v3.26.1
Shareholder Report, Average Annual Return (Details) 207767_Franklin ClearBridge Enhanced Income ETF_Single Class_TSR Annual {Single Class}
12 Months Ended 60 Months Ended 106 Months Ended
Mar. 31, 2026
Mar. 31, 2026
Mar. 31, 2026
Franklin ClearBridge Enhanced Income ETF      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Franklin ClearBridge Enhanced Income ETF (NAV)    
Average Annual Return, Percent 11.64% 10.40% 11.55%
Russell 3000 Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Russell 3000 Index    
Average Annual Return, Percent 18.09% 10.87% 13.28%
S&P 500 Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name S&P 500 Index    
Average Annual Return, Percent 17.80% 12.06% 13.85%
CBOE S&P 500 BuyWrite Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name CBOE S&P 500 BuyWrite Index    
Average Annual Return, Percent 11.35% 7.92% 6.60%