| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - March | Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $6.07 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 104.60% |
| Innovator Growth-100 Power Buffer ETF™ - March | Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $607.29 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 4.30% |
| Innovator Growth-100 Power Buffer ETF™ - March | Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $516.20 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (2.00%) |
| Innovator Growth-100 Power Buffer ETF™ - March | Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $703.73 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (7.20%) |