Form N-CSR Cover
Form N-CSR Cover | 12 Months Ended |
May 31, 2024 | |
Shareholder Report [Line Items] | |
Document Type | N-CSR |
Amendment Flag | false |
Registrant Name | Nuveen Multistate Trust IV |
Entity Central Index Key | 0001018973 |
Document Period End Date | May 31, 2024 |
Shareholder Report
Shareholder Report | 12 Months Ended |
May 31, 2024 USD ($) Holding | |
Shareholder Report [Line Items] | |
Document Type | N-CSR |
Amendment Flag | false |
Registrant Name | Nuveen Multistate Trust IV |
Entity Central Index Key | 0001018973 |
Document Period End Date | May 31, 2024 |
C000001668 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Kentucky Municipal Bond Fund |
Class Name | Class A Shares |
Trading Symbol | FKYTX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class A Shares of the Nuveen Kentucky Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class A Shares $79 0.79% |
Expenses Paid, Amount | $ 79 |
Expense Ratio, Percent | 0.79% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Kentucky Municipal Bond Fund returned 2.74% for Class A shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund underperformed the S&P Municipal Bond Kentucky Index, which returned 3.23%. • Top detractors from relative performance » Sector allocation, particularly an underweight exposure to the industrial development revenue (IDR) sector, which outperformed, and an overweight exposure to the dedicated tax sector, which underperformed. » An overweight to the eight to 10-year duration segment, which underperformed. » Allocation to cash, which underperformed. • Top contributors to relative performance » Underweight allocation to zero to eight-year duration bonds, which underperformed, and an overweight allocation to 10-year and longer duration bonds, which outperformed. » Credit ratings allocations, specifically an underweight to the highest credit quality (AAA and AA rated) bonds, which lagged lower rated bonds. » Underweight allocations to the water and sewer sector and appropriation sector, both of which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 2.74 % 0.36 % 1.74 % Class A Shares at maximum sales charge (Offering Price) (1.59 )% (0.50 )% 1.30 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Kentucky Index 3.23 % 1.30 % 2.42 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 238,205,608 |
Holdings Count | Holding | 96 |
Advisory Fees Paid, Amount | $ 1,245,659 |
Investment Company Portfolio Turnover | 21% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 238,205,608 Total number of portfolio holdings 96 Portfolio turnover (%) 21% Total advisory fees paid for the year $ 1,245,659 |
Holdings [Text Block] | (1) (2) |
Exposure Basis Explanation [Text Block] | Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000137705 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Kansas Municipal Bond Fund |
Class Name | Class C Shares |
Trading Symbol | FAFOX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class C Shares of the Nuveen Kansas Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class C Shares $161 1.61% |
Expenses Paid, Amount | $ 161 |
Expense Ratio, Percent | 1.61% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Kansas Municipal Bond Fund returned 2.01% for Class C shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund underperformed the S&P Municipal Bond Kansas Index, which returned 2.35%. • Top detractors from relative performance » Overweight to shorter-maturity bonds, which underperformed. » Overweight to the local general obligation (GO) sector, which underperformed. » Overweight to the utility sector, which underperformed. • Top contributors to relative performance » Overweight to the dedicated tax sector, which outperformed. » Overweight to the health care sector, which outperformed. » Underweight to the transportation sector, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 2.01 % 0.05 % 1.45 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Kansas Index 2.35 % 1.00 % 2.28 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 204,932,402 |
Holdings Count | Holding | 146 |
Advisory Fees Paid, Amount | $ 1,085,168 |
Investment Company Portfolio Turnover | 9% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 204,932,402 Total number of portfolio holdings 146 Portfolio turnover (%) 9% Total advisory fees paid for the year $ 1,085,168 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787. |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787. |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001680 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Ohio Municipal Bond Fund |
Class Name | Class A Shares |
Trading Symbol | FOHTX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class A Shares of the Nuveen Ohio Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class A Shares $78 0.78% |
Expenses Paid, Amount | $ 78 |
Expense Ratio, Percent | 0.78% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Ohio Municipal Bond Fund returned 3.52% for Class A shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Ohio Index, which returned 2.65%. • Top contributors to relative performance » Sector allocation and security selection, largely driven by the Energy Harbor/Vistra Vision equity position, whose share prices increased before and after the merger transaction closed. » Duration positioning, especially an underweight exposure to bonds with two to four-year durations and 12-year and longer durations, which underperformed. • Top detractors from relative performance » Underweight to BB rated bonds, which outperformed, and overweight to AA rated bonds, which underperformed. » Underweight to the life care sector, which performed well. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 3.52 % 1.11 % 2.30 % Class A Shares at maximum sales charge (Offering Price) (0.80 )% 0.24 % 1.87 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Ohio Index 2.65 % 1.34 % 2.76 % Lipper Ohio Municipal Debt Funds Classification Average 2.92 % 0.50 % 1.79 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 563,079,167 |
Holdings Count | Holding | 230 |
Advisory Fees Paid, Amount | $ 2,862,941 |
Investment Company Portfolio Turnover | 14% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 563,079,167 Total number of portfolio holdings 230 Portfolio turnover (%) 14% Total advisory fees paid for the year $ 2,862,941 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000137709 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Ohio Municipal Bond Fund |
Class Name | Class C Shares |
Trading Symbol | FAFMX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class C Shares of the Nuveen Ohio Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class C Shares $158 1.58% |
Expenses Paid, Amount | $ 158 |
Expense Ratio, Percent | 1.58% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Ohio Municipal Bond Fund returned 2.72% for Class C shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund performed in line with the S&P Municipal Bond Ohio Index, which returned 2.65%. • Top contributors to relative performance » Sector allocation and security selection, largely driven by the Energy Harbor/Vistra Vision equity position, whose share prices increased before and after the merger transaction closed. » Duration positioning, especially an underweight exposure to bonds with two to four-year durations and 12-year and longer durations, which underperformed. • Top detractors from relative performance » Underweight to BB rated bonds, which outperformed, and overweight to AA rated bonds, which underperformed. » Underweight to the life care sector, which performed well. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 2.72 % 0.29 % 1.64 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Ohio Index 2.65 % 1.34 % 2.76 % Lipper Ohio Municipal Debt Funds Classification Average 2.92 % 0.50 % 1.79 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 563,079,167 |
Holdings Count | Holding | 230 |
Advisory Fees Paid, Amount | $ 2,862,941 |
Investment Company Portfolio Turnover | 14% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 563,079,167 Total number of portfolio holdings 230 Portfolio turnover (%) 14% Total advisory fees paid for the year $ 2,862,941 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001672 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Michigan Municipal Bond Fund |
Class Name | Class A Shares |
Trading Symbol | FMITX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class A Shares of the Nuveen Michigan Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class A Shares $83 0.83% |
Expenses Paid, Amount | $ 83 |
Expense Ratio, Percent | 0.83% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Michigan Municipal Bond Fund returned 2.50% for Class A shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund underperformed the S&P Municipal Bond Michigan Index, which returned 2.85%. • Top detractors from relative performance » Sector allocations, primarily overweight exposures to the local general obligation (GO) and other utility sectors, which underperformed. » Overweight allocation to bonds with durations of 12 years and longer, which underperformed. » Underweight to BB rated bonds, which outperformed. • Top contributors to relative performance » Security selection, where a diverse range of credits performed well. » Duration positioning, especially an overweight to bonds with 10 to 12-year durations, which outperformed, and an underweight to bonds with two to four-year durations, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 2.50 % 0.23 % 1.88 % Class A Shares at maximum sales charge (Offering Price) (1.79 )% (0.62 )% 1.44 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Michigan Index 2.85 % 1.17 % 2.62 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 222,016,449 |
Holdings Count | Holding | 121 |
Advisory Fees Paid, Amount | $ 1,250,494 |
Investment Company Portfolio Turnover | 21% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 222,016,449 Total number of portfolio holdings 121 Portfolio turnover (%) 21% Total advisory fees paid for the year $ 1,250,494 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001675 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Michigan Municipal Bond Fund |
Class Name | Class I Shares |
Trading Symbol | NMMIX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class I Shares of the Nuveen Michigan Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class I Shares $63 0.63% |
Expenses Paid, Amount | $ 63 |
Expense Ratio, Percent | 0.63% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Michigan Municipal Bond Fund returned 2.60% for Class I shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund performed in line with the S&P Municipal Bond Michigan Index, which returned 2.85%. • Top detractors from relative performance » Sector allocations, primarily overweight exposures to the local general obligation (GO) and other utility sectors, which underperformed. » Overweight allocation to bonds with durations of 12 years and longer, which underperformed. » Underweight to BB rated bonds, which outperformed. • Top contributors to relative performance » Security selection, where a diverse range of credits performed well. » Duration positioning, especially an overweight to bonds with 10 to 12-year durations, which outperformed, and an underweight to bonds with two to four-year durations, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 2.60 % 0.44 % 2.08 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Michigan Index 2.85 % 1.17 % 2.62 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 222,016,449 |
Holdings Count | Holding | 121 |
Advisory Fees Paid, Amount | $ 1,250,494 |
Investment Company Portfolio Turnover | 21% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 222,016,449 Total number of portfolio holdings 121 Portfolio turnover (%) 21% Total advisory fees paid for the year $ 1,250,494 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001684 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Wisconsin Municipal Bond Fund |
Class Name | Class A Shares |
Trading Symbol | FWIAX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class A Shares of the Nuveen Wisconsin Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class A Shares $89 0.89% |
Expenses Paid, Amount | $ 89 |
Expense Ratio, Percent | 0.89% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Wisconsin Municipal Bond Fund returned 5.97% for Class A shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Wisconsin Index, which returned 3.84%. • Top contributors to relative performance » Overweight exposure to longer-maturity bonds, which outperformed as the yield curve flattened. » Overweight exposure to non-rated bonds, which benefited from contracting spreads. » Overweight exposure to the health care sector, which outperformed. • Top detractors from relative performance » Overweight to appropriation-backed bonds, which lagged. » Overweight to the multi-family housing sector, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 5.97 % 1.37 % 2.50 % Class A Shares at maximum sales charge (Offering Price) 1.56 % 0.51 % 2.06 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Wisconsin Index 3.84 % 0.94 % 2.23 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 72,817,069 |
Holdings Count | Holding | 70 |
Advisory Fees Paid, Amount | $ 401,831 |
Investment Company Portfolio Turnover | 13% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 72,817,069 Total number of portfolio holdings 70 Portfolio turnover (%) 13% Total advisory fees paid for the year $ 401,831 |
Holdings [Text Block] | (1) (2) |
Exposure Basis Explanation [Text Block] | Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: • Fee waiver/reimbursement: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: • Fee waiver/reimbursement: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001687 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Wisconsin Municipal Bond Fund |
Class Name | Class I Shares |
Trading Symbol | FWIRX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class I Shares of the Nuveen Wisconsin Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class I Shares $69 0.69% |
Expenses Paid, Amount | $ 69 |
Expense Ratio, Percent | 0.69% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Wisconsin Municipal Bond Fund returned 6.16% for Class I shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Wisconsin Index, which returned 3.84%. • Top contributors to relative performance » Overweight exposure to longer-maturity bonds, which outperformed as the yield curve flattened. » Overweight exposure to non-rated bonds, which benefited from contracting spreads. » Overweight exposure to the health care sector, which outperformed. • Top detractors from relative performance » Overweight to appropriation-backed bonds, which lagged. » Overweight to the multi-family housing sector, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 6.16 % 1.56 % 2.70 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Wisconsin Index 3.84 % 0.94 % 2.23 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 72,817,069 |
Holdings Count | Holding | 70 |
Advisory Fees Paid, Amount | $ 401,831 |
Investment Company Portfolio Turnover | 13% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 72,817,069 Total number of portfolio holdings 70 Portfolio turnover (%) 13% Total advisory fees paid for the year $ 401,831 |
Holdings [Text Block] | (1) (2) |
Exposure Basis Explanation [Text Block] | Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: • Fee waiver/reimbursement: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: • Fee waiver/reimbursement: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001671 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Kentucky Municipal Bond Fund |
Class Name | Class I Shares |
Trading Symbol | FKYRX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class I Shares of the Nuveen Kentucky Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class I Shares $59 0.59% |
Expenses Paid, Amount | $ 59 |
Expense Ratio, Percent | 0.59% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Kentucky Municipal Bond Fund returned 2.94% for Class I shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund underperformed the S&P Municipal Bond Kentucky Index, which returned 3.23%. • Top detractors from relative performance » Sector allocation, particularly an underweight exposure to the industrial development revenue (IDR) sector, which outperformed, and an overweight exposure to the dedicated tax sector, which underperformed. » An overweight to the eight to 10-year duration segment, which underperformed. » Allocation to cash, which underperformed. • Top contributors to relative performance » Underweight allocation to zero to eight-year duration bonds, which underperformed, and an overweight allocation to 10-year and longer duration bonds, which outperformed. » Credit ratings allocations, specifically an underweight to the highest credit quality (AAA and AA rated) bonds, which lagged lower rated bonds. » Underweight allocations to the water and sewer sector and appropriation sector, both of which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 2.94 % 0.55 % 1.94 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Kentucky Index 3.23 % 1.30 % 2.42 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 238,205,608 |
Holdings Count | Holding | 96 |
Advisory Fees Paid, Amount | $ 1,245,659 |
Investment Company Portfolio Turnover | 21% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 238,205,608 Total number of portfolio holdings 96 Portfolio turnover (%) 21% Total advisory fees paid for the year $ 1,245,659 |
Holdings [Text Block] | (1) (2) |
Exposure Basis Explanation [Text Block] | Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001676 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Missouri Municipal Bond Fund |
Class Name | Class A Shares |
Trading Symbol | FMOTX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class A Shares of the Nuveen Missouri Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class A Shares $78 0.78% |
Expenses Paid, Amount | $ 78 |
Expense Ratio, Percent | 0.78% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Missouri Municipal Bond Fund returned 3.60% for Class A shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Missouri Index, which returned 2.87%. • Top contributors to relative performance » Duration positioning, especially an underweight to bonds with six year and shorter durations and an overweight to bonds with eight years and longer durations, which benefited from the yield curve flattening. » Sector allocation, primarily an overweight to the incremental tax sector and underweights to the single-family housing and other revenue sectors. » Security selection across a diverse group of holdings. • Top detractors from relative performance » There were no material detractors in this reporting period. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 3.60 % 0.90 % 2.30 % Class A Shares at maximum sales charge (Offering Price) (0.71 )% 0.04 % 1.86 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Missouri Index 2.87 % 1.09 % 2.30 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 508,212,429 |
Holdings Count | Holding | 250 |
Advisory Fees Paid, Amount | $ 2,585,170 |
Investment Company Portfolio Turnover | 20% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 508,212,429 Total number of portfolio holdings 250 Portfolio turnover (%) 20% Total advisory fees paid for the year $ 2,585,170 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager updates: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000137710 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Wisconsin Municipal Bond Fund |
Class Name | Class C Shares |
Trading Symbol | FWCCX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class C Shares of the Nuveen Wisconsin Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class C Shares $169 1.69% |
Expenses Paid, Amount | $ 169 |
Expense Ratio, Percent | 1.69% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Wisconsin Municipal Bond Fund returned 5.13% for Class C shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Wisconsin Index, which returned 3.84%. • Top contributors to relative performance » Overweight exposure to longer-maturity bonds, which outperformed as the yield curve flattened. » Overweight exposure to non-rated bonds, which benefited from contracting spreads. » Overweight exposure to the health care sector, which outperformed. • Top detractors from relative performance » Overweight to appropriation-backed bonds, which lagged. » Overweight to the multi-family housing sector, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 5.13 % 0.57 % 1.84 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Wisconsin Index 3.84 % 0.94 % 2.23 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 72,817,069 |
Holdings Count | Holding | 70 |
Advisory Fees Paid, Amount | $ 401,831 |
Investment Company Portfolio Turnover | 13% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 72,817,069 Total number of portfolio holdings 70 Portfolio turnover (%) 13% Total advisory fees paid for the year $ 401,831 |
Holdings [Text Block] | (1) (2) |
Exposure Basis Explanation [Text Block] | Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: • Fee waiver/reimbursement: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: • Fee waiver/reimbursement: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001664 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Kansas Municipal Bond Fund |
Class Name | Class A Shares |
Trading Symbol | FKSTX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class A Shares of the Nuveen Kansas Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class A Shares $81 0.81% |
Expenses Paid, Amount | $ 81 |
Expense Ratio, Percent | 0.81% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Kansas Municipal Bond Fund returned 2.81% for Class A shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Kansas Index, which returned 2.35%. • Top contributors to relative performance » Overweight to the dedicated tax sector, which outperformed. » Overweight to the health care sector, which outperformed. » Underweight to the transportation sector, which underperformed. • Top detractors from relative performance » Overweight to shorter-maturity bonds, which underperformed. » Overweight to the local general obligation (GO) sector, which underperformed. » Overweight to the utility sector, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class A Shares at NAV (excluding maximum sales charge) 2.81 % 0.87 % 2.10 % Class A Shares at maximum sales charge (Offering Price) (1.47 )% 0.01 % 1.66 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Kansas Index 2.35 % 1.00 % 2.28 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 204,932,402 |
Holdings Count | Holding | 146 |
Advisory Fees Paid, Amount | $ 1,085,168 |
Investment Company Portfolio Turnover | 9% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 204,932,402 Total number of portfolio holdings 146 Portfolio turnover (%) 9% Total advisory fees paid for the year $ 1,085,168 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001683 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Ohio Municipal Bond Fund |
Class Name | Class I Shares |
Trading Symbol | NXOHX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class I Shares of the Nuveen Ohio Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class I Shares $58 0.58% |
Expenses Paid, Amount | $ 58 |
Expense Ratio, Percent | 0.58% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Ohio Municipal Bond Fund returned 3.73% for Class I shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Ohio Index, which returned 2.65%. • Top contributors to relative performance » Sector allocation and security selection, largely driven by the Energy Harbor/Vistra Vision equity position, whose share prices increased before and after the merger transaction closed. » Duration positioning, especially an underweight exposure to bonds with two to four-year durations and 12-year and longer durations, which underperformed. • Top detractors from relative performance » Underweight to BB rated bonds, which outperformed, and overweight to AA rated bonds, which underperformed. » Underweight to the life care sector, which performed well. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 3.73 % 1.31 % 2.50 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Ohio Index 2.65 % 1.34 % 2.76 % Lipper Ohio Municipal Debt Funds Classification Average 2.92 % 0.50 % 1.79 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 563,079,167 |
Holdings Count | Holding | 230 |
Advisory Fees Paid, Amount | $ 2,862,941 |
Investment Company Portfolio Turnover | 14% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 563,079,167 Total number of portfolio holdings 230 Portfolio turnover (%) 14% Total advisory fees paid for the year $ 2,862,941 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000137707 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Michigan Municipal Bond Fund |
Class Name | Class C Shares |
Trading Symbol | FAFNX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class C Shares of the Nuveen Michigan Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class C Shares $163 1.63% |
Expenses Paid, Amount | $ 163 |
Expense Ratio, Percent | 1.63% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Michigan Municipal Bond Fund returned 1.57% for Class C shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund underperformed the S&P Municipal Bond Michigan Index, which returned 2.85%. • Top detractors from relative performance » Sector allocations, primarily overweight exposures to the local general obligation (GO) and other utility sectors, which underperformed. » Overweight allocation to bonds with durations of 12 years and longer, which underperformed. » Underweight to BB rated bonds, which outperformed. • Top contributors to relative performance » Security selection, where a diverse range of credits performed well. » Duration positioning, especially an overweight to bonds with 10 to 12-year durations, which outperformed, and an underweight to bonds with two to four-year durations, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 1.57 % (0.58 )% 1.23 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Michigan Index 2.85 % 1.17 % 2.62 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 222,016,449 |
Holdings Count | Holding | 121 |
Advisory Fees Paid, Amount | $ 1,250,494 |
Investment Company Portfolio Turnover | 21% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 222,016,449 Total number of portfolio holdings 121 Portfolio turnover (%) 21% Total advisory fees paid for the year $ 1,250,494 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001679 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Missouri Municipal Bond Fund |
Class Name | Class I Shares |
Trading Symbol | FMMRX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class I Shares of the Nuveen Missouri Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class I Shares $58 0.58% |
Expenses Paid, Amount | $ 58 |
Expense Ratio, Percent | 0.58% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Missouri Municipal Bond Fund returned 3.69% for Class I shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Missouri Index, which returned 2.87%. • Top contributors to relative performance » Duration positioning, especially an underweight to bonds with six year and shorter durations and an overweight to bonds with eight years and longer durations, which benefited from the yield curve flattening. » Sector allocation, primarily an overweight to the incremental tax sector and underweights to the single-family housing and other revenue sectors. » Security selection across a diverse group of holdings. • Top detractors from relative performance » There were no material detractors in this reporting period. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 3.69 % 1.08 % 2.50 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Missouri Index 2.87 % 1.09 % 2.30 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 508,212,429 |
Holdings Count | Holding | 250 |
Advisory Fees Paid, Amount | $ 2,585,170 |
Investment Company Portfolio Turnover | 20% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 508,212,429 Total number of portfolio holdings 250 Portfolio turnover (%) 20% Total advisory fees paid for the year $ 2,585,170 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager updates: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000137708 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Missouri Municipal Bond Fund |
Class Name | Class C Shares |
Trading Symbol | FAFPX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class C Shares of the Nuveen Missouri Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class C Shares $158 1.58% |
Expenses Paid, Amount | $ 158 |
Expense Ratio, Percent | 1.58% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Missouri Municipal Bond Fund returned 2.76% for Class C shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund performed in line with the S&P Municipal Bond Missouri Index, which returned 2.87%. • Top contributors to relative performance » Duration positioning, especially an underweight to bonds with six year and shorter durations and an overweight to bonds with eight years and longer durations, which benefited from the yield curve flattening. » Sector allocation, primarily an overweight to the incremental tax sector and underweights to the single-family housing and other revenue sectors. » Security selection across a diverse group of holdings. • Top detractors from relative performance » There were no material detractors in this reporting period. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 2.76 % 0.08 % 1.64 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Missouri Index 2.87 % 1.09 % 2.30 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 508,212,429 |
Holdings Count | Holding | 250 |
Advisory Fees Paid, Amount | $ 2,585,170 |
Investment Company Portfolio Turnover | 20% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 508,212,429 Total number of portfolio holdings 250 Portfolio turnover (%) 20% Total advisory fees paid for the year $ 2,585,170 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager updates: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000001667 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Kansas Municipal Bond Fund |
Class Name | Class I Shares |
Trading Symbol | FRKSX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class I Shares of the Nuveen Kansas Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class I Shares $61 0.61% |
Expenses Paid, Amount | $ 61 |
Expense Ratio, Percent | 0.61% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Kansas Municipal Bond Fund returned 2.95% for Class I shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund outperformed the S&P Municipal Bond Kansas Index, which returned 2.35%. • Top contributors to relative performance » Overweight to the dedicated tax sector, which outperformed. » Overweight to the health care sector, which outperformed. » Underweight to the transportation sector, which underperformed. • Top detractors from relative performance » Overweight to shorter-maturity bonds, which underperformed. » Overweight to the local general obligation (GO) sector, which underperformed. » Overweight to the utility sector, which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class I Shares at NAV 2.95 % 1.06 % 2.29 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Kansas Index 2.35 % 1.00 % 2.28 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 204,932,402 |
Holdings Count | Holding | 146 |
Advisory Fees Paid, Amount | $ 1,085,168 |
Investment Company Portfolio Turnover | 9% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 204,932,402 Total number of portfolio holdings 146 Portfolio turnover (%) 9% Total advisory fees paid for the year $ 1,085,168 |
Holdings [Text Block] | (1) |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787. |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787. |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
C000137706 [Member] | |
Shareholder Report [Line Items] | |
Fund Name | Nuveen Kentucky Municipal Bond Fund |
Class Name | Class C Shares |
Trading Symbol | FKCCX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Class C Shares of the Nuveen Kentucky Municipal Bond Fund for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. |
Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
Additional Information Phone Number | (800) 257‑8787 |
Additional Information Website | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Expenses [Text Block] | What were the Fund costs for the last year? (based on a hypothetical $10,000 investment) Cost of a Costs paid as a percentage of Class C Shares $159 1.59% |
Expenses Paid, Amount | $ 159 |
Expense Ratio, Percent | 1.59% |
Factors Affecting Performance [Text Block] | How did the Fund perform last year? What affected the Fund’s performance? Performance Highlights • The Nuveen Kentucky Municipal Bond Fund returned 1.93% for Class C shares at net asset value (NAV) for the 12 months ended May 31, 2024. The Fund underperformed the S&P Municipal Bond Kentucky Index, which returned 3.23%. • Top detractors from relative performance » Sector allocation, particularly an underweight exposure to the industrial development revenue (IDR) sector, which outperformed, and an overweight exposure to the dedicated tax sector, which underperformed. » An overweight to the eight to 10-year duration segment, which underperformed. » Allocation to cash, which underperformed. • Top contributors to relative performance » Underweight allocation to zero to eight-year duration bonds, which underperformed, and an overweight allocation to 10-year and longer duration bonds, which outperformed. » Credit ratings allocations, specifically an underweight to the highest credit quality (AAA and AA rated) bonds, which lagged lower rated bonds. » Underweight allocations to the water and sewer sector and appropriation sector, both of which underperformed. Performance Attribution |
Performance Past Does Not Indicate Future [Text] | Performance data shown represents past performance and does not predict or guarantee future results. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns 1‑Year 5‑Year 10‑Year Class C Shares at NAV (excluding maximum sales charge) 1.93 % (0.46 )% 1.09 % S&P Municipal Bond Index 2.88 % 1.06 % 2.30 % S&P Municipal Bond Kentucky Index 3.23 % 1.30 % 2.42 % Lipper Other States Municipal Debt Funds Classification Average 2.59 % 0.29 % 1.56 % |
No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. |
Updated Performance Information Location [Text Block] | For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. |
Net Assets | $ 238,205,608 |
Holdings Count | Holding | 96 |
Advisory Fees Paid, Amount | $ 1,245,659 |
Investment Company Portfolio Turnover | 21% |
Additional Fund Statistics [Text Block] | Fund Statistics (as of May 31, 2024) Fund net assets $ 238,205,608 Total number of portfolio holdings 96 Portfolio turnover (%) 21% Total advisory fees paid for the year $ 1,245,659 |
Holdings [Text Block] | (1) (2) |
Exposure Basis Explanation [Text Block] | Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Credit Ratings Selection [Text Block] | The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. |
Material Fund Change [Text Block] | How has the Fund changed? • Portfolio manager update: • Management fees: For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Material Fund Change Expenses [Text Block] | • Management fees: |
Summary of Change Legend [Text Block] | For more complete information, you may review the Fund’s next prospectus, which is expected to be available by October 1, 2024 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Updated Prospectus Phone Number | (800) 257‑8787 |
Updated Prospectus Web Address | https://www.nuveen.com/en‑us/mutual‑funds/prospectuses |
Shareholder Report, Line Graph
Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | 60 Months Ended | 120 Months Ended | ||||||||||
May 31, 2024 | May 31, 2024 | May 31, 2024 | May 31, 2023 | May 31, 2022 | May 31, 2021 | May 31, 2020 | May 31, 2019 | May 31, 2018 | May 31, 2017 | May 31, 2016 | May 31, 2015 | Jun. 01, 2014 | |
C000001668 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at maximum sales charge (Offering Price) | ||||||||||||
Account Value | $ 11,381 | $ 11,381 | $ 11,381 | $ 11,077 | $ 11,240 | $ 12,118 | $ 11,462 | $ 11,176 | $ 10,569 | $ 10,509 | $ 10,411 | $ 9,910 | $ 9,578 |
Average Annual Return, Percent | (1.59%) | (0.50%) | 1.30% | ||||||||||
C000001668 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,883 | $ 11,883 | $ 11,883 | 11,565 | 11,735 | 12,653 | 11,967 | 11,669 | 11,035 | 10,972 | 10,871 | 10,347 | 10,000 |
Average Annual Return, Percent | 2.74% | 0.36% | 1.74% | ||||||||||
C000137705 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,548 | $ 11,548 | $ 11,548 | 11,231 | 11,252 | 11,904 | 11,317 | 11,327 | 10,877 | 10,784 | 10,855 | 10,375 | 10,000 |
Average Annual Return, Percent | 2.01% | 0.05% | 1.45% | ||||||||||
C000001680 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at maximum sales charge (Offering Price) | ||||||||||||
Account Value | $ 12,033 | $ 12,033 | $ 12,033 | 11,624 | 11,665 | 12,326 | 11,999 | 11,389 | 10,761 | 10,663 | 10,618 | 9,952 | 9,584 |
Average Annual Return, Percent | (0.80%) | 0.24% | 1.87% | ||||||||||
C000001680 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 12,556 | $ 12,556 | $ 12,556 | 12,129 | 12,172 | 12,861 | 12,520 | 11,884 | 11,229 | 11,126 | 11,079 | 10,384 | 10,000 |
Average Annual Return, Percent | 3.52% | 1.11% | 2.30% | ||||||||||
C000137709 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,769 | $ 11,769 | $ 11,769 | 11,369 | 11,410 | 12,169 | 11,931 | 11,414 | 10,868 | 10,854 | 10,904 | 10,306 | 10,000 |
Average Annual Return, Percent | 2.72% | 0.29% | 1.64% | ||||||||||
