v3.26.1
Shareholder Report, Line Graph (Details) 1014039_Franklin FTSE Australia 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 Australia ETF                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   Franklin FTSE Australia ETF (NAV)
Accumulated Value $ 14,508 $ 14,842 $ 13,248 $ 14,704 $ 12,906 $ 7,515 $ 10,187 $ 9,795 $ 10,000 $ 17,702
FTSE Australia Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Australia Index-NR
Accumulated Value 14,586 14,920 13,308 14,764 12,958 7,551 10,238 9,849 10,000 $ 17,800
FTSE Australia Capped Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Australia Capped Index-NR
Accumulated Value $ 14,586 $ 14,920 $ 13,308 $ 14,764 $ 12,958 $ 7,551 $ 10,238 $ 9,849 $ 10,000 $ 17,800