v3.26.3
S000014609 [Member] Expense Example - Nuveen Small/Mid Cap Value Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 698
Expense Example, with Redemption, 3 Years 964
Expense Example, with Redemption, 5 Years 1,254
Expense Example, with Redemption, 10 Years 2,077
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 206
Expense Example, with Redemption, 3 Years 643
Expense Example, with Redemption, 5 Years 1,110
Expense Example, with Redemption, 10 Years 2,403
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 105
Expense Example, with Redemption, 3 Years 332
Expense Example, with Redemption, 5 Years 580
Expense Example, with Redemption, 10 Years 1,289
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 91
Expense Example, with Redemption, 3 Years 288
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years $ 1,126