v3.26.1
Investment Objectives and Goals - Innovator U.S. Equity Ultra Buffer ETF - August
Oct. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Innovator U.S. Equity Ultra Buffer ETF™ – August
Objective [Heading] Investment Objective
Objective, Primary [Text Block]

The Fund seeks to provide investors with returns that match the return of the Underlying ETF, up to the upside cap of 14.01% (prior to taking into account management fees and other fees) while providing a buffer against Underlying ETF losses of between 5% and 35% (prior to taking into account management fees and other fees), over the period from August 1, 2026 to July 31, 2027.