S000068798 [Member] Annual Total Returns |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Nuveen Core Impact Bond Managed Accounts Portfolio | Common Shares | ||||||
| Prospectus [Line Items] | ||||||
| Annual Return [Percent] | [1] | 3.13% | 6.31% | (17.54%) | (0.81%) | |
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