| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - October | Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $6.00 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 103.20% |
| Innovator Growth-100 Power Buffer ETF™ - October | Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $600.37 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 2.30% |
| Innovator Growth-100 Power Buffer ETF™ - October | Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $510.31 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.80%) |
| Innovator Growth-100 Power Buffer ETF™ - October | Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $685.98 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (4.90%) |