v3.26.1
Cover
Jul. 01, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 01, 2026
Entity File Number 001-43293
Entity Registrant Name BERTO ACQUISITION CORP. II
Entity Central Index Key 0002081515
Entity Tax Identification Number 99-1894162
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 1180 North Town Center Drive
Entity Address, Address Line Two Suite 100
Entity Address, City or Town Las Vegas
Entity Address, State or Province NV
Entity Address, Postal Zip Code 89144
City Area Code (702)
Local Phone Number 781-4313
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one ordinary share, $0.0001 par value, and one-third of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one ordinary share, $0.0001 par value, and one-third of one redeemable warrant
Trading Symbol GUACU
Security Exchange Name NASDAQ
Ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Ordinary shares, par value $0.0001 per share
Trading Symbol GUAC
Security Exchange Name NASDAQ
Warrants, each whole warrant exercisable for one ordinary share at an exercise price of $11.50 per share  
Title of 12(b) Security Warrants, each whole warrant exercisable for one ordinary share at an exercise price of $11.50 per share
Trading Symbol GUACW
Security Exchange Name NASDAQ