S000005556 [Member] Expense Example, No Redemption - Nuveen Mid Cap Value Opportunities Fund |
Oct. 31, 2025
USD ($)
|
|---|---|
| Class A | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 684 |
| Expense Example, No Redemption, 3 Years | 925 |
| Expense Example, No Redemption, 5 Years | 1,188 |
| Expense Example, No Redemption, 10 Years | 1,937 |
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 191 |
| Expense Example, No Redemption, 3 Years | 603 |
| Expense Example, No Redemption, 5 Years | 1,043 |
| Expense Example, No Redemption, 10 Years | 2,267 |
| Class I | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 90 |
| Expense Example, No Redemption, 3 Years | 293 |
| Expense Example, No Redemption, 5 Years | 516 |
| Expense Example, No Redemption, 10 Years | 1,157 |
| Class R6 | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 78 |
| Expense Example, No Redemption, 3 Years | 255 |
| Expense Example, No Redemption, 5 Years | 451 |
| Expense Example, No Redemption, 10 Years | $ 1,016 |