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Document and Entity Information
6 Months Ended
Jun. 30, 2011
Document and Entity Information  
Document Type 10-Q
Amendment Flag false
Document Period End Date Jun. 30, 2011
Document Fiscal Year Focus 2011
Document Fiscal Period Focus Q2
Entity Filer Category Large Accelerated Filer
Entity Registrant Name ISHARES GOLD TRUST
Entity Central Index Key 0001278680
Current Fiscal Year End Date --12-31
Entity Common Stock, Shares Outstanding 475,050,000