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S000095480 [Member] Annual Fund Operating Expenses - Nuveen International Aggregate Bond ETF - Nuveen International Aggregate Bond ETF
Dec. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.07%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.01% [1]
Expenses (as a percentage of Assets) 0.08%
[1]
Other Expenses are estimated for the current fiscal year.