v3.26.1
Shareholder Report, Average Annual Return (Details) 1014029_Franklin FTSE South Korea 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 South Korea ETF      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Franklin FTSE South Korea ETF (NAV)    
Average Annual Return, Percent 111.11% 6.83% 7.31%
FTSE South Korea Index-NR [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE South Korea Index-NR    
Average Annual Return, Percent 116.73% 6.85% 7.65%
FTSE South Korea Capped Index-NR [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE South Korea Capped Index-NR    
Average Annual Return, Percent 111.39% 6.85% 7.32%