Combined Statement of Assets and Liabilities (Parenthetical)	2 Months Ended
	Sep. 30, 2024 USD ($) $ / shares
Investment in ether | $	$ 37,739,392
Common stock, no par value | $ / shares	$ 0
Common stock, shares authorized, unlimited	Unlimited
Franklin Ethereum ETF [Member]
Investment in ether | $	$ 37,739,392
Common stock, no par value | $ / shares	$ 0
Common stock, shares authorized, unlimited	Unlimited