v3.26.3
S000000545 [Member] Expense Example - Nuveen Arizona Municipal Bond Fund
May 31, 2026
USD ($)
Nuveen Arizona Municipal Bond Fund - Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 502
Expense Example, with Redemption, 3 Years 677
Expense Example, with Redemption, 5 Years 866
Expense Example, with Redemption, 10 Years 1,414
Nuveen Arizona Municipal Bond Fund - Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 65
Expense Example, with Redemption, 3 Years 205
Expense Example, with Redemption, 5 Years 357
Expense Example, with Redemption, 10 Years 798
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 167
Expense Example, with Redemption, 3 Years 517
Expense Example, with Redemption, 5 Years 892
Expense Example, with Redemption, 10 Years $ 1,944