v3.25.3
Average Annual Total Returns - Allspring Municipal Fixed Income Funds
 12 Months Ended 60 Months Ended 120 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
California Limited-Term Tax-Free Fund | Bloomberg California Municipal 1-5 Year Blend Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.73% 0.96% 1.30%
California Limited-Term Tax-Free Fund | Bloomberg Municipal Bond 1-5 Year Blend Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.86% 1.08% 1.45%
California Limited-Term Tax-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
California Limited-Term Tax-Free Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.08%) 0.21% 0.85%
Performance Inception Date Nov. 18, 1992      
California Limited-Term Tax-Free Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.04%) (0.31%) 0.58%
Performance Inception Date Nov. 18, 1992      
California Limited-Term Tax-Free Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.06%) 0.07% 0.79%
Performance Inception Date Nov. 18, 1992      
California Limited-Term Tax-Free Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   0.11% (0.15%) 0.44%
Performance Inception Date Aug. 30, 2002      
California Limited-Term Tax-Free Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   2.28% 0.92% 1.35%
Performance Inception Date Oct. 31, 2014      
California Tax-Free Fund | Bloomberg California Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.02% 0.96% 2.23%
California Tax-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
California Tax-Free Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (2.40%) (0.45%) 1.30%
Performance Inception Date Oct. 06, 1988      
California Tax-Free Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (3.69%) (1.24%) 0.89%
Performance Inception Date Oct. 06, 1988      
California Tax-Free Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.43%) (0.44%) 1.28%
Performance Inception Date Oct. 06, 1988      
California Tax-Free Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   0.42% (0.29%) 1.16%
Performance Inception Date Jul. 01, 1993      
California Tax-Free Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   2.44% 0.72% 2.04%
Performance Inception Date Oct. 31, 2014      
High Yield Municipal Bond Fund | High Yield Municipal Bond Blended Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.19% 2.02% 3.48%
High Yield Municipal Bond Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
High Yield Municipal Bond Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   5.58% 1.34% 3.31%
Performance Inception Date Jan. 31, 2013      
High Yield Municipal Bond Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   0.64% 0.19% 2.60%
Performance Inception Date Jan. 31, 2013      
High Yield Municipal Bond Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.17%) (0.92%) 1.98%
Performance Inception Date Jan. 31, 2013      
High Yield Municipal Bond Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   0.36% (0.01%) 2.30%
Performance Inception Date Jan. 31, 2013      
High Yield Municipal Bond Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   3.64% 0.36% 2.45%
Performance Inception Date Jan. 31, 2013      
High Yield Municipal Bond Fund | R6        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   5.74% 1.42% 3.36%
Performance Inception Date [2] Jul. 31, 2018      
Intermediate Tax/AMT-Free Fund | Bloomberg Municipal Bond 1-15 Year Blend Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   0.88% 1.08% 2.04%
Intermediate Tax/AMT-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Intermediate Tax/AMT-Free Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.30%) 0.35% 1.39%
Performance Inception Date Jul. 31, 2007      
Intermediate Tax/AMT-Free Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (2.44%) (0.50%) 0.85%
Performance Inception Date Jul. 31, 2007      
Intermediate Tax/AMT-Free Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.78%) 0.00% 1.09%
Performance Inception Date Jul. 31, 2007      
Intermediate Tax/AMT-Free Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.10%) 0.20% 1.09%
Performance Inception Date Jul. 31, 2007      
Intermediate Tax/AMT-Free Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   1.98% 1.22% 1.97%
Performance Inception Date Mar. 31, 2008      
Intermediate Tax/AMT-Free Fund | R6        
Prospectus [Line Items]        
Average Annual Return, Percent [3]   2.03% 1.27% 2.00%
Performance Inception Date [3] Jul. 31, 2018      
Minnesota Tax-Free Fund | Bloomberg Minnesota Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   0.72% 0.77% 1.90%
Minnesota Tax-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Minnesota Tax-Free Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (3.03%) (0.26%) 1.19%
Performance Inception Date Jan. 12, 1988      
Minnesota Tax-Free Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (4.21%) (0.88%) 0.85%
Performance Inception Date Jan. 12, 1988      
Minnesota Tax-Free Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.80%) (0.30%) 1.15%
Performance Inception Date Jan. 12, 1988      
Minnesota Tax-Free Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.20%) (0.05%) 1.06%
Performance Inception Date Apr. 08, 2005      
