v3.26.1
Expense Example - Nuveen Short Duration and Impact Bond Fund
Mar. 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 316
Expense Example, with Redemption, 3 Years 472
Expense Example, with Redemption, 5 Years 659
Expense Example, with Redemption, 10 Years 1,199
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 39
Expense Example, with Redemption, 3 Years 139
Expense Example, with Redemption, 5 Years 266
Expense Example, with Redemption, 10 Years 635
Premier Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 50
Expense Example, with Redemption, 3 Years 175
Expense Example, with Redemption, 5 Years 330
Expense Example, with Redemption, 10 Years 779
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 35
Expense Example, with Redemption, 3 Years 126
Expense Example, with Redemption, 5 Years 243
Expense Example, with Redemption, 10 Years 586
Retirement Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 60
Expense Example, with Redemption, 3 Years 206
Expense Example, with Redemption, 5 Years 381
Expense Example, with Redemption, 10 Years $ 889