| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 2 Yr to July 2026 | SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $9.80 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 112.50% |
| Innovator Equity Defined Protection ETF® - 2 Yr to July 2026 | SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $544.22 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.10% |
| Innovator Equity Defined Protection ETF® - 2 Yr to July 2026 | SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $643.27 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (12.90%) |