| Label | Element | Value |
|---|---|---|
| Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul | SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $3.41 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 103.00% |
| Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul | SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $681.92 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 1.10% |
| Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul | SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $704.49 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (4.20%) |