XML 33 R2.htm IDEA: XBRL DOCUMENT v3.25.2
Shareholder Report
 6 Months Ended
Jul. 31, 2025
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Legg Mason Partners Investment Trust
Entity Central Index Key 0000880366
Entity Investment Company Type N-1A
Document Period End Date Jul. 31, 2025
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Growth Fund
Class Name Class A
Trading Symbol SCHAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class A1
$20
0.40%
[1],[2]
Expenses Paid, Amount $ 20 [1]
Expense Ratio, Percent 0.40% [1]
Net Assets $ 886,522,100
Holdings Count | $ / shares 18 [3]
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$886,522,100
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
19%
[3]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [4]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Growth Fund
Class Name Class C
Trading Symbol SCHCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class C1
$56
1.10%
[5],[6]
Expenses Paid, Amount $ 56 [5]
Expense Ratio, Percent 1.10% [5]
Net Assets $ 886,522,100
Holdings Count | $ / shares 18 [7]
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$886,522,100
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
19%
[7]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [8]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Growth Fund
Class Name Class R
Trading Symbol LLLRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class R1
$35
0.69%
[9],[10]
Expenses Paid, Amount $ 35 [9]
Expense Ratio, Percent 0.69% [9]
Net Assets $ 886,522,100
Holdings Count | $ / shares 18 [11]
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$886,522,100
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
19%
[11]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [12]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Growth Fund
Class Name Class I
Trading Symbol LANIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class I1
$7
0.14%
[13],[14]
Expenses Paid, Amount $ 7 [13]
Expense Ratio, Percent 0.14% [13]
Net Assets $ 886,522,100
Holdings Count | $ / shares 18 [15]
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$886,522,100
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
19%
[15]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [16]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Moderate Growth Fund
Class Name Class A
Trading Symbol SCGRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Moderate Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class A1
$21
0.42%
[17],[18]
Expenses Paid, Amount $ 21 [17]
Expense Ratio, Percent 0.42% [17]
Net Assets $ 516,038,689
Holdings Count | $ / shares 18 [19]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$516,038,689
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[19]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [20]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Moderate Growth Fund
Class Name Class C
Trading Symbol SCGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Moderate Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class C1
$58
1.15%
[21],[22]
Expenses Paid, Amount $ 58 [21]
Expense Ratio, Percent 1.15% [21]
Net Assets $ 516,038,689
Holdings Count | $ / shares 18 [23]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$516,038,689
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[23]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [24]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Moderate Growth Fund
Class Name Class R
Trading Symbol LLMRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Moderate Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class R1
$40
0.80%
[25],[26],[27]
Expenses Paid, Amount $ 40 [25]
Expense Ratio, Percent 0.80% [25]
Net Assets $ 516,038,689
Holdings Count | $ / shares 18 [28]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$516,038,689
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[28]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [29]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Moderate Growth Fund
Class Name Class I
Trading Symbol LLAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Moderate Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class I1
$8
0.15%
[30],[31]
Expenses Paid, Amount $ 8 [30]
Expense Ratio, Percent 0.15% [30]
Net Assets $ 516,038,689
Holdings Count | $ / shares 18 [32]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$516,038,689
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[32]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [33]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Conservative Growth Fund
Class Name Class A
Trading Symbol SBBAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Conservative Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class A1
$22
0.44%
[34],[35]
Expenses Paid, Amount $ 22 [34]
Expense Ratio, Percent 0.44% [34]
Net Assets $ 293,886,265
Holdings Count | $ / shares 18 [36]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$293,886,265
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[36]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [37]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Conservative Growth Fund
Class Name Class C
Trading Symbol SCBCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Conservative Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class C1
$60
1.18%
[38],[39]
Expenses Paid, Amount $ 60 [38]
Expense Ratio, Percent 1.18% [38]
Net Assets $ 293,886,265
Holdings Count | $ / shares 18 [40]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$293,886,265
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[40]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [41]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Conservative Growth Fund
Class Name Class R
Trading Symbol LLARX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Conservative Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class R1
$40
0.80%
[42],[43],[44]
Expenses Paid, Amount $ 40 [42]
Expense Ratio, Percent 0.80% [42]
Net Assets $ 293,886,265
Holdings Count | $ / shares 18 [45]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$293,886,265
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[45]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [46]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Conservative Growth Fund
Class Name Class I
Trading Symbol LMEIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Conservative Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class I1
$8
0.15%
[47],[48]
Expenses Paid, Amount $ 8 [47]
Expense Ratio, Percent 0.15% [47]
Net Assets $ 293,886,265
Holdings Count | $ / shares 18 [49]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$293,886,265
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[49]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [50]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class A  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Defensive Growth Fund
Class Name Class A
Trading Symbol SBCPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Defensive Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class A1
$29
0.57%
[51],[52]
Expenses Paid, Amount $ 29 [51]
Expense Ratio, Percent 0.57% [51]
Net Assets $ 103,269,506
Holdings Count | $ / shares 18 [53]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$103,269,506
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[53]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [54]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Defensive Growth Fund
Class Name Class C
Trading Symbol LWLAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Defensive Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class C1
$66
1.32%
[55],[56]
Expenses Paid, Amount $ 66 [55]
Expense Ratio, Percent 1.32% [55]
Net Assets $ 103,269,506
Holdings Count | $ / shares 18 [57]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$103,269,506
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[57]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [58]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class C1  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Defensive Growth Fund
Class Name Class C1
Trading Symbol SBCLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Defensive Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class C11
$63
1.25%
[59],[60],[61]
Expenses Paid, Amount $ 63 [59]
Expense Ratio, Percent 1.25% [59]
Net Assets $ 103,269,506
Holdings Count | $ / shares 18 [62]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$103,269,506
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[62]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [63]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class R  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Defensive Growth Fund
Class Name Class R
Trading Symbol LMLRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Defensive Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment†
Class R1
$37
0.73%
[64],[65]
Expenses Paid, Amount $ 37 [64]
Expense Ratio, Percent 0.73% [64]
Net Assets $ 103,269,506
Holdings Count | $ / shares 18 [66]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$103,269,506
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[66]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [67]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Multi-Asset Defensive Growth Fund
Class Name Class I
Trading Symbol LMGIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Multi-Asset Defensive Growth Fund for the period February 1, 2025, to July 31, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.franklintempleton.com/regulatory-fund-documents. You can also request this information by contacting us at 877-6LM-FUND/656-3863.
