Label	Element	Value
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.64 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	100.80%
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.15 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.60%
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: 666.15 [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.00%
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $606.20 (Short) [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(1.00%)
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October \| SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $705.15 (Short) [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	(12.60%)