Related Parties - Additional Information (Details)						1 Months Ended	3 Months Ended	6 Months Ended
	Jan. 24, 2025	Nov. 19, 2024	Jul. 23, 2024 USD ($) Ether shares	Jul. 16, 2024 USD ($) shares	May 31, 2024 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2025 USD ($) Right shares	Jun. 30, 2025 USD ($) Right shares	Mar. 31, 2025 shares	Dec. 31, 2024 Right shares	May 30, 2024 shares
Related Party Transaction [Line Items]
Shares outstanding | shares						10,000	56,140,788	56,140,788	48,450,788	49,970,788	0
Shares of the Trust, held by related parties | shares							2,305	2,305		2,505
Number of Incidental Right held | Right							0	0		0
Number of Incidental Rights distributed | Right							0	0
Amount distributed in redemption of shares | $						$ 0	$ 14,976,000	$ 119,392,000
Shares redeemed | shares						0	690,000	5,090,000
After Six-Month Waiver Period
Related Party Transaction [Line Items]
Sponsor's fees as a percentage of net asset value of the fund after waiver	0.15%
Sponsor
Related Party Transaction [Line Items]
Related party sponsor fee percentage								0.15%
Initial value of the trust assets on the basis of which sponsor's fees is determined | $			$ 2,000,000,000
Percentage of sponsor's fee charged on trust assets if initial value of trust assets exceeds the limit			0.15%
Sponsor's fees | $							$ 404,742	$ 727,181
Amount distributed in redemption of shares | $				$ 100,000	$ 100,000
Shares redeemed | shares				10,000
Shares purchased | shares					10,000
Price per share | $ / shares					$ 10
Sponsor | First Six Months
Related Party Transaction [Line Items]
Sponsor's fees as a percentage of net asset value of the fund after waiver			0.00%
Sponsor | Maximum
Related Party Transaction [Line Items]
Related party transaction in a fiscal year | $								600,000
Non Sponsor Paid Expenses | Minimum
Related Party Transaction [Line Items]
Related party transaction in a fiscal year | $								$ 600,000
Grayscale Ethereum Trust
Related Party Transaction [Line Items]
Pro rata distribution of shares | shares			31,015,850
Percentage of ethereum distributed			10.00%
Amount of Ether distributed by the trust | Ether			292,262.9891335
Reverse share split		1-for-10 Reverse Share Split