Accrual of interest expenses on borrowings from a related party.

No definition available.

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- Definition

Maturity days.

+ References

No definition available.

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- Definition

Payment of offering costs by a related party.

+ References

No definition available.

+ Details

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- Definition

The amount of offering cost.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of prepayments – a related party.

+ References

No definition available.

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- Definition

Prepayments of raw materials to a related party.

+ References

No definition available.

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- Definition

Represents the amount of repayment of offering cost.

+ References

No definition available.

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Balance Type:	credit
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- Definition

Increase for accrued, but unpaid interest on the debt instrument for the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

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-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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Balance Type:	credit
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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
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- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

Aggregate amount of interest expense on all borrowings.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
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-Section 45
-Paragraph 3
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479105/946-220-45-3

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
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- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Topic 946
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-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

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

- Definition

The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

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-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

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- Details

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- Details

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- Details

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Related Party Transactions and Balances (Details) ₫ in Trillions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 VND (₫)
Related Party Transactions and Balances [Line Items]
Purchased trademarks	$ 212,000
Remaining offering cost			$ 81,025
Borrowings from a related party	$ 12,000,000	5,000,000	$ 93,571,624
Maturity days			1 year	1 year
Borrowings interest rate	4.20%
Interest rate reduced percentage			8.00%	8.00%
Repayment of borrowings to a related party	$ 6,000,000	38,093,104
Accrued interest expenses borrowings	920,722	1,382,890	3,163,557
Interest expense	737,811	708,968	$ 212,064
Borrowed loan		5,000,000
Accrued interest expense	$ 634,384	$ 14,995
VSun JV [Member]
Related Party Transactions and Balances [Line Items]
Borrowings interest rate			9.50%	9.50%
VSUN USA [Member]
Related Party Transactions and Balances [Line Items]
Borrowings interest rate	4.20%
VSUN [Member]
Related Party Transactions and Balances [Line Items]
Purchased trademarks	$ 128,000
Interest rate reduced percentage		2.00%
Fuji Solar [Member]
Related Party Transactions and Balances [Line Items]
Offering cost			$ 1,179,129
Repayment of offering cost			1,098,104
Remaining offering cost		$ 81,025
VSun China [Member]
Related Party Transactions and Balances [Line Items]
Prepayments of raw materials	72,264
Prepayments	24,845,082
VSun JV [Member]
Related Party Transactions and Balances [Line Items]
Borrowings from a related party			93,600,000	₫ 2.2
Repayment of borrowings to a related party		954,500,000
Accrued interest expenses borrowings		1,505,865
Interest expense		$ 1,391,911
VSUN USA [Member]
Related Party Transactions and Balances [Line Items]
Borrowed loan	$ 12,000,000
Additional Reduction in Interest Rate of Borrowings [Member]
Related Party Transactions and Balances [Line Items]
Interest rate reduced percentage			7.00%	7.00%