Annual Fund Operating Expenses - American Century Mutual Funds, Inc - BALANCED FUND |
Mar. 01, 2026 |
|---|---|
| BALANCED FUND, INVESTOR CLASS | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.88% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.01% |
| Expenses (as a percentage of Assets) | 0.89% |
| BALANCED FUND, I CLASS | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.68% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.01% |
| Expenses (as a percentage of Assets) | 0.69% |
| BALANCED FUND, R5 CLASS | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.68% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.01% |
| Expenses (as a percentage of Assets) | 0.69% |