010000 - Document - Document and Entity Information {Elements}
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020102 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Retirement Income Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020104 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2010 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020106 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2015 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020108 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2020 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020110 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2025 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020112 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2030 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020114 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2035 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020116 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2040 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020118 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2045 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020120 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2050 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020122 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2055 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020124 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2060 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020126 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2065 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020128 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle 2070 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020130 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index Retirement Income Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020132 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2010 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020134 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2015 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020136 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2020 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020138 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2025 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020140 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2030 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020142 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2035 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020144 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2040 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020146 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2045 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020148 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2050 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020150 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2055 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020152 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2060 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020154 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2065 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020156 - Disclosure - Risk/Return Detail Data (Nuveen Lifecycle Index 2070 Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020158 - Disclosure - Risk/Return Detail Data (Nuveen Lifestyle Income Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020160 - Disclosure - Risk/Return Detail Data (Nuveen Lifestyle Conservative Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020162 - Disclosure - Risk/Return Detail Data (Nuveen Lifestyle Moderate Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020164 - Disclosure - Risk/Return Detail Data (Nuveen Lifestyle Growth Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020166 - Disclosure - Risk/Return Detail Data (Nuveen Lifestyle Aggressive Growth Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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020168 - Disclosure - Risk/Return Detail Data (Nuveen Managed Allocation Fund) {Elements}
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020101 - Schedule - Risk Table {Transposed}
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010004 - Schedule - Investment Risks {Unlabeled}
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