Expense Example, No Redemption - U.S. GOVERNMENT SECURITIES FUND |
Oct. 31, 2025
USD ($)
|
|---|---|
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 140 |
| Expense Example, No Redemption, 3 Years | 443 |
| Expense Example, No Redemption, 5 Years | 768 |
| Expense Example, No Redemption, 10 Years | 1,489 |
| Class 529-C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 146 |
| Expense Example, No Redemption, 3 Years | 459 |
| Expense Example, No Redemption, 5 Years | 795 |
| Expense Example, No Redemption, 10 Years | $ 1,245 |