Organization	9 Months Ended
Sep. 30, 2011
Organization [Abstract]
Organization	1 - Organization The iShares^® Gold Trust (the "Trust") was organized on January 21, 2005 as a New York trust. Prior to September 2, 2010, the Trust was known as iShares^® COMEX^® Gold Trust. The trustee is The Bank of New York Mellon (the "Trustee"), which is responsible for the day to day administration of the Trust. The Trust's sponsor is BlackRock Asset Management International Inc. (the "Sponsor"), a Delaware corporation. The Trust is governed by the Second Amended and Restated Depositary Trust Agreement dated as of September 2, 2010 (as amended, the "Trust Agreement"). The Trust issues units of beneficial interest (or "Shares") representing fractional undivided beneficial interests in its net assets. The objective of the Trust is for the value of its Shares to reflect, at any given time, the price of gold owned by the Trust at that time, less the Trust's expenses and liabilities. The Trust is designed to provide a vehicle for investors to own interests in gold bullion. The accompanying unaudited financial statements were prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") for interim financial information and with the instructions for Form 10-Q and the rules and regulations of the U.S. Securities and Exchange Commission (the "SEC"). In the opinion of management, all material adjustments, consisting only of normal recurring adjustments, considered necessary for a fair statement of the interim period financial statements have been made. Interim period results are not necessarily indicative of results for a full-year period. These financial statements and the notes thereto should be read in conjunction with the Trust's financial statements included in its Annual Report on Form 10-K for the year ended December 31, 2010 as filed with the SEC on February 25, 2011. The Trust is not an investment company registered under the Investment Company Act of 1940, as amended.

1 - Organization

The iShares^® Gold Trust (the "Trust") was organized on January 21, 2005 as a New York trust. Prior to September 2, 2010, the Trust was known as iShares^® COMEX^® Gold Trust. The trustee is The Bank of New York Mellon (the "Trustee"), which is responsible for the day to day administration of the Trust. The Trust's sponsor is BlackRock Asset Management International Inc. (the "Sponsor"), a Delaware corporation. The Trust is governed by the Second Amended and Restated Depositary Trust Agreement dated as of September 2, 2010 (as amended, the "Trust Agreement"). The Trust issues units of beneficial interest (or "Shares") representing fractional undivided beneficial interests in its net assets.

The objective of the Trust is for the value of its Shares to reflect, at any given time, the price of gold owned by the Trust at that time, less the Trust's expenses and liabilities. The Trust is designed to provide a vehicle for investors to own interests in gold bullion.

The accompanying unaudited financial statements were prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") for interim financial information and with the instructions for Form 10-Q and the rules and regulations of the U.S. Securities and Exchange Commission (the "SEC"). In the opinion of management, all material adjustments, consisting only of normal recurring adjustments, considered necessary for a fair statement of the interim period financial statements have been made. Interim period results are not necessarily indicative of results for a full-year period. These financial statements and the notes thereto should be read in conjunction with the Trust's financial statements included in its Annual Report on Form 10-K for the year ended December 31, 2010 as filed with the SEC on February 25, 2011.

The Trust is not an investment company registered under the Investment Company Act of 1940, as amended.