S000000598 [Member] Expense Example - Nuveen Michigan Municipal Bond Fund |
May 31, 2025
USD ($)
|
|---|---|
| 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 |
| 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 |
| 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 |