v3.26.1
S000054583 [Member] Expense Example, No Redemption - Franklin International Low Volatility High Dividend Index ETF - Franklin International Low Volatility High Dividend Index ETF
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 41
Expense Example, No Redemption, 3 Years 129
Expense Example, No Redemption, 5 Years 225
Expense Example, No Redemption, 10 Years $ 506