2.2.0.7 true Related Parties - Sponsor, Trustee, Custodian and Marketing Agent Fees (Details) 0605 - Disclosure - Related Parties - Sponsor, Trustee, Custodian and Marketing Agent Fees (Details) true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD true false false false Marketing Agent [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_MarketingAgentMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 5 USD true false false false Marketing Agent [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_MarketingAgentMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 6 XAU true false false false Custodian Tier One [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_CustodianTierOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember XAU Standard http://www.xbrl.org/2003/iso4217 XAU iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 7 XAU true false false false Custodian Tier Two [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_CustodianTierTwoMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember XAU Standard http://www.xbrl.org/2003/iso4217 XAU iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 8 USD true false false false Custodian [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_CustodianMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 9 USD true false false false Custodian [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_CustodianMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 10 USD true false false false Trustee [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_TrusteeMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 11 USD true false false false Trustee [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_TrusteeMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 12 USD true false false false Sponsor [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_SponsorMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 13 USD true false false false Sponsor [Member] us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi gld_SponsorMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 5 Amounts Payable to Related Parties 3 gld_AmountsPayableToRelatedPartiesAbstract gld false na duration Amounts Payable to Related Parties. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:stringItemType string Amounts Payable to Related Parties. false 6 Accounts payable to related parties 4 us-gaap_DueToRelatedPartiesCurrent us-gaap true credit instant No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 16065000 16065000 false false false 2 true true false false 10672000 10672000 false false false 3 false false false false 0 0 false false false 4 true true false false 6530000 6530000 true false false 5 true true false false 4313000 4313000 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 true true false false 2841000 2841000 true false false 9 true true false false 1882000 1882000 true false false 10 true true false false 164000 164000 true false false 11 true true false false 164000 164000 true false false 12 true true false false 6530000 6530000 true false false 13 true true false false 4313000 4313000 true false false xbrli:monetaryItemType monetary Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph d false 7 Related Parties - Sponsor, Trustee, Custodian and Marketing Agent Fees (Textual) 3 gld_RelatedPartiesSponsorTrusteeCustodianAndMarketingAgentFeesTextualAbstract gld false na duration Related Parties - Sponsor, Trustee, Custodian and Marketing Agent Fees. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:stringItemType string Related Parties - Sponsor, Trustee, Custodian and Marketing Agent Fees. false 8 Related party fees payable at annual rate 4 gld_RelatedPartyFeesPayableAtAnnualRate gld false na duration Related party fees at the annual contractual rates charged on the daily adjusted net asset value of the Trust. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false true false false 0.0015 0.0015 true false false 5 false false false false 0 0 true false false 6 false true false false 0.001 0.001 true false false 7 false true false false 0.0006 0.0006 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false true false false 0.0002 0.0002 true false false 11 false false false false 0 0 true false false 12 false true false false 0.0015 0.0015 true false false 13 false false false false 0 0 true false false xbrli:pureItemType pure Related party fees at the annual contractual rates charged on the daily adjusted net asset value of the Trust. No authoritative reference available. false 9 Aggregate weight of gold to determine custodian fee tiers 4 gld_AggregateWeightOfGoldToDetermineCustodianFeeTiers gld false na duration Aggregate weight of gold used to determine appropriate custodian fee tier to use in calculating custodian fee. