Expense Example	Oct. 31, 2025 USD ($)
Innovator Equity Defined Protection ETF - 6 Mo Jan/Jul \| Innovator Equity Defined Protection ETF - 6 Mo Jan/Jul
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 6 Mo Apr/Oct \| Innovator Equity Defined Protection ETF - 6 Mo Apr/Oct
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr January \| Innovator Equity Defined Protection ETF - 1 Yr January
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr February \| Innovator Equity Defined Protection ETF - 1 Yr February
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr March \| Innovator Equity Defined Protection ETF - 1 Yr March
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr April \| Innovator Equity Defined Protection ETF - 1 Yr April
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Innovator Equity Defined Protection ETF - 1 Yr May \| Innovator Equity Defined Protection ETF - 1 Yr May
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Innovator Equity Defined Protection ETF - 1 Yr June \| Innovator Equity Defined Protection ETF - 1 Yr June
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Innovator Equity Defined Protection ETF - 1 Yr July \| Innovator Equity Defined Protection ETF - 1 Yr July
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr August \| Innovator Equity Defined Protection ETF - 1 Yr August
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr September \| Innovator Equity Defined Protection ETF - 1 Yr September
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr October \| Innovator Equity Defined Protection ETF - 1 Yr October
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr November \| Innovator Equity Defined Protection ETF - 1 Yr November
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 1 Yr December \| Innovator Equity Defined Protection ETF - 1 Yr December
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to April 2026 \| Innovator Equity Defined Protection ETF - 2 Yr to April 2026
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to July 2026 \| Innovator Equity Defined Protection ETF - 2 Yr to July 2026
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to October 2026 \| Innovator Equity Defined Protection ETF - 2 Yr to October 2026
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to January 2027 \| Innovator Equity Defined Protection ETF - 2 Yr to January 2027
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to April 2027 \| Innovator Equity Defined Protection ETF - 2 Yr to April 2027
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to July 2027 \| Innovator Equity Defined Protection ETF - 2 Yr to July 2027
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	978
Innovator Equity Defined Protection ETF - 2 Yr to October 2027 \| Innovator Equity Defined Protection ETF - 2 Yr to October 2027
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Innovator Equity Defined Protection ETF - 2 Yr to January 2028 \| Innovator Equity Defined Protection ETF - 2 Yr to January 2028
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	81
Expense Example, with Redemption, 3 Years	252
Expense Example, with Redemption, 5 Years	439
Expense Example, with Redemption, 10 Years	$ 978

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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