| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 1 Yr September | SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.48 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 106.40% |
| Innovator Equity Defined Protection ETF® - 1 Yr September | SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $645.08 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 1.30% |
| Innovator Equity Defined Protection ETF® - 1 Yr September | SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $688.46 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (7.90%) |