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false true false false 4500000 4500000 true false false 7 false true false false 4500000 4500000 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:pureItemType pure Aggregate weight of gold used to determine appropriate custodian fee tier to use in calculating custodian fee. No authoritative reference available. false 10 Assets under management required for Trust accrual 4 gld_AssetsUnderManagementRequiredForTrustAccrual gld false debit instant The approximate assets under management below which the Trust will accrue expenses at a rate higher than the expense ratio of... false false false false false false false false false false false verboselabel false 1 false true false false 1200000000 1200000000 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:monetaryItemType monetary The approximate assets under management below which the Trust will accrue expenses at a rate higher than the expense ratio of the Trust. No authoritative reference available. false 11 Trustee minimum fee 1 gld_TrusteeMinimumFee gld false debit duration The minimum annual fee payable to the Trustee. false false false false false false false false false false false verboselabel false 1 false true false false 500000 500000 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:monetaryItemType monetary The minimum annual fee payable to the Trustee. No authoritative reference available. false 12 Trustee maximum fee 1 gld_TrusteeMaximumFee gld false debit duration The maximum annual fee payable to the Trustee. false false false false false false false false false false false verboselabel false 1 false true false false 2000000 2000000 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:monetaryItemType monetary The maximum annual fee payable to the Trustee. No authoritative reference available. false 13 Trust expense ratio 1 gld_TrustExpenseRatio gld false na duration The annual percentage of the adjusted net asset value charged to the Trust to meet its expenses. false false false false false false false false false false false verboselabel false 1 false true false false 0.004 0.004 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:pureItemType pure The annual percentage of the adjusted net asset value charged to the Trust to meet its expenses. No authoritative reference available. false 14 Sponsor and Marketing Agent combined fees at a rate 2 gld_SponsorAndMarketingAgentCombinedFeesAtRate gld false na duration Combined Sponsor's and Marketing Agent's fees which can be waived to maintain the total expenses charged to the Trust at the... false false false false false false false false false false false verboselabel false 1 false true false false 0.003 0.003 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:pureItemType pure Combined Sponsor's and Marketing Agent's fees which can be waived to maintain the total expenses charged to the Trust at the expense ratio of the Trust. No authoritative reference available. false 15 Ordinary expenses accrual rate if gross assets drop discussion 1 gld_OrdinaryExpensesAccrualRateIfGrossAssetsDropDiscussion gld false na duration Discussion that relates to the approximate assets under management below which the ordinary expenses will accrue at a rate... false false false false false false false false false false false verboselabel false 1 false false false false 0 0 The ordinary expenses of the Trust will be accrued at a rate greater than 0.40% per year of the daily ANAV of the Trust, even after the Sponsor and the Marketing Agent have completely reduced their combined fees The ordinary expenses of the Trust will be accrued at a rate greater than 0.40% per year of the daily ANAV of the Trust, even after the Sponsor and the false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false us-types:textBlockItemType textblock Discussion that relates to the approximate assets under management below which the ordinary expenses will accrue at a rate greater than the expense ratio. No authoritative reference available. false 16 Unforeseen expenses of the Trust discussion 1 gld_UnforeseenExpensesOfTrustDiscussion gld false na duration Discussion that relates to the rate at which unforeseen expenses might accrue which would result in the expense ratio charged... false false false false false false false false false false false verboselabel false 1 false false false false 0 0 Additionally, if the Trust incurs unforeseen expenses that cause the total ordinary expenses of the Trust to exceed 0.70% per year of the daily ANAV of the Trust, the ordinary expenses will accrue at a rate greater than 0.40% per year of the daily ANAV of the Trust, even after the Sponsor and the Marketing Agent have completely reduced their combined fees Additionally, if the Trust incurs unforeseen expenses that cause the total ordinary expenses of the Trust to exceed 0.70% per year of the daily ANAV of the false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false us-types:textBlockItemType textblock Discussion that relates to the rate at which unforeseen expenses might accrue which would result in the expense ratio charged to the Trust being exceeded. No authoritative reference available. false 17 Sponsor and Marketing Agent fees reduction 1 gld_SponsorAndMarketingAgentFeesReduction gld false debit duration The reduction in the Sponsor's and Marketing Agent's fees made to ensure that the total expenses charged to the Trust do not... false false false false false false false false false false false verboselabel false 1 true true false false 175823 175823 false false false 2 true true false false 657248 657248 false false false 3 true true false false 992705 992705 false false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false xbrli:monetaryItemType monetary The reduction in the Sponsor's and Marketing Agent's fees made to ensure that the total expenses charged to the Trust do not exceed the expense ratio of the Trust. No authoritative reference available. false 13 13 false NoRounding UnKnown UnKnown false true