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Investments and Other Assets - Schedule of Investments Accounted for Equity Method of Accounting (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |
Share of equity income from investments | $ 158 | $ 106 | $ 313 | $ 203
Dividends received | 259 | $ 22 | 262 | $ 27
TUI Cruises |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |
Dividends received, total | $ 258 |  | $ 258 |

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