v3.26.1
Shareholders' Equity - Narrative (Details) - USD ($)
shares in Millions, $ in Millions
Mar. 31, 2026
Mar. 12, 2026
Oct. 25, 2024
Jul. 25, 2022
F5, Inc. 2026 Incentive Award Plan [Member]        
Equity, Class of Treasury Stock [Line Items]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized   5.4    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Rolled Over From Prior Plan   1.9    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant 5.4      
October Twenty Six Two Thousand Ten Program        
Equity, Class of Treasury Stock [Line Items]        
Share Repurchase Program, Authorized, Amount     $ 1,000.0 $ 6,400.0
Share Repurchase Program, Remaining Authorized, Amount $ 522.4