v3.25.4
Average Annual Total Returns
 12 Months Ended 29 Months Ended 36 Months Ended 39 Months Ended 42 Months Ended 45 Months Ended
Oct. 31, 2025
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Innovator Growth Accelerated Plus ETF - January              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   18.68%   4.02%      
Performance Inception Date Dec. 31, 2021            
Innovator Growth Accelerated Plus ETF - January | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   18.68%   4.02%      
Innovator Growth Accelerated Plus ETF - January | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   11.06%   3.10%      
Innovator U.S. Equity Accelerated 9 Buffer ETF - January              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   11.00%   6.67%      
Performance Inception Date Dec. 31, 2021            
Innovator U.S. Equity Accelerated 9 Buffer ETF - January | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   11.00%   6.67%      
Innovator U.S. Equity Accelerated 9 Buffer ETF - January | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   6.51%   5.19%      
Innovator U.S. Equity Accelerated Plus ETF - January              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   13.87%   6.37%      
Performance Inception Date Dec. 31, 2021            
Innovator U.S. Equity Accelerated Plus ETF - January | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   13.87%   6.37%      
Innovator U.S. Equity Accelerated Plus ETF - January | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   8.21%   4.96%      
Innovator Growth Accelerated Plus ETF - April              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   19.48%         12.58%
Performance Inception Date Mar. 31, 2021            
Innovator Growth Accelerated Plus ETF - April | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   19.48%         12.58%
Innovator Growth Accelerated Plus ETF - April | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   11.53%         10.05%
Innovator U.S. Equity Accelerated 9 Buffer ETF - April              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   13.21%         9.26%
Performance Inception Date Mar. 31, 2021            
Innovator U.S. Equity Accelerated 9 Buffer ETF - April | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   13.21%         9.26%
Innovator U.S. Equity Accelerated 9 Buffer ETF - April | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   7.82%         7.32%
Innovator U.S. Equity Accelerated Plus ETF - April              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   17.35%         10.43%
Performance Inception Date Mar. 31, 2021            
Innovator U.S. Equity Accelerated Plus ETF - April | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   17.35%         10.43%
Innovator U.S. Equity Accelerated Plus ETF - April | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   10.27%         8.28%
Innovator Growth Accelerated Plus ETF - July              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   20.95%       10.07%  
Performance Inception Date Jun. 30, 2021            
Innovator Growth Accelerated Plus ETF - July | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   20.95%       10.07%  
Innovator Growth Accelerated Plus ETF - July | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   12.40%       7.96%  
Innovator U.S. Equity Accelerated 9 Buffer ETF - July              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   11.96%       9.26%  
Performance Inception Date Jun. 30, 2021            
Innovator U.S. Equity Accelerated 9 Buffer ETF - July | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   11.96%       9.26%  
Innovator U.S. Equity Accelerated 9 Buffer ETF - July | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   7.08%       7.30%  
Innovator U.S. Equity Accelerated Plus ETF - July              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   15.25%       9.65%  
Performance Inception Date Jun. 30, 2021            
Innovator U.S. Equity Accelerated Plus ETF - July | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   15.25%       9.65%  
Innovator U.S. Equity Accelerated Plus ETF - July | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   9.03%       7.62%  
Innovator Growth Accelerated Plus ETF - October              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   16.77%     8.36%    
Performance Inception Date Sep. 30, 2021            
Innovator Growth Accelerated Plus ETF - October | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   16.77%     8.36%    
Innovator Growth Accelerated Plus ETF - October | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   9.93%     6.56%    
Innovator U.S. Equity Accelerated 9 Buffer ETF - October              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   10.82%     8.17%    
Performance Inception Date Sep. 30, 2021            
Innovator U.S. Equity Accelerated 9 Buffer ETF - October | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   10.82%     8.17%    
Innovator U.S. Equity Accelerated 9 Buffer ETF - October | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   6.41%     6.40%    
Innovator U.S. Equity Accelerated Plus ETF - October              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   13.76%     8.13%    
Performance Inception Date Sep. 30, 2021            
Innovator U.S. Equity Accelerated Plus ETF - October | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   13.76%     8.13%    
Innovator U.S. Equity Accelerated Plus ETF - October | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   8.15%     6.37%    
Innovator Growth Accelerated ETF - Quarterly              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   13.61%         9.61%
Performance Inception Date Mar. 31, 2021            
Innovator Growth Accelerated ETF - Quarterly | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   13.61%         9.61%
Innovator Growth Accelerated ETF - Quarterly | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   8.06%         7.60%
Innovator U.S. Equity Accelerated ETF - Quarterly              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   14.10%         10.99%
Performance Inception Date Mar. 31, 2021            
Innovator U.S. Equity Accelerated ETF - Quarterly | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   14.10%         10.99%
Innovator U.S. Equity Accelerated ETF - Quarterly | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   8.35%         8.74%
Innovator Uncapped Accelerated U.S. Equity ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   17.71% 18.25%        
Performance Inception Date Aug. 10, 2022            
Innovator Uncapped Accelerated U.S. Equity ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   17.71% 18.25%        
Innovator Uncapped Accelerated U.S. Equity ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   10.49% 14.51%        
NASDAQ-100 Total Return Index (reflects no deduction for fees, expenses or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] NASDAQ-100 Total Return Index (reflects no deduction for fees, expenses or taxes)            
Average Annual Return, Percent   21.02%   12.43% 14.50% 13.91% 15.73%
NASDAQ-100 Price Return Index (reflects no deduction for fees, expenses or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] NASDAQ-100 Price Return Index (reflects no deduction for fees, expenses or taxes)            
Average Annual Return, Percent   20.17%   11.53% 13.59% 13.01% 14.82%
S&P 500® Total Return Index (reflects no deduction for fees, expenses or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] S&P 500® Total Return Index (reflects no deduction for fees, expenses or taxes)            
Average Annual Return, Percent   17.88% 17.13% 11.11% 13.17% 12.53% 13.78%
S&P 500® Price Return Index (reflects no deduction for fees, expenses or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] S&P 500® Price Return Index (reflects no deduction for fees, expenses or taxes)            
Average Annual Return, Percent   16.39% 15.41% 9.47% 11.51% 10.89% 12.13%