S000047609 [Member] Expense Example - Nuveen Strategic Municipal Opportunities Fund |
Mar. 31, 2026
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 384 |
| Expense Example, with Redemption, 3 Years | 563 |
| Expense Example, with Redemption, 5 Years | 757 |
| Expense Example, with Redemption, 10 Years | 1,317 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 168 |
| Expense Example, with Redemption, 3 Years | 520 |
| Expense Example, with Redemption, 5 Years | 897 |
| Expense Example, with Redemption, 10 Years | 1,954 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 66 |
| Expense Example, with Redemption, 3 Years | 208 |
| Expense Example, with Redemption, 5 Years | 362 |
| Expense Example, with Redemption, 10 Years | $ 810 |