| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - May | Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $6.68 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 99.20% |
| Innovator Growth-100 Power Buffer ETF™ - May | Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $667.74 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 7.50% |
| Innovator Growth-100 Power Buffer ETF™ - May | Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $567.58 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (3.40%) |
| Innovator Growth-100 Power Buffer ETF™ - May | Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $776.11 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (3.80%) |