v3.25.4
Document And Entity Information
9 Months Ended
Sep. 30, 2025
Document Information Line Items  
Entity Central Index Key 0002028707
Amendment Description AMENDMENT NO. 1
Document Type S-4/A
Entity Registrant Name Inflection Point Acquisition Corp. IV
Entity Incorporation, State or Country Code E9
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag true