S000000286 [Member] Investment Objectives and Goals - Nuveen All-American Municipal Bond Fund |
Mar. 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Nuveen All-American Municipal Bond Fund |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of the Fund is to provide you with as high a level of current interest income exempt from regular federal income taxes as is consistent with preservation of capital.
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