v3.26.1
Label Element Value
Innovator U.S. Small Cap Power Buffer ETF™ - May | iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $2.78 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 98.40%
Innovator U.S. Small Cap Power Buffer ETF™ - May | iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $277.97 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 8.00%
Innovator U.S. Small Cap Power Buffer ETF™ - May | iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $329.28 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (3.20%)
Innovator U.S. Small Cap Power Buffer ETF™ - May | iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $236.27 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (3.50%)