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Significant Accounting Policies (Schedule Of Bullion Receivable And Payable) (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Significant Accounting Policies [Abstract]
Bullion receivable	$ 0	$ 0
Bullion payable	$ 0	$ 0

X

- Definition

Amount of bullion payable at market value as of the reporting date.

+ References

No definition available.

+ Details

Name:	gltr_BullionPayableAtMarketValue
Namespace Prefix:	gltr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of bullion receivable at market value as of the reporting date.

+ References

No definition available.

+ Details

Name:	gltr_BullionReceivableAtMarketValue
Namespace Prefix:	gltr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration