Expense Example, No Redemption - INCOME FUND OF AMERICA |
Sep. 30, 2025
USD ($)
|
|---|---|
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 133 |
| Expense Example, No Redemption, 3 Years | 415 |
| Expense Example, No Redemption, 5 Years | 718 |
| Expense Example, No Redemption, 10 Years | 1,372 |
| Class 529-C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 137 |
| Expense Example, No Redemption, 3 Years | 428 |
| Expense Example, No Redemption, 5 Years | 739 |
| Expense Example, No Redemption, 10 Years | $ 1,133 |