Significant Accounting Policies - Narrative (Details) |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2025
USD ($)
reportingUnit
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
USD ($)
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| Subsidiary, Sale of Stock [Line Items] | |||
| Cumulative translation gain (loss) | $ 1,000,000 | $ (32,000,000) | |
| Net realized and unrealized gains (losses) on foreign currency transactions and balances | $ (35,000,000) | 29,000,000 | $ (48,000,000) |
| Number of reporting units | reportingUnit | 1 | ||
| Goodwill impairment | $ 0 | 0 | |
| Intangible asset impairment | 0 | 0 | |
| Impairment of long-lived assets | $ 0 | 0 | 0 |
| Number of days, long-term stay, minimum | 28 days | ||
| Advance notice period required for cancellation | 30 days | ||
| Advertising expense | $ 843,000,000 | $ 1,100,000,000 | $ 953,000,000 |
| Award contractual term | 10 years | ||
| Minimum | |||
| Subsidiary, Sale of Stock [Line Items] | |||
| Intangible assets, estimated useful life | 1 year | ||
| Maximum | |||
| Subsidiary, Sale of Stock [Line Items] | |||
| Intangible assets, estimated useful life | 10 years | ||
| X | ||||||||||
- Definition Advance Notice Period Required for Cancellation No definition available.
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| X | ||||||||||
- Definition Number Of Days For Stay To Be Considered Long-Term No definition available.
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| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. No definition available.
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| X | ||||||||||
- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| 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.
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| X | ||||||||||
- Definition Amount of cumulative translation gain (loss), after tax, from translating foreign currency financial statements into the reporting currency. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in cumulative translation adjustment, after tax, from translating foreign currency financial statements into the reporting currency. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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- Details
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