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Note 3 - Trust Expenses (Details Textual) - USD ($)		3 Months Ended	7 Months Ended	36 Months Ended
	Jan. 31, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2024
Sponsors Fee Annualized Accrual Rate Based on Daily Net Asset Value		0.15%
Sponsor Fees Waived		$ 233,058
Maximum [Member]
Legal Fees Per Year	$ 500,000		$ 100,000
Maximum [Member] | Forecast [Member]
Sponsors Fee After Fee Waiver, Percentage				0.07%

X

- Definition

Maximum per annum in legal fees and expenses the sponsor has agreed to assume.

+ References

No definition available.

+ Details

Name:	iaum_LegalFeesPerYear
Namespace Prefix:	iaum_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of sponsor fees waived during period.

+ References

No definition available.

+ Details

Name:	iaum_SponsorFeesWaived
Namespace Prefix:	iaum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The percentage of sponsor's fee after fee waiver.

+ References

No definition available.

+ Details

Name:	iaum_SponsorsFeeAfterFeeWaiverPercentage
Namespace Prefix:	iaum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Annualized sponsor's fee rate accrued daily based on the net asset value of the trust.

+ References

No definition available.

+ Details

Name:	iaum_SponsorsFeeAnnualizedAccrualRateBasedOnDailyNetAssetValue
Namespace Prefix:	iaum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: