Expense Example, No Redemption - U.S. Government Securities Fund |
Oct. 30, 2026
USD ($)
|
|---|---|
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 138 |
| Expense Example, No Redemption, 3 Years | 431 |
| Expense Example, No Redemption, 5 Years | 745 |
| Expense Example, No Redemption, 10 Years | 1,438 |
| Class 529-C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 145 |
| Expense Example, No Redemption, 3 Years | 449 |
| Expense Example, No Redemption, 5 Years | 776 |
| Expense Example, No Redemption, 10 Years | $ 1,208 |