v3.26.1
S000016652 [Member] Expense Example - Franklin Multi-Asset Conservative Growth Fund
Jan. 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 642
Expense Example, with Redemption, 3 Years 836
Expense Example, with Redemption, 5 Years 1,046
Expense Example, with Redemption, 10 Years 1,652
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 273
Expense Example, with Redemption, 3 Years 536
Expense Example, with Redemption, 5 Years 923
Expense Example, with Redemption, 10 Years 1,810
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 214
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years 834
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 134
Expense Example, with Redemption, 3 Years 418
Expense Example, with Redemption, 5 Years 723
Expense Example, with Redemption, 10 Years 1,589
Class IS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 192
Expense Example, with Redemption, 5 Years 335
Expense Example, with Redemption, 10 Years $ 750