XML 23 R1.htm IDEA: XBRL DOCUMENT v3.20.2
Cover Page - $ / shares
 6 Months Ended
Jun. 30, 2020
Aug. 03, 2020
Jul. 31, 2020
Dec. 31, 2019
Entity Information [Line Items]        
Document Type 10-Q      
Document Quarterly Report true      
Document Period End Date Jun. 30, 2020      
Document Transition Report false      
Entity File Number 001-35674      
Entity Registrant Name REALOGY HOLDINGS CORP.      
Entity Tax Identification Number 20-8050955      
Entity Address, Address Line One 175 Park Avenue      
Entity Address, City or Town Madison      
Entity Address, State or Province NJ      
Entity Address, Postal Zip Code 07940      
City Area Code 973      
Local Phone Number 407-2000      
Title of 12(b) Security Common Stock, par value $0.01 per share      
Trading Symbol RLGY      
Security Exchange Name NYSE      
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      
Entity Common Stock, Shares Outstanding   115,436,348    
Common Stock, Par or Stated Value Per Share $ 0.01   $ 0.01 $ 0.01
Realogy Group LLC [Member]        
Entity Information [Line Items]        
Entity File Number 333-148153      
Entity Registrant Name REALOGY GROUP LLC      
Entity Tax Identification Number 20-4381990      
Entity Current Reporting Status No      
Entity Interactive Data Current Yes      
Entity Filer Category Non-accelerated Filer      
Entity Small Business false      
Entity Emerging Growth Company false      
Entity Shell Company false