v3.25.2
S000089612 [Member] Annual Fund Operating Expenses - Nuveen Municipal Income ETF - Nuveen Municipal Income ETF
Mar. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.29%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.00% [1]
Expenses (as a percentage of Assets) 0.29%
[1] Other Expenses are estimated for the current fiscal year.