v3.26.1
Label Element Value
Innovator International Developed 10 Buffer ETF™ - Quarterly | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $0.24 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 100.50%
Innovator International Developed 10 Buffer ETF™ - Quarterly | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $97.13 [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 1.60%
Innovator International Developed 10 Buffer ETF™ - Quarterly | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $87.42 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (0.40%)
Innovator International Developed 10 Buffer ETF™ - Quarterly | iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $104.12 (Short) [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (1.70%)