Franchising, Marketing and Reservation Activities Development Advance Note Financial Statement Location (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2020 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Disaggregation of Revenue [Line Items] | |||||||||||
| Net revenues | $ 296 | $ 337 | $ 258 | $ 410 | $ 492 | $ 560 | $ 533 | $ 468 | $ 1,300 | $ 2,053 | $ 1,868 |
| Bad debt expense related to notes | 1 | 2 | 1 | ||||||||
| Interest earned on unpaid notes | 0 | 1 | 1 | ||||||||
| Franchisees and hotel owners | |||||||||||
| Disaggregation of Revenue [Line Items] | |||||||||||
| Development advance notes | $ 92 | $ 84 | 92 | 84 | |||||||
| Forgiveness of note receivable | |||||||||||
| Disaggregation of Revenue [Line Items] | |||||||||||
| Net revenues | $ 9 | $ 8 | $ 7 | ||||||||
| 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 allowance for credit loss, of financing receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Bad Debt Expense On Development Advances No definition available.
|
| X | ||||||||||
- Definition Interest Earned On Unpaid Franchisee Development Advance Notes No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|