v3.26.1
Document and Entity Information
Jul. 22, 2026
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0002131350
Document Type 8-K
Document Period End Date Jul. 22, 2026
Entity Registrant Name B&R Technology Merger Corp.
Entity Incorporation State Country Code E9
Entity File Number 001-43408
Entity Tax Identification Number 98-1902448
Entity Address, Address Line One 2300 West Sahara Avenue
Entity Address, City or Town Las Vegas
Entity Address, State or Province NV
Entity Address, Postal Zip Code 89102
City Area Code (702)
Local Phone Number 483-8180
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Units Each Consisting Of One Class A Ordinary Share And One Third Of One Redeemable Warrant [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant
Trading Symbol BRTMU
Security Exchange Name NASDAQ
Capital Unit, Class A [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class A ordinary shares, par value $0.0001 per share
Trading Symbol BRTM
Security Exchange Name NASDAQ
Warrants Each Whole Warrant Exercisable For One Class A Ordinary Share At An Exercise Price Of 11.50 Per Share [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol BRTMW
Security Exchange Name NASDAQ