v3.26.1
Shareholder Report, Line Graph (Details) 1014044_Franklin FTSE Latin America 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 Latin America ETF                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 Franklin FTSE Latin America ETF (NAV)
Accumulated Value $ 10,489 $ 12,001 $ 9,806 $ 11,024 $ 9,101 $ 6,035 $ 10,142 $ 10,000 $ 16,068
FTSE Latin America Index [Member]                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 FTSE Latin America Index
Accumulated Value 11,304 12,848 10,403 11,587 9,520 6,286 10,516 10,000 $ 17,464
FTSE Latin America Capped Index-NR [Member]                  
Account Value [Line Items]                  
Line Graph and Table Measure Name                 FTSE Latin America Capped Index-NR
Accumulated Value $ 10,966 $ 12,537 $ 10,211 $ 11,442 $ 9,440 $ 6,251 $ 10,497 $ 10,000 $ 16,832