Additional shares that can be purchased to cover over allotments.

No definition available.

Name:	cepv_AdditionalSharesThatCanBePurchasedToCoverOverAllotments
Namespace Prefix:	cepv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the amount of debt instrument convertible threshold amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	cepv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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

- Definition

Amount of liabilities incurred and payable to vendors for goods and services received classified as other, and expenses incurred but not yet paid, payable within one year or the operating cycle, if longer.

+ References

No definition available.

+ Details

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

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

- Definition

Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cepv_SponsorLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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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:

- Details

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Commitments and Contingencies (Details) - USD ($)			3 Months Ended		6 Months Ended
Commitments and Contingencies (Details) - USD ($)	Nov. 05, 2025	Nov. 03, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Independent Directors [Member]
Commitments and Contingencies [Line Items]
Accrued compensation payable			$ 25,000		$ 25,000		$ 8,000
Independent director compensation			$ 25,000	$ 0	$ 41,000	$ 0
Sponsor [Member] \| Sponsor Loan [Member]
Commitments and Contingencies [Line Items]
Maximum conversion amount of sponsor loan		$ 1,750,000
Initial Public Offering [Member]
Commitments and Contingencies [Line Items]
Payment for underwriting discount	$ 100,000
Initial Public Offering [Member] \| Related Party [Member]
Commitments and Contingencies [Line Items]
Payment for underwriting discount	$ 4,400,000
Initial Public Offering [Member] \| Class A Ordinary Shares [Member]
Commitments and Contingencies [Line Items]
Number of shares (in Shares)	25,000,000
Over-Allotment Option [Member] \| Class A Ordinary Shares [Member]
Commitments and Contingencies [Line Items]
Additional shares to cover over allotments	3,300,000
Over-Allotment Option [Member] \| Class A Ordinary Shares [Member] \| Related Party [Member]
Commitments and Contingencies [Line Items]
Number of shares (in Shares)	3,000,000