Related Party Transactions (Narrative) (Details) - Wyndham Worldwide - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
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| Related Party Transaction [Line Items] | |||
| Outstanding borrowings from Parent | $ 197 | $ 184 | |
| Indirect General Corporate Overhead [Member] | |||
| Related Party Transaction [Line Items] | |||
| Expense for services provided by Parent | 9 | $ 9 | |
| Information technology support, financial services, human resources and other shared services | |||
| Related Party Transaction [Line Items] | |||
| Expense for services provided by Parent | 7 | 7 | |
| Insurance | |||
| Related Party Transaction [Line Items] | |||
| Expense for services provided by Parent | 1 | 1 | |
| Defined contribution benefit plan | |||
| Related Party Transaction [Line Items] | |||
| Expense for services provided by Parent | $ 2 | $ 2 | |
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- Definition Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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