Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues		$ 13,900	$ 8,840	$ 1,532
Cruise itinerary
Disaggregation of Revenue [Line Items]
Total revenues		13,232	8,382	1,426
Cruise itinerary | North America
Disaggregation of Revenue [Line Items]
Total revenues	[1]	8,707	5,716	1,040
Cruise itinerary | Asia/Pacific
Disaggregation of Revenue [Line Items]
Total revenues		993	372	128
Cruise itinerary | Europe
Disaggregation of Revenue [Line Items]
Total revenues		2,685	1,754	180
Cruise itinerary | Other Regions
Disaggregation of Revenue [Line Items]
Total revenues	[2]	847	540	78
Other revenues
Disaggregation of Revenue [Line Items]
Total revenues	[3]	$ 668	$ 458	$ 106
Passenger ticket | Other Regions
Disaggregation of Revenue [Line Items]
Percentage of revenues by country	[4]	26.00%	25.00%	24.00%
Passenger ticket | United States
Disaggregation of Revenue [Line Items]
Percentage of revenues by country		74.00%	75.00%	76.00%

[1] Includes the United States, Canada, Mexico and the Caribbean.

[2] Includes seasonality impacted itineraries primarily in South and Latin American countries.

[3] Includes revenues primarily related to cancellation fees, vacation protection insurance, casino operations, pre- and post-cruise tours and fees for operating certain port facilities. Amounts also include revenues related to procurement and management related services we perform on behalf of our unconsolidated affiliates. Refer to Note 7. Investments and Other Assets for more information on our unconsolidated affiliates.

[4] No other individual country's revenue exceeded 10% for the years ended December 31, 2023, 2022 and 2021.