Minnesota Tax-Free Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent [4]   1.86% 1.00% 1.98%
Performance Inception Date [4] Oct. 31, 2016      
Municipal Bond Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Municipal Bond Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (2.43%) (0.10%) 1.75%
Performance Inception Date Apr. 08, 2005      
Municipal Bond Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (3.63%) (0.81%) 1.35%
Performance Inception Date Apr. 08, 2005      
Municipal Bond Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.45%) (0.19%) 1.61%
Performance Inception Date Apr. 08, 2005      
Municipal Bond Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   0.27% 0.04% 1.61%
Performance Inception Date Apr. 08, 2005      
Municipal Bond Fund | Admin        
Prospectus [Line Items]        
Average Annual Return, Percent   2.18% 0.97% 2.36%
Performance Inception Date Apr. 08, 2005      
Municipal Bond Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   2.46% 1.13% 2.53%
Performance Inception Date Mar. 31, 2008      
Municipal Bond Fund | R6        
Prospectus [Line Items]        
Average Annual Return, Percent [5]   2.51% 1.18% 2.56%
Performance Inception Date [5] Jul. 31, 2018      
Pennsylvania Tax-Free Fund | Bloomberg Pennsylvania Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.31% 1.08% 2.46%
Pennsylvania Tax-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Pennsylvania Tax-Free Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.96%) (0.11%) 1.51%
Performance Inception Date Dec. 27, 1990      
Pennsylvania Tax-Free Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (3.16%) (0.86%) 1.13%
Performance Inception Date Dec. 27, 1990      
Pennsylvania Tax-Free Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.17%) (0.18%) 1.46%
Performance Inception Date Dec. 27, 1990      
Pennsylvania Tax-Free Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   0.91% 0.05% 1.37%
Performance Inception Date Feb. 01, 1993      
Pennsylvania Tax-Free Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   2.94% 1.07% 2.23%
Performance Inception Date Nov. 24, 1997      
Short-Term Municipal Bond Fund | Bloomberg 1-3 Year Composite Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   2.38% 1.23% 1.33%
Short-Term Municipal Bond Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Short-Term Municipal Bond Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   0.78% 0.69% 0.95%
Performance Inception Date Jul. 18, 2008      
Short-Term Municipal Bond Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.19%) 0.20% 0.63%
Performance Inception Date Jul. 18, 2008      
Short-Term Municipal Bond Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   0.46% 0.42% 0.75%
Performance Inception Date Jul. 18, 2008      
Short-Term Municipal Bond Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   1.07% 0.34% 0.55%
Performance Inception Date Jan. 31, 2003      
Short-Term Municipal Bond Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   3.18% 1.33% 1.39%
Performance Inception Date Mar. 31, 2008      
Short-Term Municipal Bond Fund | R6        
Prospectus [Line Items]        
Average Annual Return, Percent [6]   3.13% 1.38% 1.42%
Performance Inception Date [6] Jul. 31, 2018      
Strategic Municipal Bond Fund | Bloomberg Short-Intermediate Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.14% 1.02% 1.70%
Strategic Municipal Bond Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Strategic Municipal Bond Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.31%) 0.27% 1.28%
Performance Inception Date Dec. 01, 1994      
Strategic Municipal Bond Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (2.30%) (0.28%) 0.96%
Performance Inception Date Dec. 01, 1994      
Strategic Municipal Bond Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (0.78%) 0.10% 1.09%
Performance Inception Date Dec. 01, 1994      
Strategic Municipal Bond Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   1.07% 0.34% 1.09%
Performance Inception Date Aug. 18, 1997      
Strategic Municipal Bond Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   3.05% 1.40% 2.02%
Performance Inception Date Nov. 30, 2012      
Strategic Municipal Bond Fund | R6        
Prospectus [Line Items]        
Average Annual Return, Percent [7]   3.22% 1.47% 1.98%
Performance Inception Date [7] Jul. 31, 2018      
Ultra Short-Term Municipal Income Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Ultra Short-Term Municipal Income Fund | Ultra Short-Term Municipal Income Blended Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent [8]   2.91% 1.62% 1.30%
Ultra Short-Term Municipal Income Fund | Bloomberg 1 Year Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   2.71% 1.39% 1.30%
Ultra Short-Term Municipal Income Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   1.21% 0.95% 0.82%
Performance Inception Date Oct. 02, 2000      
Ultra Short-Term Municipal Income Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   0.14% 0.50% 0.54%
Performance Inception Date Oct. 02, 2000      
Ultra Short-Term Municipal Income Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   0.71% 0.58% 0.59%
Performance Inception Date Oct. 02, 2000      
