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 - August            
Prospectus [Line Items]            
Annual Return [Percent] 12.28% 15.55% 17.90% (6.85%) 7.28% 9.47%