C000001672 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at maximum sales charge (Offering Price) | ||||||||||||
Account Value | $ 11,538 | $ 11,538 | $ 11,538 | 11,257 | 11,412 | 12,380 | 11,937 | 11,405 | 10,812 | 10,712 | 10,615 | 9,988 | 9,579 |
Average Annual Return, Percent | (1.79%) | (0.62%) | 1.44% | ||||||||||
C000001672 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 12,046 | $ 12,046 | $ 12,046 | 11,752 | 11,914 | 12,925 | 12,462 | 11,907 | 11,288 | 11,183 | 11,082 | 10,428 | 10,000 |
Average Annual Return, Percent | 2.50% | 0.23% | 1.88% | ||||||||||
C000001675 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class I Shares at NAV | ||||||||||||
Account Value | $ 12,289 | $ 12,289 | $ 12,289 | 11,977 | 12,114 | 13,105 | 12,609 | 12,023 | 11,373 | 11,253 | 11,128 | 10,449 | 10,000 |
Average Annual Return, Percent | 2.60% | 0.44% | 2.08% | ||||||||||
C000001684 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at maximum sales charge (Offering Price) | ||||||||||||
Account Value | $ 12,262 | $ 12,262 | $ 12,262 | 11,571 | 11,840 | 12,425 | 11,675 | 11,453 | 10,775 | 10,556 | 10,613 | 10,031 | 9,578 |
Average Annual Return, Percent | 1.56% | 0.51% | 2.06% | ||||||||||
C000001684 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 12,801 | $ 12,801 | $ 12,801 | 12,081 | 12,361 | 12,972 | 12,189 | 11,957 | 11,249 | 11,020 | 11,080 | 10,472 | 10,000 |
Average Annual Return, Percent | 5.97% | 1.37% | 2.50% | ||||||||||
C000001687 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class I Shares at NAV | ||||||||||||
Account Value | $ 13,047 | $ 13,047 | $ 13,047 | 12,290 | 12,547 | 13,149 | 12,321 | 12,076 | 11,336 | 11,091 | 11,126 | 10,494 | 10,000 |
Average Annual Return, Percent | 6.16% | 1.56% | 2.70% | ||||||||||
C000001671 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class I Shares at NAV | ||||||||||||
Account Value | $ 12,116 | $ 12,116 | $ 12,116 | 11,771 | 11,929 | 12,834 | 12,114 | 11,787 | 11,132 | 11,044 | 10,908 | 10,369 | 10,000 |
Average Annual Return, Percent | 2.94% | 0.55% | 1.94% | ||||||||||
C000001676 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at maximum sales charge (Offering Price) | ||||||||||||
Account Value | $ 12,022 | $ 12,022 | $ 12,022 | 11,604 | 11,692 | 12,466 | 11,842 | 11,497 | 10,877 | 10,702 | 10,549 | 9,911 | 9,578 |
Average Annual Return, Percent | (0.71%) | 0.04% | 1.86% | ||||||||||
C000001676 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 12,552 | $ 12,552 | $ 12,552 | 12,116 | 12,207 | 13,016 | 12,364 | 12,004 | 11,357 | 11,174 | 11,015 | 10,348 | 10,000 |
Average Annual Return, Percent | 3.60% | 0.90% | 2.30% | ||||||||||
C000137710 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 12,005 | $ 12,005 | $ 12,005 | 11,329 | 11,592 | 12,263 | 11,614 | 11,486 | 10,893 | 10,756 | 10,900 | 10,391 | 10,000 |
Average Annual Return, Percent | 5.13% | 0.57% | 1.84% | ||||||||||
C000001664 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at maximum sales charge (Offering Price) | ||||||||||||
Account Value | $ 12,311 | $ 12,311 | $ 12,311 | 11,974 | 11,996 | 12,584 | 11,882 | 11,788 | 11,231 | 11,047 | 11,030 | 10,464 | 10,000 |
Average Annual Return, Percent | (1.47%) | 0.01% | 1.66% | ||||||||||
C000001664 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,789 | $ 11,789 | $ 11,789 | 11,467 | 11,488 | 12,052 | 11,379 | 11,289 | 10,756 | 10,580 | 10,563 | 10,021 | 9,577 |
Average Annual Return, Percent | 2.81% | 0.87% | 2.10% | ||||||||||
C000001683 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class I Shares at NAV | ||||||||||||
Account Value | $ 12,807 | $ 12,807 | $ 12,807 | 12,346 | 12,355 | 13,042 | 12,669 | 11,999 | 11,306 | 11,190 | 11,128 | 10,407 | 10,000 |
Average Annual Return, Percent | 3.73% | 1.31% | 2.50% | ||||||||||
C000137707 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,301 | $ 11,301 | $ 11,301 | 11,025 | 11,177 | 12,217 | 11,873 | 11,434 | 10,924 | 10,918 | 10,906 | 10,349 | 10,000 |
Average Annual Return, Percent | 1.57% | (0.58%) | 1.23% | ||||||||||
C000001679 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class I Shares at NAV | ||||||||||||
Account Value | $ 12,805 | $ 12,805 | $ 12,805 | 12,350 | 12,417 | 13,201 | 12,524 | 12,133 | 11,454 | 11,245 | 11,062 | 10,379 | 10,000 |
Average Annual Return, Percent | 3.69% | 1.08% | 2.50% | ||||||||||
C000137708 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,767 | $ 11,767 | $ 11,767 | 11,358 | 11,444 | 12,297 | 11,773 | 11,533 | 10,988 | 10,897 | 10,836 | 10,259 | 10,000 |
Average Annual Return, Percent | 2.76% | 0.08% | 1.64% | ||||||||||
C000001667 [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class I Shares at NAV | ||||||||||||
Account Value | $ 12,545 | $ 12,545 | $ 12,545 | 12,185 | 12,190 | 12,757 | 12,021 | 11,900 | 11,314 | 11,105 | 11,073 | 10,484 | 10,000 |
Average Annual Return, Percent | 2.95% | 1.06% | 2.29% | ||||||||||
C000137706 [Member] | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C Shares at NAV (excluding maximum sales charge) | ||||||||||||
Account Value | $ 11,147 | $ 11,147 | $ 11,147 | 10,850 | 11,009 | 11,967 | 11,411 | 11,216 | 10,691 | 10,713 | 10,691 | 10,257 | 10,000 |
Average Annual Return, Percent | 1.93% | (0.46%) | 1.09% | ||||||||||
S And P Municipal Bond Kentucky Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Kentucky Index | ||||||||||||
Account Value | $ 12,706 | $ 12,706 | $ 12,706 | 12,309 | 12,293 | 12,985 | 12,263 | 11,914 | 11,214 | 11,090 | 10,914 | 10,353 | 10,000 |
Average Annual Return, Percent | 3.23% | 1.30% | 2.42% | ||||||||||
S And P Municipal Bond Ohio Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Ohio Index | ||||||||||||
Account Value | $ 13,134 | $ 13,134 | $ 13,134 | 12,795 | 12,865 | 13,670 | 13,051 | 12,288 | 11,634 | 11,441 | 11,212 | 10,381 | 10,000 |
Average Annual Return, Percent | 2.65% | 1.34% | 2.76% | ||||||||||
S And P Municipal Bond Michigan Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Michigan Index | ||||||||||||
Account Value | $ 12,949 | $ 12,949 | $ 12,949 | 12,590 | 12,583 | 13,374 | 12,804 | 12,220 | 11,506 | 11,317 | 11,081 | 10,437 | 10,000 |
Average Annual Return, Percent | 2.85% | 1.17% | 2.62% | ||||||||||
S And P Municipal Bond Kanasas Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Kansas Index | ||||||||||||
Account Value | $ 12,526 | $ 12,526 | $ 12,526 | 12,238 | 12,185 | 12,806 | 12,459 | 11,920 | 11,275 | 11,164 | 10,997 | 10,381 | 10,000 |
Average Annual Return, Percent | 2.35% | 1% | 2.28% | ||||||||||
S And P Municipal Bond Wisconsin Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Wisconsin Index | ||||||||||||
Account Value | $ 12,466 | $ 12,466 | $ 12,466 | 12,005 | 12,074 | 12,851 | 12,174 | 11,898 | 11,226 | 11,031 | 10,880 | 10,329 | 10,000 |
Average Annual Return, Percent | 3.84% | 0.94% | 2.23% | ||||||||||
S And P Municipal Bond Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Index | ||||||||||||
Account Value | $ 12,551 | $ 12,551 | $ 12,551 | 12,200 | 12,177 | 12,950 | 12,369 | 11,908 | 11,227 | 11,088 | 10,915 | 10,326 | 10,000 |
Average Annual Return, Percent | 2.88% | 1.06% | 2.30% | ||||||||||
S And P Municipal Bond Missouri Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | S&P Municipal Bond Missouri Index | ||||||||||||
Account Value | $ 12,550 | $ 12,550 | $ 12,550 | $ 12,199 | $ 12,223 | $ 12,921 | $ 12,302 | $ 11,888 | $ 11,232 | $ 11,075 | $ 10,877 | $ 10,307 | $ 10,000 |
Average Annual Return, Percent | 2.87% | 1.09% | 2.30% | ||||||||||
Lipper Other States Municipal Debt Funds Classification Average [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Lipper Other States Municipal Debt Funds Classification Average | ||||||||||||
