No definition available.

Name:	COPLUN_CashUnderwritingFees
Namespace Prefix:	COPLUN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_DeferredUnderwritingFees
Namespace Prefix:	COPLUN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_GrossProceeds
Namespace Prefix:	COPLUN_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_InitialBusinessCombination
Namespace Prefix:	COPLUN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_OfferingCosts
Namespace Prefix:	COPLUN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_PurchasePrice
Namespace Prefix:	COPLUN_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_TransactionCosts
Namespace Prefix:	COPLUN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	COPLUN_WorkingCapitalDeficit
Namespace Prefix:	COPLUN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

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

- Definition

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

+ References

+ Details

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

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

- 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

Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ 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(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: 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(19))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Details

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

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=COPLUN_AdditionalPublicUnitsMember
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_SubsidiarySaleOfStockAxis=COPLUN_AdditionalPrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

ORGANIZATION AND BUSINESS OPERATIONS (Details Narrative) - USD ($)		3 Months Ended
	May 02, 2025	Mar. 31, 2025	Dec. 31, 2024
Subsidiary, Sale of Stock [Line Items]
Gross proceeds		$ 172,500,000
Purchase price		$ 7.00
Transaction costs		$ 8,257,998
Cash underwriting fees		2,156,295
Deferred underwriting fees		5,175,000
Initial Business Combination		322,575
Offering costs		604,128
Proceeds from sale of public units		173,362,500
Proceeds from sale of private units		173,362,500
Taxes payable		100,000
Working capital deficit			$ 537,214
IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of units in initial public offering	17,250,000
Sale of units in initial public offering aggregate amount	$ 172,500,000
Proceeds from sale of public units		$ 2,587,500
Additional Public Units [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of units in initial public offering	2,250,000
Private Placement [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of units in initial public offering	555,893
Sale of units per share	$ 10.00
Sale of units in initial public offering aggregate amount	$ 4,093,750
Additional Private Placement [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of units in initial public offering	56,250
First Private Placement [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of units in initial public offering	67,500
Remaining Private Placement [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of units in initial public offering	488,393