v3.26.1
Label Element Value
Innovator International Developed Power Buffer ETF™ - March | iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $1.05 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 96.40%
Innovator International Developed Power Buffer ETF™ - March | iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $105.38 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 7.30%
Innovator International Developed Power Buffer ETF™ - March | iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $119.98 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (1.10%)
Innovator International Developed Power Buffer ETF™ - March | iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $89.57 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (2.80%)