v3.26.1

Note 1 - Organization (Details Textual) | 6 Months Ended
--- | ---
Mar. 31, 2026 shares
Trust Formation Date | Nov. 12, 2004
Minimum Block of Shares Issued Redeemed Against Gold (in shares) | 100,000

X
- Definition The minimum block of shares issued for redemption against gold. + References No definition available. + Details
Name: | gld_MinimumBlockOfSharesIssuedRedeemedAgainstGold
Namespace Prefix: | gld_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The date the trust was formed. + References No definition available. + Details
Name: | gld_TrustFormationDate
Namespace Prefix: | gld_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration