S000017347 [Member] Investment Objectives and Goals - Municipal Total Return Managed Accounts Portfolio |
Jul. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Municipal Total Return Managed Accounts Portfolio |
| Objective [Heading] | Investment Objectives |
| Objective, Primary [Text Block] | The primary investment objective of the Portfolio is to seek attractive total return. The Portfolio also seeks to provide high current income exempt from regular federal income taxes.
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