v3.26.1
Shareholder Report, Line Graph (Details) 1014030_Franklin FTSE Mexico 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 Mexico ETF                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   Franklin FTSE Mexico ETF (NAV)
Accumulated Value $ 12,414 $ 16,215 $ 13,665 $ 12,294 $ 9,580 $ 6,104 $ 9,129 $ 10,063 $ 10,000 $ 18,876
FTSE Mexico Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Mexico Index-NR
Accumulated Value 12,252 16,124 13,624 12,364 9,719 6,116 9,028 9,997 10,000 $ 18,750
FTSE Mexico Capped Index-NR [Member]                    
Account Value [Line Items]                    
Line Graph and Table Measure Name                   FTSE Mexico Capped Index-NR
Accumulated Value $ 12,321 $ 16,182 $ 13,602 $ 12,229 $ 9,530 $ 6,066 $ 9,076 $ 10,002 $ 10,000 $ 18,785