v3.26.3
Expense Example, No Redemption - SHORT-TERM BOND FUND OF AMERICA
Oct. 30, 2026
USD ($)
Class 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 1,454
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 $ 1,215