Defined Contribution Benefit Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Wyndham Hotels Defined Contribution Plans | |||
| Defined Contribution Plan Disclosure [Line Items] | |||
| Defined contribution plan, cost | $ 10 | $ 10 | $ 4 |
| Defined contribution benefit plan | Affiliated Entity | |||
| Defined Contribution Plan Disclosure [Line Items] | |||
| Expense for services provided by Parent | $ 2 | ||
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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