XML 26 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document and Entity Information
 6 Months Ended
Mar. 31, 2012
May 07, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name SPDR GOLD TRUST  
Entity Central Index Key 0001222333  
Document Type 10-Q  
Document Period End Date Mar. 31, 2012  
Amendment Flag false  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --09-30  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding (actual number)   422,000,000