Ultra Short-Term Municipal Income Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent   3.53% 1.59% 1.31%
Performance Inception Date Jul. 31, 2000      
Ultra Short-Term Municipal Income Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   1.51% 0.96% 0.61%
Performance Inception Date Mar. 31, 2008      
Ultra Short-Term Municipal Income Fund | R6        
Prospectus [Line Items]        
Average Annual Return, Percent [9]   3.58% 1.66% 1.34%
Performance Inception Date [9] Jul. 31, 2018      
Ultra Short-Term Municipal Income Fund | A2        
Prospectus [Line Items]        
Average Annual Return, Percent [10]   3.38% 1.41% 1.05%
Performance Inception Date [10] May 29, 2020      
Wisconsin Tax-Free Fund | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   1.05% 0.99% 2.25%
Wisconsin Tax-Free Fund | Bloomberg Wisconsin Municipal Bond Index (reflects no deduction for fees, expenses, or taxes) [Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   1.38% 0.91% 2.03%
Wisconsin Tax-Free Fund | A        
Prospectus [Line Items]        
Average Annual Return, Percent   (2.61%) (0.04%) 1.37%
Performance Inception Date Mar. 31, 2008      
Wisconsin Tax-Free Fund | A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   (3.68%) (0.67%) 1.05%
Performance Inception Date Mar. 31, 2008      
Wisconsin Tax-Free Fund | A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   (1.55%) (0.13%) 1.27%
Performance Inception Date Mar. 31, 2008      
Wisconsin Tax-Free Fund | C        
Prospectus [Line Items]        
Average Annual Return, Percent   0.19% 0.12% 1.23%
Performance Inception Date Dec. 26, 2002      
Wisconsin Tax-Free Fund | Institutional        
Prospectus [Line Items]        
Average Annual Return, Percent [11]   2.14% 1.06% 1.99%
Performance Inception Date [11] Oct. 31, 2016      
[1]
2. Source: Allspring Funds Management, LLC. The High Yield Municipal Bond Blended Index is composed 60% of the Bloomberg  High Yield Municipal Bond Index and 40% of the Bloomberg  Municipal Bond Index. You cannot invest directly in an index.
[2]
1. Historical performance shown for the Class R6 shares prior to their inception reflects the performance of the Institutional Class shares, and includes the higher expenses applicable to the Institutional Class shares. If these expenses had not been included, returns for the  Class R6 shares would be higher.
[3]
1. Historical performance shown for the Class R6 shares prior to their inception reflects the performance of the Institutional Class shares, and includes the higher expenses applicable to the Institutional Class shares. If these expenses had not been included, returns for the  Class R6 shares would be higher.
[4]
1. Historical performance shown for the Institutional Class shares prior to their inception reflects the performance of the former Administrator Class shares, and includes the higher expenses applicable to the former Administrator Class shares. If these expenses had not been included, returns for the Institutional Class shares would be higher.
[5]
1. Historical performance shown for the Class R6 shares prior to their inception reflects the performance of the Institutional Class shares, and includes the higher expenses applicable to the Institutional Class shares. If these expenses had not been included, returns for the  Class R6 shares would be higher.
[6]
1. Historical performance shown for the Class R6 shares prior to their inception reflects the performance of the Institutional Class shares, and includes the higher expenses applicable to the Institutional Class shares. If these expenses had not been included, returns for the  Class R6 shares would be higher.
[7]
1. Historical performance shown for the Class R6 shares prior to their inception reflects the performance of the former Administrator Class shares, and includes the higher expenses applicable to the former Administrator Class shares. If these expenses had not been included, returns for the Class R6 shares would be higher.
[8]
3. Source: Allspring Funds Management, LLC. The Ultra Short-Term Municipal Income Blended Index is composed 50% of the Bloomberg  1 Year Municipal Bond Index and 50% of the iMoneyNet Tax-Free National Institutional Money Market Funds Average. You cannot invest directly in an index.
[9]
2. Historical performance shown for the Class R6 shares prior to their inception reflects the performance of the Institutional Class shares, and includes the higher expenses applicable to the Institutional Class shares. If these expenses had not been included, returns for the  Class R6 shares would be higher.
[10]
1. Historical performance shown for the Class A2 shares prior to their inception reflects the performance of the Class A shares, and includes the higher expenses and/or sales charges applicable to the Class A shares. If these expenses and/or sales charges had not been included, returns for the Class A2 shares would be higher.
[11]
1. Historical performance shown for the Institutional Class shares prior to their inception reflects the performance of the Class A shares, and includes the higher expenses applicable to the Class A shares. If these expenses had not been included, returns for the Institutional Class shares would be higher.