| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - January | Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $6.14 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 103.30% |
| Innovator Growth-100 Power Buffer ETF™ - January | Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $614.31 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 3.90% |
| Innovator Growth-100 Power Buffer ETF™ - January | Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $522.16 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.70%) |
| Innovator Growth-100 Power Buffer ETF™ - January | Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $704.31 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (5.80%) |