| Label | Element | Value |
|---|---|---|
| Innovator International Developed Power Buffer ETF™ - July | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $0.89 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 102.20% |
| Innovator International Developed Power Buffer ETF™ - July | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $89.39 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.70% |
| Innovator International Developed Power Buffer ETF™ - July | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $75.98 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.20%) |
| Innovator International Developed Power Buffer ETF™ - July | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $101.55 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (2.90%) |