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SEGMENT REPORTING - Revenues earned from external customers for each group of similar products and services (Details) ₫ in Millions | 12 Months Ended
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Dec. 31, 2023 VND (₫) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 VND (₫) | Dec. 31, 2021 VND (₫)
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues (*) | [1] | ₫ 28,712,051 | $ 1,203,052,500 | ₫ 14,965,591 | ₫ 16,028,182
Sale of spare parts |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 882,146 | 36,962,457 | 2,072,628 | 538,216
Automobiles | Sales of ICE vehicles |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 220,397 | 9,234,769 | 6,688,467 | 13,107,978
Automobiles | Sales of e-cars |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 23,499,733 | 984,653,189 | 3,582,632 | 5,402
Automobiles | Sales of e-buses |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 628,115 | 26,318,403 | 847,128 | 480,102
E-scooter | Sales of e-scooters |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 2,020,921 | 84,677,825 | 1,385,479 | 678,936
Spare parts and aftermarket services | Sale of spare parts |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 882,146 | 36,962,457 | 2,072,628 | 538,216
Spare parts and aftermarket services | Sale of smartphones |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  |  |  |  | 1,031,571
Spare parts and aftermarket services | Aftermarket services |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | 187,141 | 7,841,322 | 140,689 | 96,577
All other |  |  |  |  |
Revenues earned from external customers for each group of similar products and services |  |  |  |  |
Revenues earned from external customers |  | ₫ 1,273,598 | $ 53,364,535 | ₫ 248,568 | ₫ 89,400
[1] | Including sales to related parties in 2021, 2022 and 2023 of VND516,546 million, VND2,378,858 million and VND19,716,922 million (USD826.1 million), respectively.

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-4 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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