v3.26.1
Expense Example - Innovator Emerging Markets 10 Buffer ETF - Quarterly - Innovator Emerging Markets 10 Buffer ETF - Quarterly
Oct. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 91
Expense Example, with Redemption, 3 Years 284
Expense Example, with Redemption, 5 Years 493
Expense Example, with Redemption, 10 Years $ 1,096