Investment Strategy - LargeCap Growth Account I |
May 01, 2026 |
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| Prospectus [Line Items] | |
| Strategy [Heading] | Effective June 26, 2026, under Principal Investment Strategies, delete the second paragraph and replace with the following: |
| Strategy Narrative [Text Block] | The Fund is primarily actively managed by the sub-advisors. In addition, Principal Global Investors, LLC may invest up to 30% of the Fund’s assets using an index sampling strategy designed to match the performance of the Russell Top 200® Growth Index.
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