Combined Statement of Cash Flows	2 Months Ended
	Sep. 30, 2024 USD ($)	[1]
Cash Flows from operations resulting from capital share transactions
Net Income (Loss)	$ (6,971,976)
Adjustments to reconcile net increase (decrease) in net assets resulting from operations from capital share transactions to net cash provided by (used in) operating activities:
Purchases of ether	(36,336,503)
Sales of ether	1,022,569
Net realized (gain) loss on investment in ether	194,831
Net change in unrealized (appreciation) depreciation on investment in ether	6,777,145
Change in operating assets and liabilities:
Sponsor's fees payable
Net cash provided by (used in) operating activities	(35,313,934)
Proceeds from issuance of Shares	36,336,503
Payments on Shares redeemed	(1,022,569)
Net cash provided by (used in) financing activities	35,313,934
Cash Flows from Financing Activities:
Net increase in cash
Cash, beginning of period
Cash, end of period
Franklin Ethereum ETF [Member]
Cash Flows from operations resulting from capital share transactions
Net Income (Loss)	(6,971,976)
Adjustments to reconcile net increase (decrease) in net assets resulting from operations from capital share transactions to net cash provided by (used in) operating activities:
Purchases of ether	(36,336,503)
Sales of ether	1,022,569
Net realized (gain) loss on investment in ether	194,831
Net change in unrealized (appreciation) depreciation on investment in ether	6,777,145
Change in operating assets and liabilities:
Sponsor's fees payable
Net cash provided by (used in) operating activities	(35,313,934)
Proceeds from issuance of Shares	36,336,503
Payments on Shares redeemed	(1,022,569)
Net cash provided by (used in) financing activities	35,313,934
Cash Flows from Financing Activities:
Net increase in cash
Cash, beginning of period
Cash, end of period

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