Multi-Asset Diversified Income Index Fund Investment Objectives and Goals - Multi-Asset Diversified Income Index Fund |
Sep. 30, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:12.60pt;font-weight:bold;">Multi-Asset Diversified Income Index Fund (MDIV)</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Investment Objective</span> |
| Objective, Primary [Text Block] | The Multi-Asset Diversified Income Index Fund (the “Fund”) seeks investment results that correspond generally to the price and yield (before the Fund’s fees and expenses) of an index called the Nasdaq US Multi-Asset Diversified IncomeTM Index (the “Index”). |