v3.25.4
Shareholder Report, Line Graph (Details) LMF0600_BrandywineGLOBAL - Global Opportunities Bond Fund_Class I_TSR Annual {Class I} - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2025
Class I                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class I
Accumulated Value $ 1,067,899 $ 1,178,814 $ 1,099,386 $ 1,305,730 $ 1,379,709 $ 1,226,221 $ 1,123,572 $ 1,182,626 $ 1,049,135 $ 1,000,000 $ 1,212,125
Bloomberg Global Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg Global Aggregate Index
Accumulated Value 1,048,246 1,066,256 1,008,613 1,204,292 1,263,777 1,157,346 1,083,255 1,096,351 1,020,859 1,000,000 $ 1,133,866
FTSE World Government Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     FTSE World Government Bond Index
Accumulated Value $ 980,947 $ 1,009,917 $ 960,133 $ 1,174,665 $ 1,262,699 $ 1,146,780 $ 1,082,912 $ 1,092,094 $ 1,016,004 $ 1,000,000 $ 1,054,983