v3.25.2
S000000286 [Member] Expense Example - Nuveen All-American Municipal Bond Fund
Mar. 31, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 500
Expense Example, with Redemption, 3 Years 671
Expense Example, with Redemption, 5 Years 856
Expense Example, with Redemption, 10 Years 1,391
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 165
Expense Example, with Redemption, 3 Years 511
Expense Example, with Redemption, 5 Years 881
Expense Example, with Redemption, 10 Years 1,922
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 60
Expense Example, with Redemption, 3 Years 189
Expense Example, with Redemption, 5 Years 329
Expense Example, with Redemption, 10 Years 738
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 63
Expense Example, with Redemption, 3 Years 198
Expense Example, with Redemption, 5 Years 346
Expense Example, with Redemption, 10 Years $ 774