| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 1 Yr October | SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.70 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 103.70% |
| Innovator Equity Defined Protection ETF® - 1 Yr October | SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.22 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 2.10% |
| Innovator Equity Defined Protection ETF® - 1 Yr October | SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $709.68 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (6.00%) |