v3.26.1
Shareholder Report, Average Annual Return (Details) 1014027_Franklin FTSE Taiwan 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 Taiwan ETF      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Franklin FTSE Taiwan ETF (NAV)    
Average Annual Return, Percent 57.35% 12.53% 14.36%
FTSE Taiwan Index-NR [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE Taiwan Index-NR    
Average Annual Return, Percent 74.67% 16.53% 18.18%
FTSE Taiwan Capped Index-NR [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE Taiwan Capped Index-NR    
Average Annual Return, Percent 57.59% 12.77% 14.53%