v3.25.2
Investment Objectives and Goals
Mar. 31, 2025
Nuveen Bond Index Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Bond Index Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return that corresponds with the total return of a broad U.S. investment-grade bond market index.

Nuveen Core Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Core Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return, primarily through current income.

Nuveen Core Impact Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Core Impact Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return, primarily through current income, while giving special consideration to certain environmental, social and governance (“ESG”) criteria.

Nuveen Core Plus Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Core Plus Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return, primarily through current income.

Nuveen 5-15 Year Laddered Tax Exempt Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen 5–15 Year Laddered Tax Exempt Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks current income that is exempt from regular federal income tax.

Nuveen Green Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Green Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return, primarily through current income, while giving special consideration to certain environmental criteria.

Nuveen High Yield Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen High Yield Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return primarily through high current income and, when consistent with its primary objective, capital appreciation.

Nuveen Short Duration Impact Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Short Duration Impact Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks current income while giving special consideration to certain environmental, social and governance (“ESG”) criteria.

Nuveen Short Term Bond Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Short Term Bond Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks current income.

Nuveen Short Term Bond Index Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Short Term Bond Index Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks total return that corresponds with the total return of a short-term U.S. investment-grade bond market index.

Nuveen Money Market Fund  
Prospectus [Line Items]  
Risk/Return [Heading] Nuveen Money Market Fund
Objective [Heading] Investment objective
Objective, Primary [Text Block]

The Fund seeks current income consistent with maintaining liquidity and preserving capital.