| Label | Element | Value |
|---|---|---|
| Innovator U.S. Equity Power Buffer ETF™ - November | SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.82 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 99.80% |
| Innovator U.S. Equity Power Buffer ETF™ - November | SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $682.06 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 2.70% |
| Innovator U.S. Equity Power Buffer ETF™ - November | SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $579.75 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.00%) |
| Innovator U.S. Equity Power Buffer ETF™ - November | SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $772.50 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.80%) |