XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.25.4

Trust Expenses (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2025
Trust Expenses |
Sponsor's fee annual rate | 0.25%

X
- References No definition available. + Details
Name: | brrr_DisclosureTrustExpensesAbstract
Namespace Prefix: | brrr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annual rate of Sponsor's fee. + References No definition available. + Details
Name: | brrr_SponsorFeesAnnualRate
Namespace Prefix: | brrr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration