S000000601 [Member] Average Annual Total Returns

12 Months Ended

60 Months Ended

120 Months Ended

131 Months Ended

334 Months Ended

367 Months Ended

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

S&P Municipal Bond Index (reflects no deduction for fees, expenses or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

^[1]

1.90%

1.20%

2.34%

S&P Municipal Bond Wisconsin Index (reflects no deduction for fees, expenses or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

^[2]

3.80%

1.33%

2.39%

Lipper Other States Municipal Debt Funds Classification Average (reflects no deduction for taxes or sales loads)

Prospectus [Line Items]

Average Annual Return, Percent

^[3]

1.55%

0.43%

1.54%

Nuveen Wisconsin Municipal Bond Fund - Class A

Prospectus [Line Items]

Average Annual Return, Percent

(2.61%)

0.02%

1.69%

Performance Inception Date

Jun. 01, 1994

Nuveen Wisconsin Municipal Bond Fund - Class A | After Taxes on Distributions

Prospectus [Line Items]

Average Annual Return, Percent

(2.69%)

0.00%

1.68%

Performance Inception Date

Jun. 01, 1994

Nuveen Wisconsin Municipal Bond Fund - Class A | After Taxes on Distributions and Sales

Prospectus [Line Items]

Average Annual Return, Percent

(0.35%)

0.71%

2.00%

Performance Inception Date

Jun. 01, 1994

Nuveen Wisconsin Municipal Bond Fund - Class I

Prospectus [Line Items]

Average Annual Return, Percent

1.89%

1.07%

2.33%

Performance Inception Date

Feb. 25, 1997

Class C

Prospectus [Line Items]

Average Annual Return, Percent

0.78%

0.06%

1.48%

Performance Inception Date

Feb. 10, 2014

[1]	An index designed to measure the performance of the tax-exempt U.S. municipal bond market.
[2]	An index designed to measure the performance of the tax-exempt Wisconsin municipal bond market.
[3]	Represents the average annualized total return for all reporting funds in the Lipper Other States Municipal Debt Funds Classification.