| Label | Element | Value |
|---|---|---|
| Innovator International Developed Power Buffer ETF™ - November | iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $0.94 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 99.50% |
| Innovator International Developed Power Buffer ETF™ - November | iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $94.49 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 2.50% |
| Innovator International Developed Power Buffer ETF™ - November | iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $80.32 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.90%) |
| Innovator International Developed Power Buffer ETF™ - November | iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $112.32 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.30%) |