Average Annual Return, Percent | 2.59% | 0.29% | 1.56% | ||||||||||
Lipper Ohio Municipal Debt Funds Classification Average [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Lipper Ohio Municipal Debt Funds Classification Average | ||||||||||||
Average Annual Return, Percent | 2.92% | 0.50% | 1.79% |
Shareholder Report, Holdings (D
Shareholder Report, Holdings (Details) | May 31, 2024 | |
C000001668 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 1.10% | [1],[2] |
C000001668 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 6.20% | [1],[2] |
C000001668 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | [2] |
C000137705 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.50% | [3] |
C000137705 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 7.80% | [3] |
C000137705 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.20% | [3] |
C000137705 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 96.80% | |
C000137705 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.20% | |
C000001680 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 1.10% | [4] |
C000001680 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 7.60% | [4] |
C000001680 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.50% | [4] |
C000001680 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 95.50% | |
C000001680 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.50% | |
C000137709 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 1.10% | [5] |
C000137709 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 7.60% | [5] |
C000137709 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.50% | [5] |
C000137709 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 95.50% | |
C000137709 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.50% | |
C000001672 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 0.20% | [6] |
C000001672 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.90% | [6] |
C000001672 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | |
C000001675 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 0.20% | [7] |
C000001675 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.90% | [7] |
C000001675 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | |
C000001684 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 17.50% | [8],[9] |
C000001684 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.10% | [8],[9] |
C000001684 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 90.90% | [9] |
C000001684 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.10% | [9] |
C000001687 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 17.50% | [10],[11] |
C000001687 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.10% | [10],[11] |
C000001687 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 90.90% | [11] |
C000001687 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.10% | [11] |
C000001671 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 1.10% | [12],[13] |
C000001671 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 6.20% | [12],[13] |
C000001671 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | [13] |
C000001676 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.10% | [14] |
C000001676 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 8.40% | [14] |
C000001676 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | |
C000137710 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 17.50% | [15],[16] |
C000137710 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.10% | [15],[16] |
C000137710 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 90.90% | [16] |
C000137710 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.10% | [16] |
C000001664 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.50% | [17] |
C000001664 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 7.80% | [17] |
C000001664 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.20% | [17] |
C000001664 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 96.80% | |
C000001664 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.20% | |
C000001683 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 1.10% | [18] |
C000001683 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 7.60% | [18] |
C000001683 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.50% | [18] |
C000001683 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 95.50% | |
C000001683 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.50% | |
C000137707 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 0.20% | [19] |
C000137707 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 4.90% | [19] |
C000137707 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | |
C000001679 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.10% | [20] |
C000001679 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 8.40% | [20] |
C000001679 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | |
C000137708 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.10% | [21] |
C000137708 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 8.40% | [21] |
C000137708 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | |
C000001667 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 9.50% | [22] |
C000001667 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 7.80% | [22] |
C000001667 [Member] | N A not applicable [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.20% | [22] |
C000001667 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 96.80% | |
C000001667 [Member] | Common Stock [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 3.20% | |
C000137706 [Member] | BB Or Lower [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 1.10% | [23],[24] |
C000137706 [Member] | N R not rated [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 6.20% | [23],[24] |
C000137706 [Member] | Municipal Bonds [Member] | ||
Holdings [Line Items] | ||
Percent of Total Investments | 100% | [24] |
[1]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[2]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[3]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[4]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[5]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[6]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[7]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[8]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[9]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[10]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[11]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[12]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[13]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[14]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[15]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[16]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[17]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[18]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[19]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[20]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[21]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[22]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[23]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[24]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |
Uncategorized Items - d802604dn
Label | Element | Value | |
C000137710 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 19.70% | [1],[2] |
C000137710 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 2.60% | [1],[2] |
C000137710 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 30.90% | [1],[2] |
