v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Jul. 30, 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 001-36853  
Entity Registrant Name ZILLOW GROUP, INC.  
Entity Incorporation, State or Country Code WA  
Entity Tax Identification Number 47-1645716  
Entity Address, Address Line One 1301 Second Avenue  
Entity Address, Address Line Two Floor 36  
Entity Address, City or Town Seattle  
Entity Address, State or Province WA  
Entity Address, Postal Zip Code 98101  
City Area Code 206  
Local Phone Number 470-7000  
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  
Entity Central Index Key 0001617640  
Current Fiscal Year End Date --12-31  
Class A common stock    
Entity Information [Line Items]    
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share  
Trading Symbol ZG  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   50,089,971
Class B common Stock    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,217,447
Class C capital stock    
Entity Information [Line Items]    
Title of 12(b) Security Class C Capital Stock, par value $0.0001 per share  
Trading Symbol Z  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   185,964,745