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Financial Highlights (Parenthetical)				12 Months Ended
	Nov. 02, 2019	Dec. 01, 2018	Nov. 30, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	[1]
Equity [Abstract]
Share split ratio	10
Expense ratio		0.17%	0.39%	0.17%	0.17%	0.38%
[1] Effective December 1, 2018, the Sponsor’s fee accruals daily at an annualized rate of 0.17%. Prior to December 1, 2018, the Sponsor’s fee accrued at a daily annualized rate of 0.39%.

X

- Definition

Annualized rate of sponsor's fee.

+ References

No definition available.

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X

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770

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