Financial Highlights - Summary of Per Share Performance (Parenthetical) (Details) - USD ($) $ in Millions		6 Months Ended
May 15, 2026	Jun. 30, 2026	Jun. 14, 2026
Investment Company, Financial Highlights [Abstract]
Commenced period	1 month
Operations commencement date	May 15, 2026
Trust assets			$ 500
Gross expense ratio, including staking fees		0.37%
Net expenses ratio, including staking fees		0.37%
Gross expense ratio, excluding staking fees		(0.34%)
Net expense ratio, excluding staking fees		(0.17%)

Gross investment company expense ratio, excluding staking fees.

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Gross investment company expense ratio, including staking fees

+ References

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Net investment company expense ratio, excluding staking fees.

+ References

No definition available.

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Net investment company expense ratio, including staking fees.

+ References

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Operations commenced period.

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480031/860-30-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

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Date the operations of the entity commenced, in YYYY-MM-DD format.

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