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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recent accounting pronouncements - Supplier finance program (Details)	12 Months Ended
	Dec. 31, 2024 VND (₫)	Dec. 31, 2024 USD ($)	Dec. 31, 2023
Carrying amount of liabilities part of supplier finance program
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration]	Accounts Payable, Trade, Current	Accounts Payable, Trade, Current	Accounts Payable, Trade, Current
Added during the year	₫ 240,318	$ 9,875,406
Ending balance	₫ 240,318	$ 9,875,406
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration]	Accounts Payable, Trade, Current	Accounts Payable, Trade, Current	Accounts Payable, Trade, Current
Supplier finance program, payment	₫ 64,230	$ 2,639,408
Interest charged under the arrangement	9.94%	9.94%
Maximum
Carrying amount of liabilities part of supplier finance program
Liabilities that are part of the arrangement	180 days	180 days

X

- Definition

Amount of obligation for supplier finance program, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Indicates line item in statement of financial position that includes obligation for supplier finance program, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

+ Details

Name:	us-gaap_SupplierFinanceProgramObligationCurrentStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of increase in obligation for supplier finance program.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 55
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477128/405-50-55-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_SupplierFinanceProgramObligationRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period when payment is expected to be made to finance provider or intermediary in supplier finance program, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Contractual interest rate under supplier finance program.

+ References

No definition available.

+ Details

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Namespace Prefix:	vfs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of cash outflow for payments relating to supplier finance program.

+ References

No definition available.

+ Details

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Namespace Prefix:	vfs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: