Combined Statements of Cash Flows - USD ($)	2 Months Ended	3 Months Ended	6 Months Ended
	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2025
Cash Flows from Operating Activities:
Net increase (decrease) in net assets resulting from operations	$ (6,971,976)	$ 26,856,312	$ 34,043,239
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities
Purchases of ether	(36,336,503)		(59,957,569)
Sales of ether	1,022,569		24,703,198
Net realized (gain) loss on investment in ether	194,831	(4,651,711)	(2,907,325)
Net change in unrealized (appreciation) depreciation on investment in ether	6,777,145	(22,241,151)	(31,185,857)
Change in operating assets and liabilities:
Sponsor’s fee payable	0		27,624
Net cash provided by (used in) operating activities	(35,313,934)		(35,276,690)
Cash Flows from Financing Activities:
Proceeds from issuance of Shares	36,336,503		59,957,569
Payments on Shares redeemed	(1,022,569)		(24,680,879)
Net cash provided by (used in) financing activities	35,313,934		35,276,690
Cash
Net increase in cash	0		0
Cash, beginning of period	0		0
Cash, end of period	0	0	0
Franklin Ethereum ETF [Member]
Cash Flows from Operating Activities:
Net increase (decrease) in net assets resulting from operations	(6,971,976)	26,856,312	34,043,239
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities
Purchases of ether	(36,336,503)		(59,957,569)
Sales of ether	1,022,569		24,703,198
Net realized (gain) loss on investment in ether	194,831	(4,651,711)	(2,907,325)
Net change in unrealized (appreciation) depreciation on investment in ether	6,777,145	(22,241,151)	(31,185,857)
Change in operating assets and liabilities:
Sponsor’s fee payable	0		27,624
Net cash provided by (used in) operating activities	(35,313,934)		(35,276,690)
Cash Flows from Financing Activities:
Proceeds from issuance of Shares	36,336,503		59,957,569
Payments on Shares redeemed	(1,022,569)		(24,680,879)
Net cash provided by (used in) financing activities	35,313,934		35,276,690
Cash
Net increase in cash	0		0
Cash, beginning of period	0		0
Cash, end of period	$ 0	$ 0	$ 0