v3.26.1
Label Element Value
Innovator International Developed Power Buffer ETF™ - May | iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $1.02 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 97.80%
Innovator International Developed Power Buffer ETF™ - May | iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $102.32 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 6.70%
Innovator International Developed Power Buffer ETF™ - May | iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $118.63 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (1.90%)
Innovator International Developed Power Buffer ETF™ - May | iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $86.97 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (2.70%)