v3.25.2
Document And Entity Information
Aug. 18, 2025
Document Information Line Items  
Entity Central Index Key 0002073928
Amendment Description Amendment No. 1
Document Type S-1/A
Entity Registrant Name M3-Brigade Acquisition VI Corp.
Entity Incorporation, State or Country Code E9
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Amendment Flag true
Entity Ex Transition Period false