Cover Page - shares	6 Months Ended
	Jun. 30, 2025	Jul. 25, 2025
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2025
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 Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Amendment Flag	false
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0001324424
Common stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		118,192,131
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		5,523,452