v3.26.1
Expense Example, No Redemption - Nuveen Short Term Municipal Bond Fund
Mar. 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 311
Expense Example, No Redemption, 3 Years 457
Expense Example, No Redemption, 5 Years 617
Expense Example, No Redemption, 10 Years 1,080
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 42
Expense Example, No Redemption, 3 Years 149
Expense Example, No Redemption, 5 Years 266
Expense Example, No Redemption, 10 Years 608
Nuveen Short Term Municipal Bond Fund Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 144
Expense Example, No Redemption, 3 Years 463
Expense Example, No Redemption, 5 Years 806
Expense Example, No Redemption, 10 Years $ 1,773