v3.26.1
Shareholder Report, Line Graph (Details) 1014035_Franklin FTSE Germany 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
Mar. 31, 2018
Nov. 02, 2017
Mar. 31, 2026
Franklin FTSE Germany ETF                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   Franklin FTSE Germany ETF (NAV)
Accumulated Value $ 13,794 $ 11,537 $ 9,965 $ 9,730 $ 11,017 $ 6,895 $ 8,307 $ 9,628 $ 10,000 $ 14,926
FTSE Germany Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Germany Index-NR
Accumulated Value 13,650 11,443 9,918 9,722 11,029 6,918 8,357 9,679 10,000 $ 14,732
FTSE Germany Capped Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Germany Capped Index-NR
Accumulated Value $ 13,650 $ 11,443 $ 9,918 $ 9,722 $ 11,029 $ 6,918 $ 8,357 $ 9,679 $ 10,000 $ 14,732