The Initial Distribution from the Grayscale Ethereum Trust ETF - Additional Information (Details)		9 Months Ended
	Nov. 19, 2024	Sep. 30, 2025	Jul. 23, 2024 USD ($) Ether $ / shares shares
Related Party Transaction [Line Items]
Reverse share split		Share amounts have been retroactively adjusted to reflect the 1-for-10 Reverse Share Split of the Trust’s issued and outstanding Shares completed on November 19, 2024.
Value of Ether distributed by the trust \| $			$ 1,010,900,000
Grayscale Ethereum Trust
Related Party Transaction [Line Items]
Percentage of ethereum distributed			10.00%
Pro rata distribution of shares \| shares			31,015,850
Reverse share split	1-for-10 Reverse Share Split
Amount of Ether distributed by the trust \| Ether			292,262.9891335
Shares, issued \| shares			31,015,850
Shares issued, price per share \| $ / shares			$ 32.59
Value of Ether distributed by the trust \| $			$ 1,010,934,757

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Grayscale Ethereum Mini Trust ETF 10-Q