| Label | Element | Value |
|---|---|---|
| Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly | Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $1.45 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 111.00% |
| Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly | Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $577.19 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.60% |
| Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly | Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $519.46 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.20%) |
| Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly | Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $608.52 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (11.40%) |