v3.26.1
Label Element Value
Innovator U.S. Small Cap Power Buffer ETF™ - March | iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $2.61 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 101.30%
Innovator U.S. Small Cap Power Buffer ETF™ - March | iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $261.41 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 5.20%
Innovator U.S. Small Cap Power Buffer ETF™ - March | iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $222.20 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (2.20%)
Innovator U.S. Small Cap Power Buffer ETF™ - March | iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $308.73 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (4.50%)