Combined Statement of Operations	2 Months Ended
	Sep. 30, 2024 USD ($) $ / shares
Expenses:
Sponsor's fee	$ 10,129	[1]
Less waiver and reimbursement	(10,129)	[1]
Net investment loss		[1]
Net realized and change in unrealized gain (loss) on investment in ether:
Net realized gain (loss) on investment in ether	(194,831)	[1]
Net change in unrealized appreciation (depreciation) on investment in ether	(6,777,145)	[1]
Net realized and change in unrealized appreciation (depreciation) on investment in ether	(6,971,976)	[1]
Net increase (decrease) in net assets resulting from operations	$ (6,971,976)	[1]
Net increase (decrease) in net assets per Share | $ / shares	$ (4.89)	[1],[2],[3]
Franklin Ethereum ETF [Member]
Expenses:
Sponsor's fee	$ 10,129	[1]
Less waiver and reimbursement	(10,129)
Net investment loss		[1]
Net realized and change in unrealized gain (loss) on investment in ether:
Net realized gain (loss) on investment in ether	(194,831)	[1]
Net change in unrealized appreciation (depreciation) on investment in ether	(6,777,145)	[1]
Net realized and change in unrealized appreciation (depreciation) on investment in ether	(6,971,976)	[1]
Net increase (decrease) in net assets resulting from operations	$ (6,971,976)	[1]
Net increase (decrease) in net assets per Share | $ / shares	$ (4.89)	[1],[2],[3]

[1] No comparative period presented as the Fund’s operations commenced on July 23, 2024.

[2] Net increase (decrease) in net assets per Share based on average shares outstanding during the period.

[3] The amount shown for a share outstanding may not agree with the change in the aggregate gains and losses on investment for the period because of the timing of transactions in the Fund’s shares in relation to fluctuating market values for the Fund’s underlying investment.