| Label | Element | Value |
|---|---|---|
| Innovator U.S. Equity Power Buffer ETF™ - March | State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $6.86 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 101.10% |
| Innovator U.S. Equity Power Buffer ETF™ - March | State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $685.99 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 4.10% |
| Innovator U.S. Equity Power Buffer ETF™ - March | State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $583.09 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (1.70%) |
| Innovator U.S. Equity Power Buffer ETF™ - March | State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $773.73 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (3.70%) |