v3.26.1
S000057702 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 103 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Russell 3000 Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.15% 13.15% 14.22%
S&P 500 Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.88% 14.42% 14.86%
Cboe S&P 500 BuyWrite Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 8.91% 9.33% 6.91%
Franklin ClearBridge Enhanced Income ETF      
Prospectus [Line Items]      
Average Annual Return, Percent 12.96% 11.22% 11.80%
Performance Inception Date     May 22, 2017
Franklin ClearBridge Enhanced Income ETF | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 10.33% 10.35% 11.08%
Performance Inception Date     May 22, 2017
Franklin ClearBridge Enhanced Income ETF | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 7.60% 8.61% 9.45%
Performance Inception Date     May 22, 2017