v3.26.1
Cover
Aug. 19, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 19, 2026
Entity File Number 001-43411
Entity Registrant Name MORGAN STANLEY ETHEREUM TRUST
Entity Central Index Key 0002103976
Entity Tax Identification Number 38-7375884
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1585 Broadway
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10036
City Area Code (212)
Local Phone Number 761-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares of Beneficial Interest of Morgan Stanley Ethereum Trust
Trading Symbol MSSE
Security Exchange Name NYSEArca
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false