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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2023
Jan. 26, 2024
Jun. 30, 2023
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-37429    
Entity Registrant Name EXPEDIA GROUP, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-2705720    
Entity Address, Address Line One 1111 Expedia Group Way W    
Entity Address, City or Town Seattle    
Entity Address, State or Province WA    
Entity Address, Postal Zip Code 98119    
City Area Code 206    
Local Phone Number 481-7200    
Title of 12(b) Security Common stock, $0.0001 par value    
Trading Symbol EXPE    
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 Smaller Reporting Company 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     $ 15,117,457,000
Documents Incorporated by Reference
  Parts Into Which Incorporated
Portions of the registrant's definitive Proxy Statement relating to its 2024 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual report on Form 10-K where indicated.  Part III
    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001324424    
Common Stock      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   130,765,007  
Class B Common Stock      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   5,523,452