Business Segments - Reconciliation of Adjusted EBITDA from Segments to Consolidated Income Before Income Taxes (Details) $ in Millions |
12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2025
USD ($)
segment
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Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
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| Reconciliation of Adjusted EBITDA from Segments to Consolidated Income [Line Items] | |||||||||||||||
| Number of operating segments | segment | 2 | ||||||||||||||
| Segment Adjusted EBITDA | $ 3,752 | $ 3,511 | $ 3,205 | ||||||||||||
| Corporate and other | [1] | (27) | (82) | (116) | |||||||||||
| Interest Expense, Nonoperating | 620 | 569 | 464 | ||||||||||||
| Depreciation and amortization | 177 | 146 | 147 | ||||||||||||
| Gain on sales of assets, net | 0 | 5 | 0 | ||||||||||||
| Loss on foreign currency transactions | (11) | (12) | (16) | ||||||||||||
| Loss on investments in unconsolidated affiliate | 0 | 0 | (92) | ||||||||||||
| Loss on debt guarantees | [2] | 0 | (50) | 0 | |||||||||||
| FF&E replacement reserves | 73 | 57 | 63 | ||||||||||||
| Share-based compensation expense | (170) | (176) | (169) | ||||||||||||
| Impairment losses | 0 | 0 | 38 | ||||||||||||
| Amortization of contract acquisition costs | 57 | 50 | 43 | ||||||||||||
| Cost reimbursement revenues | [3] | 7,085 | 6,428 | 5,827 | |||||||||||
| Reimbursed expenses | [3] | (7,550) | (6,985) | (6,164) | |||||||||||
| Other adjustment items | [4] | (80) | (34) | (28) | |||||||||||
| Income before income taxes | 2,072 | 1,783 | 1,692 | ||||||||||||
| Management and franchise | |||||||||||||||
| Reconciliation of Adjusted EBITDA from Segments to Consolidated Income [Line Items] | |||||||||||||||
| Segment Adjusted EBITDA | [5],[6] | 3,575 | 3,339 | 3,055 | |||||||||||
| Ownership | |||||||||||||||
| Reconciliation of Adjusted EBITDA from Segments to Consolidated Income [Line Items] | |||||||||||||||
| Segment Adjusted EBITDA | [5],[6] | 177 | 172 | 150 | |||||||||||
| Operating lease, Expense | 214 | 224 | 233 | ||||||||||||
| Other cost and expense, operating | $ 852 | $ 868 | $ 870 | ||||||||||||
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