The per share price of additional shares issued during the period.

No definition available.

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Price of a single warrant or right issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Aggregate number of warrants committed for purchase including the portion if over-allotment option is exercised in full.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Offering price of warrants that were committed for purchase including the portion if the over-allotment option is exercised in full.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of warrants committed for purchase.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Offering price of warrants that were committed for purchase.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum number of business days post maximum period for completion of business combination the company to redeem outstanding shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum number of units available for sale in the offering.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum period during which the business combination required to be completed.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents minimum threshold fair market value of target businesses as a percent of net balance in trust account.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents minimum threshold percentage of ownership interest to be acquired in target company.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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

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Namespace Prefix:	svac_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of public shares to be redeemed if the entity has not completed the business combination.

+ References

No definition available.

+ Details

Name:	svac_PercentOfPublicSharesToBeRedeemedIfBusinessCombinationNotCompleted
Namespace Prefix:	svac_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of business days prior to business combination on which date based on amount held in trust account shares will be redeemed.

+ References

No definition available.

+ Details

Name:	svac_RedemptionOfSharesAmountHeldInTrustAccountNumberOfBusinessDaysPriorToBusinessCombination
Namespace Prefix:	svac_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum percentage of outstanding shares that can be redeemed.

+ References

No definition available.

+ Details

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

- Definition

Amount of interest earned on funds held in trust account which is restricted to pay dissolution expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of interest earned on the trust account balance which is permitted for withdrawal.

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of working capital deficit (surplus).

+ References

No definition available.

+ Details

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Namespace Prefix:	svac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-4

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

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=svac_SponsorMember
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Name:	us-gaap_ClassOfWarrantOrRightAxis=svac_PublicWarrantsMember
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Balance Type:
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Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
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Data Type:	na
Balance Type:
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- Details

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Data Type:	na
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Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
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Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
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ORGANIZATION AND PLAN OF BUSINESS OPERATIONS (Details) - USD ($)	2 Months Ended	7 Months Ended
	May 21, 2025	Sep. 30, 2025	Sep. 05, 2025
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Percent of fair market value of target businesses	80.00%	80.00%
Percentage of ownership interest to be acquired	50.00%	50.00%
Share price	$ 10	$ 10
Number of business days prior to business combination	2 days	2 days
Permitted Withdrawals percentage	5.00%	5.00%
Percentage of restriction on redemption of shares	15.00%	15.00%
Redemption percentage of shares if business combination not completed	100.00%	100.00%
Maximum period to complete the business combination	24 months	24 months
Maximum number of business days for completion of redemption	10 days	10 days
Dissolution expense payable from interest earned on trust account	$ 100,000	$ 100,000
Cash and cash equivalents	0	1,185,609
Working capital deficit	$ (36,902)	$ 1,084,768
Sponsor
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Share price	$ 10	$ 10
Private Placement Warrants
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Price per warrant issued			$ 0.9
Public Warrants
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Newly Issued Price	$ 9.2	$ 9.2
Class A ordinary shares \| Public Warrants
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Offering price of warrants	$ 5,741,500
IPO including over-allotment \| Class A ordinary shares
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Maximum number of units available	23,000,000
Initial Public Offering \| Class A ordinary shares
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Maximum number of units available	20,000,000
Newly Issued Price	$ 10
Private placement \| Private Placement Warrants
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Price per warrant issued	$ 0.9
Private placement \| Private Placement Warrants \| Underwriters
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Warrants committed for purchase	2,222,222
Aggregate number of warrants	2,555,556
Price per warrant issued			0.9
Offering price of warrants	$ 2,000,000
Offering price of warrants that were committed	$ 2,300,000
Private placement \| Private Placement Warrants \| Sponsor
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Warrants committed for purchase	6,379,444
Aggregate number of warrants	7,046,111
Price per warrant issued	$ 0.9		$ 0.9
Offering price of warrants	$ 5,741,500
Offering price of warrants that were committed	$ 6,341,500
Private placement \| Class A ordinary shares \| Private Placement Warrants \| Underwriters
ORGANIZATION AND PLAN OF BUSINESS OPERATIONS
Warrants committed for purchase	2,222,222