Investment Risks |
Oct. 02, 2025 |
|---|---|
| Principal LifeTime 2015 Fund | |
| Prospectus [Line Items] | |
| Risk [Text Block] | In the Principal Risks section, delete Smaller Companies Risk under the Equity Securities Risk.
|
| Principal LifeTime Hybrid 2015 Fund | |
| Prospectus [Line Items] | |
| Risk [Text Block] | In the Principal Risks section, delete Smaller Companies Risk under the Equity Securities Risk.
|