| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 1 Yr February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.95 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 101.70% |
| Innovator Equity Defined Protection ETF® - 1 Yr February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $692.00 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 4.10% |
| Innovator Equity Defined Protection ETF® - 1 Yr February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $736.12 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (6.00%) |