v3.25.2
Expense Example - Innovator Equity Defined Protection ETF - 2 Yr to October 2027 - Innovator Equity Defined Protection ETF - 2 Yr to October 2027
Sep. 17, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 81
Expense Example, with Redemption, 3 Years $ 252