Expense Example, No Redemption - CAPITAL INCOME BUILDER |
Dec. 30, 2025
USD ($)
|
|---|---|
| Class C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 135 |
| Expense Example, No Redemption, 3 Years | 421 |
| Expense Example, No Redemption, 5 Years | 729 |
| Expense Example, No Redemption, 10 Years | 1,395 |
| Class 529-C | |
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | 139 |
| Expense Example, No Redemption, 3 Years | 434 |
| Expense Example, No Redemption, 5 Years | 750 |
| Expense Example, No Redemption, 10 Years | $ 1,150 |