v3.26.1
Label Element Value
Innovator U.S. Small Cap Power Buffer ETF™ - October | iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $2.42 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 104.00%
Innovator U.S. Small Cap Power Buffer ETF™ - October | iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $241.96 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 1.90%
Innovator U.S. Small Cap Power Buffer ETF™ - October | iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $205.67 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (0.70%)
Innovator U.S. Small Cap Power Buffer ETF™ - October | iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $283.53 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (5.50%)