v3.25.2
Cover
Sep. 30, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 30, 2025
Entity File Number 001-39071
Entity Registrant Name ADC Therapeutics SA
Entity Central Index Key 0001771910
Entity Incorporation, State or Country Code V8
Entity Address, Address Line One Biopôle
Entity Address, Address Line Two Route de la Corniche 3B
Entity Address, City or Town 1066 Epalinges
Entity Address, Country CH
Country Region +41
City Area Code 21 653
Local Phone Number 02 00
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares, par value CHF 0.08 per share
Trading Symbol ADCT
Security Exchange Name NYSE
Entity Emerging Growth Company false