v3.26.1
S000016654 [Member] Expense Example, No Redemption - Franklin Multi-Asset Moderate Growth Fund
Jan. 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 646
Expense Example, No Redemption, 3 Years 850
Expense Example, No Redemption, 5 Years 1,071
Expense Example, No Redemption, 10 Years 1,706
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 176
Expense Example, No Redemption, 3 Years 546
Expense Example, No Redemption, 5 Years 940
Expense Example, No Redemption, 10 Years 1,849
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 75
Expense Example, No Redemption, 3 Years 234
Expense Example, No Redemption, 5 Years 407
Expense Example, No Redemption, 10 Years 908
Class R  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 142
Expense Example, No Redemption, 3 Years 598
Expense Example, No Redemption, 5 Years 1,081
Expense Example, No Redemption, 10 Years 2,414
Class IS  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 65
Expense Example, No Redemption, 3 Years 204
Expense Example, No Redemption, 5 Years 356
Expense Example, No Redemption, 10 Years $ 797