Shareholder Report, Line Graph (Details) LMF3600_Western Asset Intermediate Bond Fund_Class C_TSR Annual {Class C} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2023 |
May 31, 2022 |
May 31, 2021 |
May 31, 2020 |
May 31, 2019 |
May 31, 2018 |
May 31, 2017 |
May 31, 2016 |
May 31, 2026 |
|
| Class C | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class C (with sales charge) | ||||||||||
| Accumulated Value | $ 10,808 | $ 10,234 | $ 10,086 | $ 10,324 | $ 11,380 | $ 11,185 | $ 10,576 | $ 10,114 | $ 10,185 | $ 10,000 | $ 11,156 |
| Bloomberg U.S. Aggregate Index | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | ||||||||||
| Accumulated Value | 11,258 | 10,676 | 10,538 | 10,769 | 11,734 | 11,781 | 10,768 | 10,120 | 10,158 | 10,000 | $ 11,836 |
| Bloomberg Intermediate U.S. Government/Credit Index | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg Intermediate U.S. Government/Credit Index | ||||||||||
| Accumulated Value | $ 11,772 | $ 11,058 | $ 10,771 | $ 10,828 | $ 11,539 | $ 11,456 | $ 10,647 | $ 10,070 | $ 10,140 | $ 10,000 | $ 12,257 |