v3.25.2
Shareholder Report
 6 Months Ended
Jun. 30, 2025
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Legg Mason Partners Variable Equity Trust
Entity Central Index Key 0001176343
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Aggressive Model Portfolio
Class Name Class I
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Aggressive Model Portfolio for the period January 1, 2025, to June 30, 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 I1,2
$6
0.11%
[1],[2],[3]
Expenses Paid, Amount $ 6 [1],[2]
Expense Ratio, Percent 0.11% [1],[2]
Net Assets $ 1,029,594,483
Holdings Count | $ / shares 23 [4]
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$1,029,594,483
Total Number of Portfolio Holdings*
23
Portfolio Turnover Rate
33%
[4]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class II  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Aggressive Model Portfolio
Class Name Class II
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Aggressive Model Portfolio for the period January 1, 2025, to June 30, 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 II1,2
$19
0.36%
[5],[6],[7]
Expenses Paid, Amount $ 19 [5],[6]
Expense Ratio, Percent 0.36% [5],[6]
Net Assets $ 1,029,594,483
Holdings Count | $ / shares 23 [8]
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$1,029,594,483
Total Number of Portfolio Holdings*
23
Portfolio Turnover Rate
33%
[8]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Moderately Aggressive Model Portfolio
Class Name Class I
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Moderately Aggressive Model Portfolio for the period January 1, 2025, to June 30, 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 I1,2
$5
0.10%
[9],[10],[11]
Expenses Paid, Amount $ 5 [9],[10]
Expense Ratio, Percent 0.10% [9],[10]
Net Assets $ 2,474,341,092
Holdings Count | $ / shares 29 [12]
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$2,474,341,092
Total Number of Portfolio Holdings*
29
Portfolio Turnover Rate
23%
[12]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class II  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Moderately Aggressive Model Portfolio
Class Name Class II
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Moderately Aggressive Model Portfolio for the period January 1, 2025, to June 30, 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 II1,2
$18
0.35%
[13],[14],[15]
Expenses Paid, Amount $ 18 [13],[14]
Expense Ratio, Percent 0.35% [13],[14]
Net Assets $ 2,474,341,092
Holdings Count | $ / shares 29 [16]
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$2,474,341,092
Total Number of Portfolio Holdings*
29
Portfolio Turnover Rate
23%
[16]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Moderate Model Portfolio
Class Name Class I
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Moderate Model Portfolio for the period January 1, 2025, to June 30, 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 I1,2
$6
0.11%
[17],[18],[19]
Expenses Paid, Amount $ 6 [17],[18]
Expense Ratio, Percent 0.11% [17],[18]
Net Assets $ 1,721,934,023
Holdings Count | $ / shares 30 [20]
Investment Company Portfolio Turnover 26.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$1,721,934,023
Total Number of Portfolio Holdings*
30
Portfolio Turnover Rate
26%
[20]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class II  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Moderate Model Portfolio
Class Name Class II
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Moderate Model Portfolio for the period January 1, 2025, to June 30, 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 II1,2
$18
0.36%
[21],[22],[23]
Expenses Paid, Amount $ 18 [21],[22]
Expense Ratio, Percent 0.36% [21],[22]
Net Assets $ 1,721,934,023
Holdings Count | $ / shares 30 [24]
Investment Company Portfolio Turnover 26.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$1,721,934,023
Total Number of Portfolio Holdings*
30
Portfolio Turnover Rate
26%
[24]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Moderately Conservative Model Portfolio
Class Name Class I
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Moderately Conservative Model Portfolio for the period January 1, 2025, to June 30, 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 I1,2
$6
0.12%
[25],[26],[27]
Expenses Paid, Amount $ 6 [25],[26]
Expense Ratio, Percent 0.12% [25],[26]
Net Assets $ 464,559,201
Holdings Count | $ / shares 26 [28]
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$464,559,201
Total Number of Portfolio Holdings*
26
Portfolio Turnover Rate
21%
[28]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class II  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Moderately Conservative Model Portfolio
Class Name Class II
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Moderately Conservative Model Portfolio for the period January 1, 2025, to June 30, 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 II1,2
$19
0.37%
[29],[30],[31]
Expenses Paid, Amount $ 19 [29],[30]
Expense Ratio, Percent 0.37% [29],[30]
Net Assets $ 464,559,201
Holdings Count | $ / shares 26 [32]
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$464,559,201
Total Number of Portfolio Holdings*
26
Portfolio Turnover Rate
21%
[32]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class I  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Conservative Model Portfolio
Class Name Class I
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Conservative Model Portfolio for the period January 1, 2025, to June 30, 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 I1,2
$8
0.15%
[33],[34],[35]
Expenses Paid, Amount $ 8 [33],[34]
Expense Ratio, Percent 0.15% [33],[34]
Net Assets $ 187,665,266
Holdings Count | $ / shares 19 [36]
Investment Company Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$187,665,266
Total Number of Portfolio Holdings*
19
Portfolio Turnover Rate
14%
[36]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
Class II  
Shareholder Report [Line Items]  
Fund Name Franklin Templeton Conservative Model Portfolio
Class Name Class II
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Franklin Templeton Conservative Model Portfolio for the period January 1, 2025, to June 30, 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 II1,2
$20
0.40%
[37],[38],[39]
Expenses Paid, Amount $ 20 [37],[38]
Expense Ratio, Percent 0.40% [37],[38]
Net Assets $ 187,665,266
Holdings Count | $ / shares 19 [40]
Investment Company Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Total Net Assets
$187,665,266
Total Number of Portfolio Holdings*
19
Portfolio Turnover Rate
14%
[40]
Holdings [Text Block]
image
Updated Prospectus Web Address https://www.franklintempleton.com/regulatory-fund-documents
[1]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[2]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[3]
† Annualized.
[4]
* Does not include derivatives, except purchased options, if any.
[5]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[6]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[7]
† Annualized.
[8]
* Does not include derivatives, except purchased options, if any.
[9]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[10]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[11]
† Annualized.
[12]
* Does not include derivatives, except purchased options, if any.
[13]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[14]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[15]
† Annualized.
[16]
* Does not include derivatives, except purchased options, if any.
[17]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[18]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[19]
† Annualized.
[20]
* Does not include derivatives, except purchased options, if any.
[21]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[22]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[23]
† Annualized.
[24]
* Does not include derivatives, except purchased options, if any.
[25]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[26]
2 Excludes fees and expenses of the underlying funds in which the Fund invests.
[27]
† Annualized.
[28]
* Does not include derivatives, except purchased options, if any.
[29]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[30]
2 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]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[34]
2 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]
1 Does not reflect expenses incurred from investing through variable annuity or variable life insurance products.
[38]
2 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.