XML 114 R85.htm IDEA: XBRL DOCUMENT
v3.20.4

Income Taxes Tax Sharing Agreement (Details) | Dec. 31, 2020
--- | ---
Income Tax Disclosure [Abstract] |
Guaranty Arrangement Percentage of Obligations Assumed by Realogy | 62.50%

X
- Definition The percentage assumed by Realogy of guarantee commitments with Cendant (pursuant to the assumption of certain liabilities and the obligation to indemnify Cendant, Wyndham Worldwide and Travelport for such liabilities). These guarantee arrangements primarily relate to certain contingent litigation liabilities, contingent tax liabilities, and other corporate liabilities. + References No definition available. + Details
Name: | rlgy_GuarantyArrangementPercentageofObligationsAssumedbyRealogy
Namespace Prefix: | rlgy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration