XML 16 R1.htm IDEA: XBRL DOCUMENT v3.22.4
Cover - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2022
Feb. 14, 2023
Jun. 30, 2022
Cover [Abstract]      
Entity Central Index Key 0001159036    
Amendment Flag false    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-32335    
Entity Registrant Name HALOZYME THERAPEUTICS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 88-0488686    
Entity Address, Address Line One 12390 El Camino Real    
Entity Address, City or Town San Diego    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92130    
City Area Code 858    
Local Phone Number 794-8889    
Title of 12(b) Security Common Stock, $0.001 Par Value    
Trading Symbol HALO    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 5.1
Entity Common Stock, Shares Outstanding   135,366,862