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Redeemable Capital Shares - Additional Information (Detail)	3 Months Ended
	Jan. 31, 2014
Equity [Abstract]
Redeemable Capital Shares, Settlement of each creation or redemption period	3 days

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- Definition

Redeemable Capital Shares Settlement Period Creation And Redemption

+ References

No definition available.

+ Details

Name:	fxc_RedeemableCapitalSharesSettlementPeriodCreationAndRedemption
Namespace Prefix:	fxc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- Details

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