| Label | Element | Value |
|---|---|---|
| Innovator U.S. Equity Power Buffer ETF™ - February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.92 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 100.30% |
| Innovator U.S. Equity Power Buffer ETF™ - February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $691.97 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 4.10% |
| Innovator U.S. Equity Power Buffer ETF™ - February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $588.17 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.70%) |
| Innovator U.S. Equity Power Buffer ETF™ - February | State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $777.98 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (2.90%) |