Class C2 [Member] Annual Total Returns |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Class C2 | Western Asset Short Duration Municipal Income Fund | Class C2 | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 1.48% | 3.11% | (3.80%) | (0.31%) |