Additional Information Phone Number 877-6LM-FUND/656-3863
Additional Information Website https://www.franklintempleton.com/regulatory-fund-documents
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*,†
Class I1
$13
0.25%
[68],[69],[70]
Expenses Paid, Amount $ 13 [68]
Expense Ratio, Percent 0.25% [68]
Net Assets $ 103,269,506
Holdings Count | $ / shares 18 [71]
Investment Company Portfolio Turnover 17.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of July 31, 2025)
Total Net Assets
$103,269,506
Total Number of Portfolio Holdings*
18
Portfolio Turnover Rate
17%
[71]
Holdings [Text Block]
WHAT DID THE FUND INVEST IN? (as of July 31, 2025)
Portfolio Composition* (% of Total Investments)
image
 [72]
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[2]
† Annualized.
[3]
* Does not include derivatives, except purchased options, if any.
[4]
* Does not include derivatives, except purchased options, if any.  
[5]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[6]
† Annualized.
[7]
* Does not include derivatives, except purchased options, if any.
[8]
* Does not include derivatives, except purchased options, if any.  
[9]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[10]
† Annualized.
[11]
* Does not include derivatives, except purchased options, if any.
[12]
* Does not include derivatives, except purchased options, if any.  
[13]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[14]
† Annualized.
[15]
* Does not include derivatives, except purchased options, if any.
[16]
* Does not include derivatives, except purchased options, if any.  
[17]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[18]
† Annualized.
[19]
* Does not include derivatives, except purchased options, if any.
[20]
* Does not include derivatives, except purchased options, if any.  
[21]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[22]
† Annualized.
[23]
* Does not include derivatives, except purchased options, if any.
[24]
* Does not include derivatives, except purchased options, if any.  
[25]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[26]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[27]
† Annualized.
[28]
* Does not include derivatives, except purchased options, if any.
[29]
* Does not include derivatives, except purchased options, if any.  
[30]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[31]
† Annualized.
[32]
* Does not include derivatives, except purchased options, if any.
[33]
* Does not include derivatives, except purchased options, if any.  
[34]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[35]
† Annualized.
[36]
* Does not include derivatives, except purchased options, if any.
[37]
* Does not include derivatives, except purchased options, if any.  
[38]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[39]
† Annualized.
[40]
* Does not include derivatives, except purchased options, if any.
[41]
* Does not include derivatives, except purchased options, if any.  
[42]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[43]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[44]
† Annualized.
[45]
* Does not include derivatives, except purchased options, if any.
[46]
* Does not include derivatives, except purchased options, if any.  
[47]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[48]
† Annualized.
[49]
* Does not include derivatives, except purchased options, if any.
[50]
* Does not include derivatives, except purchased options, if any.  
[51]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[52]
† Annualized.
[53]
* Does not include derivatives, except purchased options, if any.
[54]
* Does not include derivatives, except purchased options, if any.  
[55]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[56]
† Annualized.
[57]
* Does not include derivatives, except purchased options, if any.
[58]
* Does not include derivatives, except purchased options, if any.  
[59]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[60]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[61]
† Annualized.
[62]
* Does not include derivatives, except purchased options, if any.
[63]
* Does not include derivatives, except purchased options, if any.  
[64]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[65]
† Annualized.
[66]
* Does not include derivatives, except purchased options, if any.
[67]
* Does not include derivatives, except purchased options, if any.  
[68]
1 Excludes fees and expenses of the underlying funds in which the Fund invests.
[69]
* Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
[70]
† Annualized.
[71]
* Does not include derivatives, except purchased options, if any.
[72]
* Does not include derivatives, except purchased options, if any.