Note 1 - Organization	12 Months Ended
Dec. 31, 2014
Disclosure Text Block [Abstract]
Business Description and Basis of Presentation [Text Block]	1 - Organization The iShares® Gold Trust (the “Trust”) was organized on January 21, 2005 as a New York 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 iShares® Delaware Trust Sponsor LLC, a Delaware limited liability company (the “Sponsor”). The Trust is governed by the Third Amended and Restated Depositary Trust Agreement (the “Trust Agreement”) executed by the Trustee and the Sponsor as of February 28, 2013. The Trust issues units of beneficial interest (or “Shares”) representing fractional undivided beneficial interests in its net assets. The Trust seeks to reflect generally the performance of the price of gold. The Trust seeks to reflect such performance before payment of the Trust’s expenses and liabilities. The Trust is designed to provide a vehicle for investors to own interests in gold bullion. Effective January 1, 2014, the Trust qualifies as an investment company for accounting purposes and follows the accounting and reporting guidance under the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification Topic 946, Financial Services – Investment Companies (“Topic 946”), but is not registered, and is not required to be registered, under the Investment Company Act of 1940, as amended (the “Investment Company Act”). Please refer to Note 2B Investment Company Status.

Note 1 - Organization

12 Months Ended

Dec. 31, 2014

Business Description and Basis of Presentation [Text Block]

1 - Organization

The iShares® Gold Trust (the “Trust”) was organized on January 21, 2005 as a New York 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 iShares® Delaware Trust Sponsor LLC, a Delaware limited liability company (the “Sponsor”). The Trust is governed by the Third Amended and Restated Depositary Trust Agreement (the “Trust Agreement”) executed by the Trustee and the Sponsor as of February 28, 2013. The Trust issues units of beneficial interest (or “Shares”) representing fractional undivided beneficial interests in its net assets.

The Trust seeks to reflect generally the performance of the price of gold. The Trust seeks to reflect such performance before payment of the Trust’s expenses and liabilities. The Trust is designed to provide a vehicle for investors to own interests in gold bullion.

Effective January 1, 2014, the Trust qualifies as an investment company for accounting purposes and follows the accounting and reporting guidance under the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification Topic 946, Financial Services – Investment Companies (“Topic 946”), but is not registered, and is not required to be registered, under the Investment Company Act of 1940, as amended (the “Investment Company Act”). Please refer to Note 2B Investment Company Status.