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Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 21, 2025
Jun. 28, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 0-25965    
Entity Registrant Name ZIFF DAVIS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-1053457    
Entity Address, Address Line One 360 Park Avenue S    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10010    
City Area Code 212    
Local Phone Number 503-3500    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol ZD    
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    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 1,502,418,985
Entity Common Stock, Shares Outstanding   42,845,041  
Documents Incorporated by Reference
Portions of the definitive Proxy Statement to be delivered to stockholders in connection with the Annual Meeting of Stockholders to be held May 7, 2025 are incorporated by reference into Part III of this Form 10-K.
    
Entity Central Index Key 0001084048    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false