S000006639 [Member] Investment Objectives and Goals - Loomis Sayles Securitized Asset Fund

Sep. 30, 2025

Prospectus [Line Items]

Risk/Return [Heading]

Loomis Sayles Securitized Asset Fund

Objective [Heading]

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

The Fund’s investment objective is to seek a high level of current income consistent with capital preservation.