C000137710 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 20.20% | [1],[2] |
C000001679 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 5.70% | [3] |
C000001679 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 8.50% | [3] |
C000001679 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 47.80% | [3] |
C000001679 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 26.50% | [3] |
C000137706 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 6.90% | [4],[5] |
C000137706 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 5.20% | [4],[5] |
C000137706 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 43.40% | [4],[5] |
C000137706 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 37.20% | [4],[5] |
C000001671 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 6.90% | [6],[7] |
C000001671 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 5.20% | [6],[7] |
C000001671 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 43.40% | [6],[7] |
C000001671 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 37.20% | [6],[7] |
C000001667 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 12.50% | [8] |
C000001667 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 13.60% | [8] |
C000001667 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 39.50% | [8] |
C000001667 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 13.90% | [8] |
C000001672 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 1.20% | [9] |
C000001672 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 3.40% | [9] |
C000001672 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 75.20% | [9] |
C000001672 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 15.10% | [9] |
C000001675 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 1.20% | [10] |
C000001675 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 3.40% | [10] |
C000001675 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 75.20% | [10] |
C000001675 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 15.10% | [10] |
C000137709 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 3.70% | [11] |
C000137709 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 24.30% | [11] |
C000137709 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 49.70% | [11] |
C000137709 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 9.10% | [11] |
C000001683 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 3.70% | [12] |
C000001683 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 24.30% | [12] |
C000001683 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 49.70% | [12] |
C000001683 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 9.10% | [12] |
C000001684 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 19.70% | [13],[14] |
C000001684 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 2.60% | [13],[14] |
C000001684 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 30.90% | [13],[14] |
C000001684 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 20.20% | [13],[14] |
C000001676 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 5.70% | [15] |
C000001676 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 8.50% | [15] |
C000001676 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 47.80% | [15] |
C000001676 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 26.50% | [15] |
C000001687 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 19.70% | [16],[17] |
C000001687 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 2.60% | [16],[17] |
C000001687 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 30.90% | [16],[17] |
C000001687 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 20.20% | [16],[17] |
C000137707 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 1.20% | [18] |
C000137707 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 3.40% | [18] |
C000137707 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 75.20% | [18] |
C000137707 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 15.10% | [18] |
C000001664 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 12.50% | [19] |
C000001664 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 13.60% | [19] |
C000001664 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 39.50% | [19] |
C000001664 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 13.90% | [19] |
C000137708 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 5.70% | [20] |
C000137708 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 8.50% | [20] |
C000137708 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 47.80% | [20] |
C000137708 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 26.50% | [20] |
C000137705 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 12.50% | [21] |
C000137705 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 13.60% | [21] |
C000137705 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 39.50% | [21] |
C000137705 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 13.90% | [21] |
C000001680 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 3.70% | [22] |
C000001680 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 24.30% | [22] |
C000001680 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 49.70% | [22] |
C000001680 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 9.10% | [22] |
C000001668 [Member] | Standard & Poor's, BBB Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 6.90% | [23],[24] |
C000001668 [Member] | Standard & Poor's, AAA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 5.20% | [23],[24] |
C000001668 [Member] | Standard & Poor's, AA Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 43.40% | [23],[24] |
C000001668 [Member] | Standard & Poor's, A Rating [Member] | |||
Percent of Total Investments | oef_PctOfTotalInv | 37.20% | [23],[24] |
[1]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[2]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[3]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[4]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[5]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[6]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[7]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[8]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[9]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[10]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[11]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[12]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[13]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[14]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[15]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[16]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[17]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities.[18]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[19]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[20]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[21]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[22]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[23]The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard & Poor’s (S&P), Moody’s Investors Service, Inc. (Moody’s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.[24]Total investments include the Fund’s assets attributable to financial leverage. For these purposes, financial leverage includes the Fund’s investments in the residual interest certificates (also called inverse floating rate securities) in tender option bond (TOB) trusts, including the portion of assets held by a TOB trust that has been effectively financed by the trust’s issuance of floating rate securities. |