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Name:	us-gaap_SubsidiarySaleOfStockAxis=kpet_FounderShareMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
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Data Type:	na
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Related Party Transactions (Details) - USD ($)					3 Months Ended		6 Months Ended
Related Party Transactions (Details) - USD ($)	Oct. 15, 2026	Jun. 30, 2026	Apr. 20, 2026	Mar. 30, 2026	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2026	Apr. 01, 2026	Dec. 31, 2025	Oct. 15, 2025
Related Party Transactions [Line Items]
Stock issued during period value						$ 522
Aggregate of private placement							$ 2,350,000
Incurred and repaid outstanding							300,000
Convertible into private placement							1,500,000
Reimbursable travel expenses							$ 4,994
Director [Member]
Related Party Transactions [Line Items]
Share price per share (in Dollars per share)				$ 0.004
Number of shares received (in Shares)				40,000
Aggregate purchase price				$ 522
Director [Member] \| Common Class B [Member]
Related Party Transactions [Line Items]
Share price per share (in Dollars per share)				$ 0.004
Number of shares received (in Shares)				40,000
Aggregate purchase price				$ 522
Sponsor [Member]
Related Party Transactions [Line Items]
Share price per share (in Dollars per share)		$ 10			$ 10		$ 10
Aggregate of private placement							$ 2,350,000
Pay an aggregate amount				20,000
Incurred and repaid outstanding					$ 60,000		60,000
Sponsor [Member] \| Common Class B [Member]
Related Party Transactions [Line Items]
Share price per share (in Dollars per share)										$ 0.004
Sponsor [Member] \| Forecast [Member]
Related Party Transactions [Line Items]
Stock issued during period value	$ 25,000
Share price per share (in Dollars per share)	$ 0.004
Founder Share [Member]
Related Party Transactions [Line Items]
Stock issued during period value				$ 534,000
Issued ordinary shares (in Shares)				120,000
Founder Share [Member] \| Forecast [Member]
Related Party Transactions [Line Items]
Issued ordinary shares (in Shares)	5,750,000
Related Party [Member]
Related Party Transactions [Line Items]
Outstanding borrowing									$ 115,835
Promissory Note [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Debt instrument, face amount										$ 300,000
Working Capital Loans [Member]
Related Party Transactions [Line Items]
Convertible into private placement per share (in Dollars per share)		$ 10			$ 10		$ 10
Over-Allotment Option [Member]
Related Party Transactions [Line Items]
Aggregate of private placement							$ 230,000,000
Over-Allotment Option [Member] \| Common Class B [Member]
Related Party Transactions [Line Items]
Number of share subject to forfeiture (in Shares)		750,000	750,000
Over-Allotment Option [Member] \| Forecast [Member]
Related Party Transactions [Line Items]
Number of share subject to forfeiture (in Shares)	750,000
Founder Share [Member]
Related Party Transactions [Line Items]
Share price per share (in Dollars per share)				$ 4.45
Issued ordinary shares (in Shares)				120,000
Private Placement [Member]
Related Party Transactions [Line Items]
Aggregate of private placement							$ 2,350,000
Debt instrument, face amount								$ 300,000
Private Placement [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Number of units issued (in Shares)							235,000