v3.26.1
Label Element Value
Innovator International Developed Power Buffer ETF™ - October | iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $0.93 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 101.00%
Innovator International Developed Power Buffer ETF™ - October | iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $93.37 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 2.00%
Innovator International Developed Power Buffer ETF™ - October | iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $79.36 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (0.60%)
Innovator International Developed Power Buffer ETF™ - October | iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $106.34 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (2.60%)