v3.26.1
Shareholder Report, Average Annual Return (Details) 1014025_Franklin FTSE Europe ETF_Single Class_TSR Annual {Single Class}
12 Months Ended 60 Months Ended 101 Months Ended
Mar. 31, 2026
Mar. 31, 2026
Mar. 31, 2026
Franklin FTSE Europe ETF      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Franklin FTSE Europe ETF (NAV)    
Average Annual Return, Percent 19.77% 9.07% 7.48%
FTSE Developed Europe Index-NR [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE Developed Europe Index-NR    
Average Annual Return, Percent 19.42% 8.76% 7.22%
FTSE Developed Europe Capped Index-NR [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE Developed Europe Capped Index-NR    
Average Annual Return, Percent 19.42% 8.76% 7.22%