v3.26.1
Label Element Value
Innovator U.S. Equity Ultra Buffer ETF™ - August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $6.31 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 104.40%
Innovator U.S. Equity Ultra Buffer ETF™ - August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $600.48 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 0.50%
Innovator U.S. Equity Ultra Buffer ETF™ - August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $410.85 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (0.10%)
Innovator U.S. Equity Ultra Buffer ETF™ - August | SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $705.53 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (5.00%)