Annual Total Returns - Class R6 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| Nuveen Bond Index Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 1.43% | 5.64% | (13.24%) | (1.81%) | 7.49% | 8.38% | (0.02%) | 3.42% | 2.38% | 0.53% |
| Nuveen Core Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.66% | 6.34% | (13.24%) | (0.96%) | 7.87% | 9.35% | (0.38%) | 4.47% | 4.21% | 0.72% |
| Nuveen Core Impact Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.56% | 6.04% | (14.01%) | (1.03%) | 7.45% | 8.73% | 0.33% | 4.51% | 3.19% | 1.18% |
| Nuveen Core Plus Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.11% | 7.03% | (13.32%) | (0.33%) | 7.98% | 9.47% | (0.25%) | 4.81% | 4.66% | 0.63% |
| Nuveen 5-15 Year Laddered Tax Exempt Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 0.78% | 6.08% | (9.05%) | 1.31% | 4.33% | 7.84% | 1.64% | 4.91% | (0.80%) | 2.39% |
| Nuveen Green Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.06% | 6.44% | (12.98%) | (0.60%) | 8.59% | 8.92% | ||||
| Nuveen High Yield Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 7.89% | 13.02% | (9.83%) | 4.79% | 2.23% | 16.21% | (2.66%) | 5.65% | 16.45% | (3.72%) |
| Nuveen Short Duration Impact Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.21% | 5.21% | (3.79%) | 0.22% | 4.61% | 5.06% | ||||
| Nuveen Short Term Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.31% | 5.41% | (2.89%) | 0.18% | 3.57% | 4.25% | 1.46% | 1.88% | 2.07% | 0.96% |
| Nuveen Short Term Bond Index Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.39% | 4.62% | (3.78%) | (0.57%) | 3.28% | 3.89% | 1.49% | 0.69% | 0.98% | |
| Nuveen Money Market Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.19% | 5.05% | 1.48% | none | 0.44% | 2.11% | 1.72% | 0.75% | 0.29% | 0.02% |