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Prospectus: rr_ProspectusTable  
Supplement Text Block wfastrmunbdfd-20151119_SupplementTextBlock

SUPPLEMENT TO THE PROSPECTUSES
SUMMARY PROSPECTUSES AND
STATEMENT OF ADDITIONAL INFORMATION
OF
WELLS FARGO ADVANTAGE MUNICIPAL INCOME FUNDS
Wells Fargo Advantage Strategic Municipal Bond Fund (the "Fund")
At a meeting held on November 17-18, 2015, the Board of Trustees of the Fund approved changes to the Fund's Class A Sales Charges Schedule and related changes.
I. Prospectus and Summary Prospectus
Effective December 15, 2015, the Fund's Shareholder Fees table in the section of the Fund's Summary entitled "Fund Summary - Fees and Expenses", is hereby replaced with the following:
Shareholder Fees (Fees paid directly from your investment)
      
 
Class A
Class B
Class C
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)
4.00%
None
None
Maximum deferred sales charge (load) (as a percentage of offering price)
None1
5.00%
1.00%

1.  
Investments of $250,000 or more are not subject to a front-end sales charge but generally will be subject to a deferred sales charge of 1.00% if redeemed within 18 months from the date of purchase.

(Wells Fargo Advantage Strategic Municipal Bond Fund - Class A, B and C) | (Wells Fargo Advantage Strategic Municipal Bond Fund)  
Prospectus: rr_ProspectusTable  
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock Investments of $250,000 or more are not subject to a front-end sales charge but generally will be subject to a deferred sales charge of 1.00% if redeemed within 18 months from the date of purchase.
(Wells Fargo Advantage Strategic Municipal Bond Fund - Class A, B and C) | (Wells Fargo Advantage Strategic Municipal Bond Fund) | Class A  
Prospectus: rr_ProspectusTable  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.00%
Maximum deferred sales charge (load) (as a percentage of offering price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
(Wells Fargo Advantage Strategic Municipal Bond Fund - Class A, B and C) | (Wells Fargo Advantage Strategic Municipal Bond Fund) | Class B  
Prospectus: rr_ProspectusTable  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of offering price) rr_MaximumDeferredSalesChargeOverOfferingPrice 5.00%
(Wells Fargo Advantage Strategic Municipal Bond Fund - Class A, B and C) | (Wells Fargo Advantage Strategic Municipal Bond Fund) | Class C  
Prospectus: rr_ProspectusTable  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as a percentage of offering price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
[1] Investments of $250,000 or more are not subject to a front-end sales charge but generally will be subject to a deferred sales charge of 1.00% if redeemed within 18 months from the date of purchase.