S000005560 [Member] Expense Example, No Redemption - Nuveen Nebraska Municipal Bond Fund |
May 31, 2026
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 498 |
| Expense Example, No Redemption, 3 Years | 682 |
| Expense Example, No Redemption, 5 Years | 894 |
| Expense Example, No Redemption, 10 Years | 1,503 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 61 |
| Expense Example, No Redemption, 3 Years | 210 |
| Expense Example, No Redemption, 5 Years | 386 |
| Expense Example, No Redemption, 10 Years | 894 |
| Nuveen Nebraska Municipal Bond Fund Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 163 |
| Expense Example, No Redemption, 3 Years | 522 |
| Expense Example, No Redemption, 5 Years | 919 |
| Expense Example, No Redemption, 10 Years | $ 2,030 |