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Note 3 - Trust Expenses (Details Textual)	12 Months Ended
	Dec. 31, 2025 USD ($)
Sponsor's Fee Annualized Accrual Rate Based on Daily Net Asset Value	0.50%
Maximum [Member]
Legal Fees Per Year	$ 500,000

X

- Definition

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

+ References

No definition available.

+ Details

Name:	slv_LegalFeesPerYear
Namespace Prefix:	slv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Sponsor's fee annualized accrual rate based on daily net asset value

+ References

No definition available.

+ Details

Name:	slv_SponsorsFeeAnnualizedAccrualRateBasedOnDailyNetAssetValue
Namespace Prefix:	slv_
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: