Schedule of Investments (Unaudited) (Details) - Investments (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014 oz		Jun. 30, 2014 oz	Dec. 31, 2013 oz	Sep. 30, 2013 oz	Jun. 30, 2013 oz	Dec. 31, 2012 oz
Investments [Abstract]
Gold bullion (in Ounces)	5,222,300	[1]	5,297,300	5,220,500	5,711,700	5,756,200	6,999,900
Gold bullion	$ 6,304,081	[1]	$ 6,387,552	$ 6,272,422
Gold bullion	$ 6,352,888	[1],[2]	$ 6,965,884	$ 6,272,422
Gold bullion	100.02%	[1]

[1] Effective January 1, 2014, the Trust qualifies as an investment company for accounting purposes. Disclosure of a schedule of investments is required for investment companies. Please refer to Note 2B.

[2] Presented at fair value at September 30, 2014 (cost: $6,304,081).