Financial Highlights - Summary of Per Share Performance (Parenthetical) (Details) - USD ($) $ in Billions |
2 Months Ended | 3 Months Ended | 6 Months Ended | |
|---|---|---|---|---|
Dec. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2026 |
Jan. 27, 2026 |
|
| Investment Company, Financial Highlights [Abstract] | ||||
| Commenced period | 3 months | 3 months | ||
| Commenced date | Oct. 28, 2025 | Oct. 28, 2025 | ||
| Trust assets | $ 1 | $ 1 | $ 1 | $ 1 |
| Gross expense ratio, including staking fees | 0.36% | 0.38% | ||
| Net expenses ratio, including staking fees | 0.36% | 0.38% | ||
| Gross expense ratio, excluding staking fees | 0.18% | 0.20% | ||
| Net expense ratio, excluding staking fees | 0.18% | 0.16% |