v3.26.1
Label Element Value
Innovator International Developed Power Buffer ETF™ - April | iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $0.97 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 100.00%
Innovator International Developed Power Buffer ETF™ - April | iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $97.13 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 4.80%
Innovator International Developed Power Buffer ETF™ - April | iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $82.56 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (2.20%)
Innovator International Developed Power Buffer ETF™ - April | iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $113.64 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (2.70%)