Revenue Recognition (Narrative) (Details) $ in Millions |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2019
USD ($)
hotel
|
Dec. 31, 2018
USD ($)
|
|
| Capitalized Contract Cost [Line Items] | ||
| Capitalized contract costs | $ 33 | $ 24 |
| Number of hotels from hotel ownership portfolio earning revenue | hotel | 2 | |
| Franchise agreement, revenue recognition period (within) | 12 years | |
| Co-branded credit card program, revenue recognition period (within) | 1 year | |
| Period between performance obligation satisfaction and customer payment (or less) | 1 year | |
| Other current assets | ||
| Capitalized Contract Cost [Line Items] | ||
| Capitalized contract costs | $ 8 | 8 |
| Other non-current assets | ||
| Capitalized Contract Cost [Line Items] | ||
| Capitalized contract costs | $ 25 | $ 16 |
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of Owned Hotel Properties No definition available.
|
| X | ||||||||||
- Definition Revenue, Performance Obligation, Period Between Performance Obligation Satisfaction and Customer Payment No definition available.
|
| X | ||||||||||
- Definition Revenue Recognition Period, Co-branded Credit Card Program No definition available.
|
| X | ||||||||||
- Definition Revenue Recognition Period, Franchise Agreement No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|