v3.26.1
Shareholder Report, Line Graph (Details) 1014037_Franklin FTSE Brazil 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. 03, 2017
Mar. 31, 2026
Franklin FTSE Brazil ETF                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   Franklin FTSE Brazil ETF (NAV)
Accumulated Value $ 10,710 $ 11,925 $ 9,344 $ 11,617 $ 9,443 $ 6,431 $ 11,028 $ 11,486 $ 10,000 $ 16,631
FTSE Brazil Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Brazil Index-NR
Accumulated Value 11,075 12,289 9,592 11,871 9,627 6,546 11,197 11,706 10,000 $ 17,235
FTSE Brazil Capped Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Brazil Capped Index-NR
Accumulated Value $ 11,136 $ 12,357 $ 9,645 $ 11,938 $ 9,682 $ 6,583 $ 11,262 $ 11,706 $ 10,000 $ 17,331