v3.25.4
Expense Example
Oct. 31, 2025
USD ($)
Innovator 20+ Year Treasury Bond 5 Floor ETF - Quarterly | Innovator 20+ Year Treasury Bond 5 Floor ETF - Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
Innovator 20+ Year Treasury Bond 9 Buffer ETF - July | Innovator 20+ Year Treasury Bond 9 Buffer ETF - July  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
Innovator Buffer Step-Up Strategy ETF | Innovator Buffer Step-Up Strategy ETF  
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
Innovator Defined Wealth Shield ETF | Innovator Defined Wealth Shield ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years 859
Innovator Emerging Markets 10 Buffer ETF - Quarterly | Innovator Emerging Markets 10 Buffer ETF™ – Quarterly  
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
Innovator Hedged Nasdaq-100 ETF | Innovator Hedged Nasdaq-100® ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
Innovator International Developed 10 Buffer ETF - Quarterly | Innovator International Developed 10 Buffer ETF™ – Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 271
Expense Example, with Redemption, 5 Years 471
Expense Example, with Redemption, 10 Years 1,049
Innovator Nasdaq-100 10 Buffer ETF - Quarterly | Innovator Nasdaq-100® 10 Buffer ETF™ – Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
Innovator Power Buffer Step-Up Strategy ETF | Innovator Power Buffer Step-Up Strategy ETF™  
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
Innovator Uncapped Bitcoin 20 Floor ETF - Quarterly | Innovator Uncapped Bitcoin 20 Floor ETF® – Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
Innovator U.S. Equity 5 to 15 Buffer ETF - Quarterly | Innovator U.S. Equity 5 to 15 Buffer ETF™ – Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years 859
Innovator U.S. Equity 10 Buffer ETF - Quarterly | Innovator U.S. Equity 10 Buffer ETF™ – Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years 859
Innovator U.S. Small Cap 10 Buffer ETF - Quarterly | Innovator U.S. Small Cap 10 Buffer ETF™ – Quarterly  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years $ 978