| Label | Element | Value |
|---|---|---|
| Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly | United States Treasury Bill [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 73.10% |
| Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly | Cboe Mini Bitcoin U.S. ETF Index, Expiration: 06/30/2026; Exercise Price: $127.99 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 31.90% |
| Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly | Cboe Mini Bitcoin U.S. ETF Index, Expiration: 06/30/2026; Exercise Price: $159.99 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (5.00%) |