| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 1 Yr August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $6.35 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 107.60% |
| Innovator Equity Defined Protection ETF® - 1 Yr August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $632.11 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.80% |
| Innovator Equity Defined Protection ETF® - 1 Yr August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $678.16 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (8.50%) |