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Financial Highlights (Details Narrative)	9 Months Ended
	Sep. 30, 2024
Investment Company [Abstract]
Sponsor's fee rate	0.05%

X

- Definition

Annual rate of Sponsor's fee.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentCompanyAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration