Schedules of Investments - Investments (Details)	Dec. 31, 2021 USD ($) oz	Dec. 31, 2020 USD ($) oz	Dec. 31, 2019 USD ($) oz	Dec. 31, 2018 USD ($) oz
Gold bullion (Ounce) \| oz	15,784,325	16,881,652	11,577,252	9,009,541
Investment in gold bullion, cost	$ 23,722,912,868	$ 25,014,142,586	$ 15,094,673,874	$ 11,255,129,376
Gold bullion fair value	28,729,048,695	31,924,891,396
Less Liabilities	(6,025,058)	(6,622,260)
Net Assets	$ 28,723,023,637	$ 31,918,269,136	$ 17,628,525,082	$ 11,544,738,146

Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 5D
-Subparagraph (SX 210.12-13D(Column C))
-URI http://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column C))
-URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010

Name:	us-gaap_InvestmentOwnedAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant