v3.26.1
American Funds Balanced Allocation Portfolio Expense Example - American Funds Balanced Allocation Portfolio
Dec. 31, 2025
USD ($)
Class B  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 67
Expense Example, with Redemption, 3 Years 211
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 822
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 98
Expense Example, with Redemption, 3 Years 306
Expense Example, with Redemption, 5 Years 531
Expense Example, with Redemption, 10 Years $ 1,178