v3.25.2
S000016628 [Member] Expense Example, No Redemption - Western Asset Managed Municipals Fund
Feb. 28, 2025
USD ($)
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 132
Expense Example, No Redemption, 3 Years 411
Expense Example, No Redemption, 5 Years 712
Expense Example, No Redemption, 10 Years 1,413
Class FI  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 91
Expense Example, No Redemption, 3 Years 301
Expense Example, No Redemption, 5 Years 528
Expense Example, No Redemption, 10 Years 1,183
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 55
Expense Example, No Redemption, 3 Years 188
Expense Example, No Redemption, 5 Years 333
Expense Example, No Redemption, 10 Years 755
Class IS  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 52
Expense Example, No Redemption, 3 Years 166
Expense Example, No Redemption, 5 Years 290
Expense Example, No Redemption, 10 Years 651
Class 1  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 63
Expense Example, No Redemption, 3 Years 198
Expense Example, No Redemption, 5 Years 345
Expense Example, No Redemption, 10 Years 774
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 448
Expense Example, No Redemption, 3 Years 603
Expense Example, No Redemption, 5 Years 771
Expense Example, No Redemption, 10 Years $ 1,259