v3.26.1
Investment Objectives and Goals - Western Asset Oregon Municipals Fund
Apr. 30, 2026
Prospectus [Line Items]  
Risk/Return [Heading] WESTERN ASSET OREGON MUNICIPALS FUND
Objective [Heading] Investment objective
Objective, Primary [Text Block]
The fund seeks to provide Oregon investors with as high a level of dividend income exempt from regular federal income tax and Oregon state personal income taxes as is consistent with prudent investment management and the preservation of capital.