v3.25.2
S000012738 [Member] Expense Example, No Redemption - Western Asset Total Return Unconstrained Fund
May 31, 2025
USD ($)
Class R  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 139
Expense Example, No Redemption, 3 Years 475
Expense Example, No Redemption, 5 Years 835
Expense Example, No Redemption, 10 Years 1,850
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 79
Expense Example, No Redemption, 3 Years 279
Expense Example, No Redemption, 5 Years 495
Expense Example, No Redemption, 10 Years 1,118
Class IS  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 68
Expense Example, No Redemption, 3 Years 244
Expense Example, No Redemption, 5 Years 436
Expense Example, No Redemption, 10 Years 989
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 482
Expense Example, No Redemption, 3 Years 727
Expense Example, No Redemption, 5 Years 992
Expense Example, No Redemption, 10 Years 1,746
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 185
Expense Example, No Redemption, 3 Years 595
Expense Example, No Redemption, 5 Years 1,031
Expense Example, No Redemption, 10 Years 2,048
Class FI  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 114
Expense Example, No Redemption, 3 Years 373
Expense Example, No Redemption, 5 Years 652
Expense Example, No Redemption, 10 Years $ 1,447