| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - December | Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $6.19 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 101.90% |
| Innovator Growth-100 Power Buffer ETF™ - December | Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $619.25 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 3.70% |
| Innovator Growth-100 Power Buffer ETF™ - December | Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $526.36 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.50%) |
| Innovator Growth-100 Power Buffer ETF™ - December | Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $714.61 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (4.30%) |