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Trust Expenses (Details Narrative)	3 Months Ended
	Mar. 31, 2026
Trust Expenses
Sponsor's fee annual rate	0.25%

X

- References

No definition available.

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Namespace Prefix:	brrr_
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Balance Type:	na
Period Type:	duration

X

- Definition

Annual rate of Sponsor's fee.

+ References

No definition available.

+ Details

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Namespace Prefix:	brrr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration