v3.26.1
Document and Entity Information
Mar. 19, 2026
Entity Listings [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 19, 2026
Entity File Number 001-43073
Entity Registrant Name KRAKacquisition Corp
Entity Central Index Key 0002082119
Entity Incorporation, State or Country Code E9
Entity Tax Identification Number 98-1875195
Entity Address, Address Line One 1455 Adams
Entity Address, Address Line Two Dr #1630
Entity Address, City or Town Menlo Park
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94025
City Area Code 415
Local Phone Number 538-3600
Entity Emerging Growth Company true
Entity Ex Transition Period false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Units, each consisting of one Class A ordinary share, and one-fourth of one redeemable warrant [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Units, each consisting of one Class A ordinary share, and one-fourth of one redeemable warrant
Trading Symbol KRAQU
Security Exchange Name NASDAQ
Common Class A [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol KRAQ
Security Exchange Name NASDAQ
Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol KRAQW
Security Exchange Name NASDAQ