| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - September | Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $5.70 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 106.60% |
| Innovator Growth-100 Power Buffer ETF™ - September | Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $570.40 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 1.30% |
| Innovator Growth-100 Power Buffer ETF™ - September | Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $484.84 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.40%) |
| Innovator Growth-100 Power Buffer ETF™ - September | Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $649.80 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (7.80%) |