v3.26.3
Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Innovator International Developed Power Buffer ETF - October        
Prospectus [Line Items]        
Annual Return [Percent] 18.79% 4.93% 17.71% (6.05%)