| Label | Element | Value |
|---|---|---|
| Innovator Emerging Markets Power Buffer ETF™ - July | iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $0.48 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 117.10% |
| Innovator Emerging Markets Power Buffer ETF™ - July | iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $48.24 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.20% |
| Innovator Emerging Markets Power Buffer ETF™ - July | iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $41.00 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.10%) |
| Innovator Emerging Markets Power Buffer ETF™ - July | iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $54.93 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (17.30%) |