v3.26.1
S000016653 [Member] Expense Example, No Redemption - Franklin Multi-Asset Defensive Growth Fund
Jan. 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 474
Expense Example, No Redemption, 3 Years 684
Expense Example, No Redemption, 5 Years 912
Expense Example, No Redemption, 10 Years 1,565
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 73
Expense Example, No Redemption, 3 Years 230
Expense Example, No Redemption, 5 Years 400
Expense Example, No Redemption, 10 Years 895
Class R  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 120
Expense Example, No Redemption, 3 Years 375
Expense Example, No Redemption, 5 Years 650
Expense Example, No Redemption, 10 Years 1,433
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 183
Expense Example, No Redemption, 3 Years 567
Expense Example, No Redemption, 5 Years 975
Expense Example, No Redemption, 10 Years 1,909
Class IS  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 62
Expense Example, No Redemption, 3 Years 201
Expense Example, No Redemption, 5 Years 353
Expense Example, No Redemption, 10 Years $ 795