v3.26.1
Shareholder Report, Line Graph (Details) 1014043_Franklin FTSE Saudi Arabia ETF_Single Class_TSR Annual {Single Class} - USD ($)
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Oct. 09, 2018
Mar. 31, 2026
Franklin FTSE Saudi Arabia ETF                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 Franklin FTSE Saudi Arabia ETF (NAV)
Accumulated Value $ 16,802 $ 17,434 $ 14,941 $ 18,010 $ 12,958 $ 8,408 $ 11,287 $ 10,000 $ 16,621
FTSE All World Index-NR [Member]                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 FTSE All World Index-NR
Accumulated Value 18,994 17,703 14,391 15,537 14,501 9,379 10,567 10,000 $ 22,800
FTSE Saudi Arabia Capped Index-NR [Member]                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 FTSE Saudi Arabia Capped Index-NR
Accumulated Value $ 17,132 $ 17,703 $ 15,110 $ 18,180 $ 13,039 $ 8,422 $ 11,271 $ 10,000 $ 17,008