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ORGANIZATION AND NATURE OF OPERATIONS - The Business Combination Agreement (Details) $ / shares in Units, ₫ in Millions, $ in Millions |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 14, 2023 USD ($) $ / shares shares | Dec. 31, 2023 VND (₫) shares | Aug. 01, 2023 shares | Jul. 31, 2023 shares | Jul. 30, 2023 shares | Dec. 31, 2022 shares
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Number of shares Issued |  | 2,337,788,498 |  | 2,299,999,998 | 2,412,852,458 | 2,299,999,998
Number of shares outstanding |  | 2,337,788,498 | 2,299,999,998 | 2,299,999,998 | 2,412,852,458 | 2,299,999,998
Value of shares issued | ₫ |  | ₫ 4,605,166 |  |  |  |
Outstanding warrants |  | 3,321,002 |  |  |  |
Back Stop Subscription |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Issuance of ordinary shares | 1,636,797 |  |  |  |  |
Share price per share | $ / shares | $ 10.00 |  |  |  |  |
Value of shares issued | $ | $ 16.4 |  |  |  |  |
Black Spade Acquisition Co [Member] |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Number of shares outstanding | 2,307,170,695 |  |  |  |  |
Outstanding warrants | 14,829,989 |  |  |  |  |
Black Spade Acquisition Co [Member] |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Number of Vinfast Ordinary Share converted per Black Spade ordinary share | 1 |  |  |  |  |
Black Spade Acquisition Co [Member] | Class B Ordinary Share |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Common stock, par value per share | $ / shares | $ 0.0001 |  |  |  |  |
Black Spade Acquisition Co [Member] | Class A Ordinary Share |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Common stock, par value per share | $ / shares | $ 0.0001 |  |  |  |  |

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