XML 83 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2019
Feb. 21, 2020
Jun. 30, 2019
Dec. 31, 2018
Document Information [Line Items]        
Document Type 10-K      
Document Annual Report true      
Document Period End Date Dec. 31, 2019      
Document Transition Report false      
Entity File Number 001-35674      
Entity Registrant Name REALOGY HOLDINGS CORP.      
Entity Tax Identification Number 20-8050955      
Entity Incorporation, State or Country Code DE      
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 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      
Entity Shell Company false      
Entity Public Float     $ 824  
Entity Common Stock, Shares Outstanding   114,379,296    
Entity Central Index Key 0001398987      
Current Fiscal Year End Date --12-31      
Document Fiscal Year Focus 2019      
Document Fiscal Period Focus FY      
Amendment Flag false      
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01   $ 0.01
Realogy Group LLC [Member]        
Document Information [Line Items]        
Entity File Number 333-148153      
Entity Registrant Name REALOGY GROUP LLC      
Entity Tax Identification Number 20-4381990      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers Yes      
Entity Current Reporting Status Yes      
Entity Interactive Data Current Yes      
Entity Filer Category Non-accelerated Filer      
Entity Small Business false      
Entity Emerging Growth Company false      
Entity Shell Company false      
Entity Central Index Key 0001355001