XML 25 R2.htm IDEA: XBRL DOCUMENT v3.19.3
Cover Page and DEI Document and Entity Information
9 Months Ended
Sep. 30, 2019
Document Information [Line Items]  
Entity Central Index Key 0001398987
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q3
Amendment Flag false
Entity Incorporation, State or Country Code DE
Realogy Group LLC [Member]  
Document Information [Line Items]  
Entity Central Index Key 0001355001