v3.25.4
Shareholder Report, Line Graph (Details) LMF0600_BrandywineGLOBAL - Global Opportunities Bond Fund_Class FI_TSR Annual {Class FI} - 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 FI                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class FI
Accumulated Value $ 10,391 $ 11,500 $ 10,765 $ 12,823 $ 13,587 $ 12,107 $ 11,134 $ 11,747 $ 10,462 $ 10,000 $ 11,752
Bloomberg Global Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg Global Aggregate Index
Accumulated Value 10,482 10,663 10,086 12,043 12,638 11,573 10,833 10,964 10,209 10,000 $ 11,339
FTSE World Government Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     FTSE World Government Bond Index
Accumulated Value $ 9,809 $ 10,099 $ 9,601 $ 11,747 $ 12,627 $ 11,468 $ 10,829 $ 10,921 $ 10,160 $ 10,000 $ 10,550