v3.26.1
Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Innovator U.S. Equity Power Buffer ETF - April            
Prospectus [Line Items]            
Annual Return [Percent] 6.56% 12.49% 16.11% (4.23%) 7.39% 4.58%