v3.25.2
Document and Entity Information
Aug. 14, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 14, 2025
Entity File Number 001-40493
Entity Registrant Name ATAI LIFE SCIENCES N.V.
Entity Central Index Key 0001840904
Entity Incorporation, State or Country Code P7
Entity Tax Identification Number 00-0000000
Entity Address, Address Line One Prof. J.H. Bavincklaan 7
Entity Address, City or Town AT Amstelveen
Entity Address, Country NL
Entity Address, Postal Zip Code 1183
City Area Code 31
Local Phone Number 20 793 2536
Entity Emerging Growth Company true
Entity Ex Transition Period false
Written Communications false
Soliciting Material true
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(g) Security Common shares, €0.10 par value per share
Trading Symbol ATAI
Security Exchange Name NASDAQ