v3.25.2
S000000286 [Member] Shareholder Fees - Nuveen All-American Municipal Bond Fund
Mar. 31, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 4.20%
Maximum Deferred Sales Charge (as a percentage) 0.00% [1]
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) 0.00%
Exchange Fee (as a percentage of Amount Redeemed) 0.00%
Maximum Account Fee $ 15
Class C  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage) 1.00% [1]
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) 0.00%
Exchange Fee (as a percentage of Amount Redeemed) 0.00%
Maximum Account Fee $ 15
Class R6  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage) 0.00% [1]
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) 0.00%
Exchange Fee (as a percentage of Amount Redeemed) 0.00%
Maximum Account Fee $ 0
Class I  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage) 0.00% [1]
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) 0.00%
Exchange Fee (as a percentage of Amount Redeemed) 0.00%
Maximum Account Fee $ 0
[1] The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase.