Innovator 20+ Year Treasury Bond 5 Floor ETF - Quarterly Innovator 20+ Year Treasury Bond 9 Buffer ETF - July Innovator Buffer Step-Up Strategy ETF Innovator Defined Wealth Shield ETF Innovator Emerging Markets 10 Buffer ETF - Quarterly Innovator Hedged Nasdaq-100 ETF Innovator International Developed 10 Buffer ETF - Quarterly Innovator Nasdaq-100 10 Buffer ETF - Quarterly Innovator Power Buffer Step-Up Strategy ETF Innovator Uncapped Bitcoin 20 Floor ETF - Quarterly Innovator U.S. Equity 5 to 15 Buffer ETF - Quarterly Innovator U.S. Equity 10 Buffer ETF - Quarterly Innovator U.S. Small Cap 10 Buffer ETF - Quarterly Innovator 20+ Year Treasury Bond 5 Floor ETF - Quarterly Innovator 20+ Year Treasury Bond 9 Buffer ETF - July Innovator Buffer Step-Up Strategy ETF Innovator Defined Wealth Shield ETF Innovator Emerging Markets 10 Buffer ETF™ – Quarterly Innovator Hedged Nasdaq-100® ETF Innovator International Developed 10 Buffer ETF™ – Quarterly Innovator Nasdaq-100® 10 Buffer ETF™ – Quarterly Innovator Power Buffer Step-Up Strategy ETF™ Innovator Uncapped Bitcoin 20 Floor ETF® – Quarterly Innovator U.S. Equity 5 to 15 Buffer ETF™ – Quarterly Innovator U.S. Equity 10 Buffer ETF™ – Quarterly Innovator U.S. Small Cap 10 Buffer ETF™ – Quarterly Bitcoin Risk [Member] Investment Strategy Risk [Member] Defined Outcome Strategy Risk [Member] Derivatives Risk [Member] Underlying ETF Risk [Member] Concentration Risk [Member] Cyber Security Risk [Member] Liquidity Risk [Member] Market Risk [Member] Risks Associated with ETFs [Member] Tax Risk [Member] Valuation Risk [Member] ICE US Treasury 20+ Year Index Excluding Transaction Costs (reflects no deduction for fees, expenses or taxes) S&P U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) 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) MSCI Emerging Markets Total Return Index (reflects no deduction for fees, expenses or taxes) MSCI Emerging Markets Price Return Index (reflects no deduction for fees, expenses or taxes) 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) MSCI EAFE Total Return Index (reflects no deduction for fees, expenses or taxes) MSCI EAFE Price Return Index (reflects no deduction for fees, expenses or taxes) 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) Russell 2000 Total Return Index (reflects no deduction for fees, expenses or taxes) Russell 2000 Price Return Index (reflects no deduction for fees, expenses or taxes) S000072431 Member S000085647 Member S000068655 Member index_ Russell_2000_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member C000219606 Member Investment Strategy Risk Member C000245153 Member Defined Outcome Strategy Risk Member S000085643 Member S000081986 Member index_ MSCI_ Emerging_ Markets_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member C000219603 Member index_ Nasdaq100_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes1 Member S000068658 Member index_ MSCI_ EAFE_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member C000234538 Member C000234537 Member S000085646 Member C000250972 Member index_ Nasdaq100_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes1 Member S000075439 Member C000250976 Member Derivatives Risk Member Cyber Security Risk Member index_ Nasdaq100_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes0 Member index_ MSCI_ EAFE_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member C000257093 Member S000085645 Member index_ MSCI_ Emerging_ Markets_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member Bitcoin Risk Member index_ ICE_ US_ Treasury_20_ Year_ Index_ Excluding_ Transaction_ Costs_reflects_no_deduction_for_fees_expenses_or_taxes Member index_ Nasdaq100_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes0 Member Tax Risk Member S000090181 Member index_ Russell_2000_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member C000250975 Member Underlying ETFRisk Member index_ SP_500_ Total_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member Concentration Risk Member Liquidity Risk Member Market Risk Member S000075440 Member C000245152 Member Valuation Risk Member S000085648 Member S000081987 Member C000228657 Member index_ SP_ US_ Aggregate_ Bond_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member C000250977 Member Risks Associated With ETFs Member C000250974 Member index_ SP_500_ Price_ Return_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member