Label	Element	Value
Innovator Equity Dual Directional 10 Buffer ETF™ - January \| SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: 6.87 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	100.40%
Innovator Equity Dual Directional 10 Buffer ETF™ - January \| SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: 606.91 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.60%
Innovator Equity Dual Directional 10 Buffer ETF™ - January \| SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: 681.97 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.00%
Innovator Equity Dual Directional 10 Buffer ETF™ - January \| SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: 769.27 (Short) [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(2.90%)
Innovator Equity Dual Directional 10 Buffer ETF™ - January \| SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: 613.73 (Short) [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(22.50%)