Cover Page
9 Months Ended
Sep. 30, 2021
Document Information [Line Items]  
Document Type S-4/A
Amendment Flag true
Entity Registrant Name RedBall Acquisition Corp.
Entity Central Index Key 0001815184
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Description AMENDMENT NO. 2