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Geographic Information (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2021 USD ($) destination	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) destination	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Summarization of operating revenues by geographic regions
Total revenue	$ 1,834	$ 1,972	$ 1,499	$ 733	$ 661	$ 492	$ 215	$ 1,588	$ 6,037	$ 2,957	$ 8,094
Caribbean & Latin America
Segment Reporting Information [Line Items]
Number of destinations | destination	33								33
Summarization of operating revenues by geographic regions
Total revenue									$ 2,150	1,067	2,461
PUERTO RICO
Segment Reporting Information [Line Items]
Number of destinations | destination	3								3
U.S Virgin Islands
Segment Reporting Information [Line Items]
Number of destinations | destination	1								1
Domestic
Summarization of operating revenues by geographic regions
Total revenue									$ 3,869	1,890	5,633
Atlantic
Summarization of operating revenues by geographic regions
Total revenue									$ 18	$ 0	$ 0

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