S000000554 [Member] Expense Example, No Redemption - Nuveen Connecticut Municipal Bond Fund |
Feb. 28, 2026
USD ($)
|
|---|---|
| Nuveen Connecticut Municipal Bond Fund - Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 499 |
| Expense Example, No Redemption, 3 Years | 668 |
| Expense Example, No Redemption, 5 Years | 851 |
| Expense Example, No Redemption, 10 Years | 1,379 |
| Nuveen Connecticut Municipal Bond Fund - Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 62 |
| Expense Example, No Redemption, 3 Years | 195 |
| Expense Example, No Redemption, 5 Years | 340 |
| Expense Example, No Redemption, 10 Years | 762 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 164 |
| Expense Example, No Redemption, 3 Years | 508 |
| Expense Example, No Redemption, 5 Years | 876 |
| Expense Example, No Redemption, 10 Years | $ 1,911 |