| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 1 Yr December | SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.86 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 102.00% |
| Innovator Equity Defined Protection ETF® - 1 Yr December | SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $683.42 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 3.20% |
| Innovator Equity Defined Protection ETF® - 1 Yr December | SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $730.26 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (5.40%) |