Label	Element	Value
Innovator Equity Dual Directional 15 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.73 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	101.90%
Innovator Equity Dual Directional 15 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $559.59 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	9.50%
Innovator Equity Dual Directional 15 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.21 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.10%
Innovator Equity Dual Directional 15 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $726.34 (Short) [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(4.30%)
Innovator Equity Dual Directional 15 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $566.28 (Short) [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(11.60%)