| Label | Element | Value |
|---|---|---|
| Innovator International Developed Power Buffer ETF™ - June | iShares MSCI EAFE ETF, Expiration: 05/29/2026; 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™ - June | iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $88.81 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.20% |
| Innovator International Developed Power Buffer ETF™ - June | iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $75.49 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.00% |
| Innovator International Developed Power Buffer ETF™ - June | iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $101.74 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (2.50%) |