Average Annual Total Returns

12 Months Ended

60 Months Ended

120 Months Ended

312 Months Ended

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

Dec. 31, 2025

MSCI EAFE Index (Net Return) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes)

Prospectus [Line Items]

Average Annual Return, Percent

^[1]

31.22%

8.92%

8.18%

Lipper International Multi-Cap Value Funds Classification Average (reflects no deduction for taxes or sales loads)

Prospectus [Line Items]

Average Annual Return, Percent

^[2]

39.69%

11.20%

8.19%

Nuveen International Value Fund - Class A

Prospectus [Line Items]

Average Annual Return, Percent

27.94%

10.34%

7.23%

Performance Inception Date

Dec. 20, 1999

Nuveen International Value Fund - Class A | After Taxes on Distributions

Prospectus [Line Items]

Average Annual Return, Percent

27.93%

9.86%

6.83%

Performance Inception Date

Dec. 20, 1999

Nuveen International Value Fund - Class A | After Taxes on Distributions and Sales

Prospectus [Line Items]

Average Annual Return, Percent

16.54%

8.21%

5.86%

Performance Inception Date

Dec. 20, 1999

Nuveen International Value Fund - Class C

Prospectus [Line Items]

Average Annual Return, Percent

34.76%

10.82%

7.22%

Performance Inception Date

Dec. 20, 1999

Nuveen International Value Fund - Class I

Prospectus [Line Items]

Average Annual Return, Percent

36.06%

11.92%

8.13%

Performance Inception Date

Dec. 20, 1999

[1]	An index designed to measure the performance of large and mid-cap securities across 21 developed market countries, excluding the U.S. and Canada.
[2]	Represents the average annualized total return for all reporting funds in the Lipper International Multi-Cap Value Funds Classification.