| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 2 Yr to April 2027 | SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $10.07 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 116.40% |
| Innovator Equity Defined Protection ETF® - 2 Yr to April 2027 | SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $559.39 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 1.90% |
| Innovator Equity Defined Protection ETF® - 2 Yr to April 2027 | SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $645.09 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (18.80%) |