Private Placement (Details) - USD ($)		5 Months Ended
Nov. 03, 2025	Dec. 31, 2025
Private Placement [Line Items]
Generating gross proceeds (in Dollars)		$ 6,600,000
Private Placement Units [Member]
Private Placement [Line Items]
Number of units issued	660,000
Purchase price per unit (in Dollars per share)	$ 10
Generating gross proceeds (in Dollars)	$ 6,600,000
Private Placement Units [Member] \| Sponsor [Member]
Private Placement [Line Items]
Number of units issued	350,000
Private Placement Units [Member] \| Cohen [Member]
Private Placement [Line Items]
Number of units issued	310,000
Private Placement [Member]
Private Placement [Line Items]
Number of units issued	660,000	660,000
Purchase price per unit (in Dollars per share)		$ 10
Generating gross proceeds (in Dollars)	$ 6,600,000	$ 6,600,000
Private Placement [Member] \| Sponsor [Member]
Private Placement [Line Items]
Number of units issued	350,000	350,000
Private Placement [Member] \| Cohen [Member]
Private Placement [Line Items]
Number of units issued		310,000
Class A Ordinary Shares [Member]
Private Placement [Line Items]
Purchase of units	1
Underwriters purchased units		1

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- 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.

+ References

No definition available.

+ Details

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

- Definition

Purchase of units

+ References

No definition available.

+ Details

Name:	vaci_PurchaseOfUnits
Namespace Prefix:	vaci_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Units Issued During Period Shares New Issues

+ References

No definition available.

+ Details

Name:	vaci_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	vaci_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=vaci_PrivatePlacementUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=vaci_SponsorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=vaci_CohenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: