General (Details) destination in Thousands	Sep. 30, 2023 USD ($) ship destination brand country continent	Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of cruise brands | brand	3
Number of cruise ships | ship	64
Number of destinations (more than) | destination	1
Number of countries (over) | country	120
Number of continents | continent	7
Liquidity	$ 3,300,000,000
Cash and cash equivalents	600,117,000	$ 1,935,005,000
Revolving Credit Facility | Line of Credit
Schedule of Equity Method Investments [Line Items]
Remaining borrowing capacity	$ 2,700,000,000
TUI Cruises
Schedule of Equity Method Investments [Line Items]
Investment in a joint venture, percentage of interest	50.00%