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General (Details)	Sep. 30, 2025 destination ship brand country continent
Schedule of Equity Method Investments [Line Items]
Number of cruise brands | brand	3
Number of cruise ships | ship	68
Number of destinations (more than) | destination	1,000
Number of countries (over) | country	120
Number of continents | continent	7
TUI Cruises
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest	50.00%

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Number Of Countries

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Represents the number of cruise brands that operate ships.

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Number Of Cruise Ships

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Number of Destinations.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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