Innovator Growth Accelerated ETF - Quarterly Innovator Growth Accelerated ETF - Quarterly Defined Outcome Strategy Risk [Member] Derivatives Risk [Member] Underlying ETF Risk [Member] Concentration Risk [Member] Cyber Security Risk [Member] Market Risk [Member] Risks Associated with ETFs [Member] Tax Risk [Member] Valuation Risk [Member] Nasdaq-100 Total Return Index (reflects no deduction for fees, expenses or taxes) Nasdaq-100 Price Return Index (reflects no deduction for fees, expenses or taxes) Market Risk Member C000225133 Member index_ Nasdaq100_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member S000070878 Member Valuation Risk Member Defined Outcome Strategy Risk Member Derivatives Risk Member Tax Risk Member index_ Nasdaq100_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member Cyber Security Risk Member Underlying ETFRisk Member Risks Associated With ETFs Member Concentration Risk Member