| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 2 Yr to July 2027 | SPDR S&P 500 ETF Trust, Expiration: 06/30/2027; Exercise Price: $11.12 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 109.30% |
| Innovator Equity Defined Protection ETF® - 2 Yr to July 2027 | SPDR S&P 500 ETF Trust, Expiration: 06/30/2027; Exercise Price: $617.85 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 3.40% |
| Innovator Equity Defined Protection ETF® - 2 Yr to July 2027 | SPDR S&P 500 ETF Trust, Expiration: 06/30/2027; Exercise Price: $701.94 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (12.80%) |