v3.26.1
Label Element Value
Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly | iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $0.62 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 106.90%
Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly | iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $248.00 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 0.80%
Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly | iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $223.20 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (0.30%)
Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly | iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $263.97 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (7.50%)