| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - April | Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $5.77 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 108.30% |
| Innovator Growth-100 Power Buffer ETF™ - April | Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $577.18 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 3.80% |
| Innovator Growth-100 Power Buffer ETF™ - April | Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $490.60 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.80%) |
| Innovator Growth-100 Power Buffer ETF™ - April | Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $676.63 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (10.50%) |