Document and Entity Information
May 18, 2020
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001466301
Document Type 8-K
Document Period End Date May 18, 2020
Entity Registrant Name Clovis Oncology, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-35347
Entity Tax Identification Number 90-0475355
Entity Address, Address Line One 5500 Flatiron Parkway
Entity Address, Address Line Two Suite 100
Entity Address, City or Town Boulder
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80301
City Area Code (303)
Local Phone Number 625-5000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock par Value $0.001 per Share
Trading Symbol CLVS
Security Exchange Name NASDAQ
Entity Emerging Growth Company false