) |
Financial assets, Non-current portion, Reclassification |  |  | 32,602 |
Financial assets, Non-current portion, As of ending | 918,040 | 37,725,087 | 984,164 |
Financial assets, Current portion, As of beginning | 548,010 |  | 565,320 |
Financial assets, Current portion, Net change in fair value during the year | (362,223) |  | 15,292 |
Financial assets, Current portion, Reclassification |  |  | (32,602) |
Financial assets, Current portion, As of ending | 185,787 | 7,634,559 | 548,010 |
Derivative asset - cross-currency interest rate swaps contract |  |  |  |
FAIR VALUE HIERARCHY |  |  |  |
Financial assets, As of beginning | 614,134 |  | 1,229,050 |
Financial assets, Net change in fair value during the year | (428,347) |  | (614,916) |
Financial assets, As of ending | 185,787 | 7,634,559 | 614,134 |
Other investments |  |  |  |
FAIR VALUE HIERARCHY |  |  |  |
Financial assets, As of beginning | 918,040 |  | 918,040 |
Financial assets, As of ending | 918,040 | $ 37,725,087 | 918,040 |
Cross currency interest rate swaps contract |  |  |  |
FAIR VALUE HIERARCHY |  |  |  |
Fair value of the derivative liabilities and derivative assets | ₫ 185,800 |  | ₫ 614,100 | $ 7,600,000

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