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ACQUISITIONS AND DISPOSITIONS - Schedule of Identifiable Assets Acquired and Liabilities Assumed (Details) € in Millions, $ in Millions |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 11, 2025 USD ($) | Dec. 27, 2024 USD ($) | Oct. 01, 2024 USD ($) | Dec. 31, 2024 EUR (€) | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
Business Combination [Line Items] |  |  |  |  |  |
Goodwill |  |  |  |  | $ 3,448 | $ 2,541
Prior year tax liabilities relating |  | $ 50 |  |  |  |
Playa Hotels Acquisition |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Purchase consideration | $ 1,533 |  |  |  |  |
Fair value of Hyatt's previously-held ordinary shares | 164 |  |  |  |  |
Cash and cash equivalents | 195 |  |  |  |  |
Receivables | 7 |  |  |  |  |
Prepaids and other assets | 3 |  |  |  |  |
Prepaid income taxes | 1 |  |  |  |  |
Current assets held for sale | 141 |  |  |  |  |
Property and equipment | 6 |  |  |  |  |
Operating lease right-of-use assets | 6 |  |  |  |  |
Goodwill | 963 |  |  |  |  |
Deferred tax assets | 2 |  |  |  |  |
Other assets | 1 |  |  |  |  |
Long-term assets held for sale | 1,761 |  |  |  |  |
Total assets acquired | 3,086 |  |  |  |  |
Accounts payable | 34 |  |  |  |  |
Accrued expenses and other current liabilities | 112 |  |  |  |  |
Accrued compensation and benefits | 8 |  |  |  |  |
Current operating lease liabilities | 1 |  |  |  |  |
Current liabilities held for sale | 118 |  |  |  |  |
Debt | 1,075 |  |  |  |  |
Long-term operating lease liabilities | 5 |  |  |  |  |
Other long-term liabilities | 1 |  |  |  |  |
Long-term liabilities held for sale | 35 |  |  |  |  |
Total liabilities assumed | 1,389 |  |  |  |  |
Total net assets acquired attributable to Hyatt Hotels Corporation | 1,697 |  |  |  |  |
Playa Hotels Acquisition | Distribution |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Goodwill | 108 |  |  |  |  |
Playa Hotels Acquisition | Management and franchising |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Goodwill | $ 855 |  |  |  |  |
Bahia Principe |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Purchase consideration |  | 465 |  | € 419 |  |
Fair value of Hyatt's previously-held ordinary shares |  | 282 |  |  |  |
Total net assets acquired attributable to Hyatt Hotels Corporation |  | 465 |  |  |  |
Cash and cash equivalents |  | 2 |  |  |  |
Receivables |  | 15 |  |  |  |
Operating lease right-of-use assets |  | 1 |  |  |  |
Goodwill |  | 205 |  |  |  |
Indefinite-lived intangibles |  | 84 |  |  |  |
Total assets acquired |  | 973 |  |  |  |
Accounts payable |  | 15 |  |  |  |
Accrued expenses and other current liabilities |  | 1 |  |  |  |
Long-term operating lease liabilities |  | 1 |  |  |  |
Other long-term liabilities |  | 209 |  |  |  |
Total liabilities assumed |  | 226 |  |  |  |
Bahia Principe | Management and hotel services agreement intangibles |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Management and hotel services agreement intangibles |  | $ 616 |  |  |  |
Bahia Principe | Management and hotel services agreement intangibles | Minimum |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Weighted- average useful lives in years |  | 25 years |  |  |  |
Bahia Principe | Management and hotel services agreement intangibles | Maximum |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Weighted- average useful lives in years |  | 31 years |  |  |  |
Bahia Principe | Management and hotel services agreement intangibles | Weighted Average |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Weighted- average useful lives in years |  | 28 years |  |  |  |
Bahia Principe | Other intangibles |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Other assets |  | $ 50 |  |  |  |
Standard International Management, LLC |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Purchase consideration |  |  | $ 259 |  |  |
Total net assets acquired attributable to Hyatt Hotels Corporation |  |  | 259 |  |  |
Cash and cash equivalents |  |  | 3 |  |  |
Receivables |  |  | 4 |  |  |
Operating lease right-of-use assets |  |  | 6 |  |  |
Goodwill |  |  | 128 |  |  |
Indefinite-lived intangibles |  |  | 88 |  |  |
Management and hotel services agreement intangibles |  |  | 51 |  |  |
Total assets acquired |  |  | 280 |  |  |
Accounts payable |  |  | 1 |  |  |
Accrued expenses and other current liabilities |  |  | 1 |  |  |
Accrued compensation and benefits |  |  | 3 |  |  |
Current operating lease liabilities |  |  | 1 |  |  |
Long-term contract liabilities |  |  | 2 |  |  |
Long-term operating lease liabilities |  |  | 5 |  |  |
Other long-term liabilities |  |  | 8 |  |  |
Total liabilities assumed |  |  | $ 21 |  |  |
Standard International Management, LLC | Minimum |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Weighted- average useful lives in years |  |  | 5 years |  |  |
Standard International Management, LLC | Maximum |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Weighted- average useful lives in years |  |  | 24 years |  |  |
Standard International Management, LLC | Weighted Average |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Weighted- average useful lives in years |  |  | 17 years |  |  |

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