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v2.4.1.9

Sponsor's Fee - Additional Information (Detail) (USD $) | 12 Months Ended
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Oct. 31, 2014
Component Of Other Income And Expense [Line Items] |
Sponsor's fee accrues daily and paid monthly, annual nominal Rate | 0.40%fxc_AnnualNominalRateOfSponsorFeesPercentage
Maximum [Member] |
Component Of Other Income And Expense [Line Items] |
Legal fees and expenses assumed sponsor | 100,000 fxc_LegalFeesAndExpensesAssumedSponsor / us-gaap_RangeAxis = us-gaap_MaximumMember
Minimum [Member] |
Component Of Other Income And Expense [Line Items] |
Legal fees and expenses not assumed by sponsor | 100,000 fxc_LegalFeesAndExpensesNotAssumedBySponsor / us-gaap_RangeAxis = us-gaap_MinimumMember

X
- Definition Annual nominal rate of sponsor fees percentage. + References No definition available. + Details
Name: | fxc_AnnualNominalRateOfSponsorFeesPercentage
Namespace Prefix: | fxc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | fxc_ComponentOfOtherIncomeAndExpenseLineItems
Namespace Prefix: | fxc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Legal fees and expenses assumed sponsor. + References No definition available. + Details
Name: | fxc_LegalFeesAndExpensesAssumedSponsor
Namespace Prefix: | fxc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Legal fees and expenses not assumed by sponsor. + References No definition available. + Details
Name: | fxc_LegalFeesAndExpensesNotAssumedBySponsor
Namespace Prefix: | fxc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |