XML 36 R19.htm IDEA: XBRL DOCUMENT v3.2.0.727

Organization - Additional Information (Detail) - 9 months ended Jun. 30, 2015 - shares	Total
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Formation date
Minimum denomination of shares issued redeemed against gold	100,000
Trust adoption of financial presentation provisions appropriate to investment company for accounting purposes, effective date	Oct. 01, 2014

X

- Definition

The minimum block of shares that can be created or redeemed against gold deposits or distributions.

+ References

No definition available.

+ Details

Name:	gld_MinimumBlockOfSharesIssuedRedeemedAgainstGold
Namespace Prefix:	gld_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Trust adoption of financial presentation provisions appropriate to investment company for accounting purposes effective date.

+ References

No definition available.

+ Details

Name:	gld_TrustAdoptionOfFinancialPresentationProvisionsAppropriateToInvestmentCompanyForAccountingPurposesEffectiveDate
Namespace Prefix:	gld_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Trust Formation Date

+ References

No definition available.

+ Details

Name:	gld_TrustFormationDate
Namespace Prefix:	gld_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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