Related Parties - Additional Information (Details) - Sponsor [Member] - Frankin Resources Inc [Member]	2 Months Ended
	Sep. 30, 2024 USD ($) shares
Related Party Transaction [Line Items]
Operating costs and expenses | $	$ 500,000
Number of shares of the fund were held by a related party | shares	151,500
Franklin Ethereum ETF [Member]
Related Party Transaction [Line Items]
Operating costs and expenses | $	$ 500,000
Number of shares of the fund were held by a related party | shares	151,500