Other Expenses and Charges - Narrative (Details) $ in Millions |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2026
USD ($)
employee
|
Mar. 31, 2025
USD ($)
|
|
| Restructuring Cost and Reserve [Line Items] | ||
| Transaction-related | $ 3 | $ 1 |
| Restructuring and other-related | 5 | 0 |
| Separation-related | 1 | |
| Separation-Related Charges | $ (1) | 1 |
| Hotel Franchising Segment | 2025 Global Cost Basis and Streamlining Plan | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Number of employees impacted | employee | 202 | |
| Restructuring and Related Cost, Incurred Cost | $ 3 | |
| Failed Hostile Takeover Defense, Share-based Compensation Costs | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Transaction-related | $ 1 | |
| Employee Severance [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring and other-related | $ 5 | |
| X | ||||||||||
- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of positions eliminated during the period as a result of restructuring activities. No definition available.
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. 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 Separation-Related Charges No definition available.
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- Definition Separation-Related Income Associated With Expiration Of Tax Matter No definition available.
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- Definition Transaction Related Costs No definition available.
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