v3.25.4
Expense Example
Oct. 31, 2025
USD ($)
Innovator Deepwater Frontier Tech ETF | Innovator Deepwater Frontier Tech ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 72
Expense Example, with Redemption, 3 Years 224
Expense Example, with Redemption, 5 Years 390
Expense Example, with Redemption, 10 Years 871
Innovator Equity Autocallable Income Strategy ETF | Innovator Equity Autocallable Income Strategy ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Innovator Equity Premium Income - Daily PutWrite ETF | Innovator Equity Premium Income - Daily PutWrite 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 Gradient Tactical Rotation Strategy ETF | Innovator Gradient Tactical Rotation Strategy ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 255
Expense Example, with Redemption, 5 Years 444
Expense Example, with Redemption, 10 Years 990
Innovator IBD(R) 50 ETF | Innovator IBD(R) 50 ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 305
Expense Example, with Redemption, 5 Years 546
Expense Example, with Redemption, 10 Years 1,239
Innovator IBD Breakout Opportunities ETF | Innovator IBD Breakout Opportunities ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 255
Expense Example, with Redemption, 5 Years 444
Expense Example, with Redemption, 10 Years 990
Innovator Index Autocallable Income Strategy ETF | Innovator Index Autocallable Income Strategy ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Innovator Laddered Allocation Buffer ETF | Innovator Laddered Allocation Buffer 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 Laddered Allocation Power Buffer ETF | Innovator Laddered Allocation Power Buffer 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 S&P Investment Grade Preferred ETF | Innovator S&P Investment Grade Preferred ETF  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 48
Expense Example, with Redemption, 3 Years 151
Expense Example, with Redemption, 5 Years 263
Expense Example, with Redemption, 10 Years $ 591