| Label | Element | Value |
|---|---|---|
| Innovator Emerging Markets Power Buffer ETF™ - October | iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $0.53 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 108.40% |
| Innovator Emerging Markets Power Buffer ETF™ - October | iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $53.40 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 1.80% |
| Innovator Emerging Markets Power Buffer ETF™ - October | iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $45.39 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.60%) |
| Innovator Emerging Markets Power Buffer ETF™ - October | iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $61.52 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (9.70%) |