S000055646 [Member] Annual Total Returns |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Nuveen Short-Term REIT ETF | Nuveen Short-Term REIT ETF | |||||||||||
| Prospectus [Line Items] | |||||||||||
| Annual Return [Percent] | [1] | (7.53%) | 6.83% | 12.99% | (28.37%) | 53.19% | (7.29%) | 25.10% | (1.05%) | 7.45% | |
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