v3.25.4
S000001599 [Member] Annual Fund Operating Expenses - Tax-Exempt Bond Fund
Oct. 31, 2025
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination February 28, 2027
Class M  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30% [1]
Distribution and Service (12b-1) Fees 0.00% [1]
Other Expenses (as a percentage of Assets): 0.27% [1]
Expenses (as a percentage of Assets) 0.57% [1]
Fee Waiver or Reimbursement (0.16%) [1]
Net Expenses (as a percentage of Assets) 0.41% [1]
Class S  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30% [1]
Distribution and Service (12b-1) Fees 0.00% [1]
Other Expenses (as a percentage of Assets): 0.27% [1]
Expenses (as a percentage of Assets) 0.57% [1]
Fee Waiver or Reimbursement (0.06%) [1]
Net Expenses (as a percentage of Assets) 0.51% [1]
Class C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30% [1]
Distribution and Service (12b-1) Fees 0.75% [1]
Other Expenses (as a percentage of Assets): 0.52% [1]
Expenses (as a percentage of Assets) 1.57% [1]
Fee Waiver or Reimbursement (0.06%) [1]
Net Expenses (as a percentage of Assets) 1.51% [1]
Class A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.30% [1]
Distribution and Service (12b-1) Fees 0.25% [1]
Other Expenses (as a percentage of Assets): 0.27% [1]
Expenses (as a percentage of Assets) 0.82% [1]
Fee Waiver or Reimbursement (0.02%) [1]
Net Expenses (as a percentage of Assets) 0.80% [1]
[1] Until February 28, 2027, Russell Investments Fund Services, LLC has contractually agreed to waive 0.16% of its transfer agency fees for Class M Shares, 0.06% of its transfer agency fees for Class C and Class S Shares and 0.02% of its transfer agency fees for Class A Shares. These waivers may not be terminated during the relevant period except with Board approval.