v3.26.1
S000047609 [Member] Annual Fund Operating Expenses - Nuveen Strategic Municipal Opportunities Fund
Mar. 31, 2026
Class A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.48%
Distribution and Service (12b-1) Fees 0.20%
Component1 Other Expenses 0.09% [1]
Component2 Other Expenses 0.08%
Expenses (as a percentage of Assets) 0.85%
Class C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.48%
Distribution and Service (12b-1) Fees 1.00%
Component1 Other Expenses 0.09% [1]
Component2 Other Expenses 0.08%
Expenses (as a percentage of Assets) 1.65%
Class I  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.48%
Distribution and Service (12b-1) Fees 0.00%
Component1 Other Expenses 0.09% [1]
Component2 Other Expenses 0.08%
Expenses (as a percentage of Assets) 0.65%
[1] Includes interest expense and fees paid on Fund borrowings and/or interest and related expenses from inverse floaters.