Innovator Equity Defined Protection ETF - 6 Mo Apr/Oct Innovator Equity Defined Protection ETF - 6 Mo Apr/Oct 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] S&P 500® Total Return Index (reflects no deduction for fees, expenses or taxes) S&P 500® Price Return Index (reflects no deduction for fees, expenses or taxes) Market Risk Member Valuation Risk Member S000086344 Member Defined Outcome Strategy Risk Member Derivatives Risk Member Tax Risk Member Cyber Security Risk Member Underlying ETFRisk Member Risks Associated With ETFs Member index_ SP_500_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member Concentration Risk Member C000251838 Member index_ SP_500_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member