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Canadian Dollar Deposits - Additional Information (Detail)	9 Months Ended	12 Months Ended
	Jul. 31, 2015 CAD	Oct. 31, 2014 CAD	Jul. 31, 2015 USD ($)	[1]	Jul. 31, 2015 CAD	Oct. 31, 2014 USD ($)	Oct. 31, 2014 CAD
Deposits [Abstract]
Canadian dollar principal deposits	CAD 124,280,417	CAD 39,774,638
Canadian dollar principal redemptions	124,293,628	CAD 109,380,254
Canadian dollar principal balance			$ 217,762,108		CAD 283,297,615	$ 251,358,636	CAD 283,394,295
Canadian dollar withdrawals	CAD 83,469
[1] (Unaudited)

X

- Definition

Payments for interest bearing deposits in banks withdrawals to pay expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	fxc_
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Balance Type:	credit
Period Type:	duration

X

- Definition

Proceeds from interest bearing deposits in banks.

+ References

No definition available.

+ Details

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Namespace Prefix:	fxc_
Data Type:	xbrli:monetaryItemType
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X

- Definition

Proceeds from interest bearing deposits in banks redemption.

+ References

No definition available.

+ Details

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Namespace Prefix:	fxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



-Subparagraph (SX 210.9-03.2)



-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section 45



-Paragraph 4



-URI http://asc.fasb.org/extlink&oid=6476743&loc=d3e59706-112781

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