Franchising, Marketing and Reservation Activities - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Mar. 31, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
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| Disaggregation of Revenue [Line Items] | ||||||
| Royalties and franchise fee revenues | $ 382 | $ 396 | $ 1,095 | $ 1,067 | ||
| Impairment | 0 | 0 | $ 12 | 0 | 12 | |
| Non-cash development advance note | 11 | 3 | 11 | 3 | ||
| Restricted cash, non-current | 0 | 0 | $ 10 | |||
| Large Franchisee | Accounts Receivable | Customer Concentration Risk | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Receivables | 155 | 155 | ||||
| Development advance notes | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Impairment | 0 | 0 | $ 10 | 0 | 10 | |
| Deferred initial franchise fee revenues | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Royalties and franchise fee revenues | $ 4 | $ 5 | $ 15 | $ 18 | ||
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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/exampleRef
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- Definition Non Cash Development Advance Note No definition available.
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