| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 2 Yr to October 2026 | SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $10.33 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 113.20% |
| Innovator Equity Defined Protection ETF® - 2 Yr to October 2026 | SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $573.76 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.80% |
| Innovator Equity Defined Protection ETF® - 2 Yr to October 2026 | SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $648.12 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (14.40%) |