Expense Example	Oct. 31, 2025 USD ($)
Innovator U.S. Equity Buffer ETF - January \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - January \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - January \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - February \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - February \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - February \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - March \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - March \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - March \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - April \| Innovator U.S. Equity Buffer ETF - April
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 U.S. Equity Power Buffer ETF - April \| Innovator U.S. Equity Power Buffer ETF - April
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 U.S. Equity Ultra Buffer ETF - April \| Innovator U.S. Equity Ultra Buffer ETF - April
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 U.S. Equity Buffer ETF - May \| Innovator U.S. Equity Buffer ETF - May
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 U.S. Equity Power Buffer ETF - May \| Innovator U.S. Equity Power Buffer ETF - May
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 U.S. Equity Ultra Buffer ETF - May \| Innovator U.S. Equity Ultra Buffer ETF - May
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 U.S. Equity Buffer ETF - June \| Innovator U.S. Equity Buffer ETF - June
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 U.S. Equity Power Buffer ETF - June \| Innovator U.S. Equity Power Buffer ETF - June
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 U.S. Equity Ultra Buffer ETF - June \| Innovator U.S. Equity Ultra Buffer ETF - June
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 U.S. Equity Buffer ETF - July \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - July \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - July \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - August \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - August \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - August \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - September \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - September \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - September \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - October \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - October \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - October \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - November \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - November \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - November \| Innovator U.S. Equity Ultra Buffer ETF - 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 U.S. Equity Buffer ETF - December \| Innovator U.S. Equity Buffer ETF - 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 U.S. Equity Power Buffer ETF - December \| Innovator U.S. Equity Power Buffer ETF - 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 U.S. Equity Ultra Buffer ETF - December \| Innovator U.S. Equity Ultra Buffer ETF - 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

- References

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